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A metasynthesis of qualitative studies regarding opinions and perceptions about barriers and determinants of health services’ accessibility in economic migrants
© Agudelo-Suárez et al.; licensee BioMed Central Ltd. 2012
Received: 8 June 2012
Accepted: 23 November 2012
Published: 17 December 2012
Access to health services is an important health determinant. New research in health equity is required, especially amongst economic migrants from developing countries. Studies conducted on the use of health services by migrant populations highlight existing gaps in understanding which factors affect access to these services from a qualitative perspective. We aim to describe the views of the migrants regarding barriers and determinants of access to health services in the international literature (1997–2011).
A systematic review was conducted for Qualitative research papers (English/Spanish) published in 13 electronic databases. A selection of articles that accomplished the inclusion criteria and a quality evaluation of the studies were carried out. The findings of the selected studies were synthesised by means of metasynthesis using different analysis categories according to Andersen’s conceptual framework of access and use of health services and by incorporating other emergent categories.
We located 3,025 titles, 36 studies achieved the inclusion criteria. After quality evaluation, 28 articles were definitively synthesised. 12 studies (46.2%) were carried out in the U.S and 11 studies (42.3%) dealt with primary care services. The participating population varied depending mainly on type of host country. Barriers were described, such as the lack of communication between health services providers and migrants, due to idiomatic difficulties and cultural differences. Other barriers were linked to the economic system, the health service characteristics and the legislation in each country. This situation has consequences for the lack of health control by migrants and their social vulnerability.
Economic migrants faced individual and structural barriers to the health services in host countries, especially those with undocumented situation and those experimented idiomatic difficulties. Strategies to improve the structures of health systems and social policies are needed.
Health has been recognised as a fundamental human right, regardless of sex, political affiliation, social class or ethnicity, as well as the right to minimum conditions of wellbeing, including the provision of medical care and public services for all people . International organisations as United Nations highlight how important it is to ensure these rights, and call for such inequalities to be addressed by identifying their determinants . Reforms in the political and social systems of many countries have also had an impact both on how health systems are organised and on health service user profiles and access .
Access to health services is considered a determinant of health inequalities . In terms of the provision of such services, Tudor-Hart’s inverse care law  identified that population groups with the highest health needs -the most deprived and vulnerable groups in society- tended to receive the least health care provision, whilst those with the least health need -the most affluent and advantaged societal groups- received the most health care. In relation to access to, and use of, health services, conceptual frameworks have been developed, such as that of Andersen [6–8], which stress that access to health services should be analysed from the perspective of health policy objectives, the characteristics of the health system, and the results obtained: input (factors affecting service use) and output (health status and health behaviours). Tanahashi in 1978  proposed a schematic model of health service coverage and utilization, and outline several aspects related to the utilization of health services in terms of the interaction between specific aspects of service provision (service capacity) and the characteristics of the target population (service target).
It is well known that poor health is disproportionately experienced by those on the margins of society and living in disadvantaged socio-economic condition and migrants are represented amongst these groups . Although international migrations are highly heterogeneous, they occur mainly for economic reasons . Economic migrants are defined as people of working age (16–65 years), born outside the country in which they are employed or are residing -either permanently or for an extended period of time. They come from developing countries (Latin-America, Eastern Europe, Africa and Asia) . Research has emphasized that before arrival, migrant populations are characterised by a good state of health but this is often eroded by the migratory process itself and by the living and working conditions experienced in the host country .
Studies have been conducted on the use of health services by migrant populations and ethnic minority groups and highlight existing gaps in understanding which factors affect access to these services, by focusing upon structural and individual factors [14–16]. Such studies have sought to formulate propositions that will help to improve communication between service provider and user, thereby enabling the development of effective social and health policies. Of increasing importance is the use of qualitative research in public health studies, in order to capture the subjective experience and individuals’ perceptions of their own health, in order to understand how determinants influence the relationship between migrants and health, and to identify causes for existing inequalities between migrant and non-migrant groups . Accordingly, the present review and analysis of the scientific literature has included methodologies to evaluate qualitative studies and draw together the findings, through metasynthesis . As such, this systematic review seeks to describe economic migrants’ views of barriers and determinants to health services’ accessibility by identifying, evaluating and synthesising qualitative research that relates to the experience of access to health services by economic migrant populations within the period 1997–2011.
An international systematic review was carried out of to identify all qualitative studies whose primary focus was to illuminate the barriers and determinants of health services accessibility amongst economic migrants. The search covered the time period January 1997 to November 2011. In the choice of this period were taken into account factors: 1) some countries since the nineteenth century had greatest migratory tradition, like the U.S., Canada, New Zealand or Argentina (which are called classic immigration countries). However, in the territory the influx of European immigrants is much later . For example, between 1998 and 2007, the migrant worker population in European OECD (Organisation for Economic Co-operation and Development) countries increased significantly, from 3.5 to almost 6 million workers [20, 21]; 2) it is important to consider population movement linked to the massive social upheavals and significant world economic conditions and migration created by world events beginning in 1997, such as European, Eastern Block changes, the opening up of China’s boundaries and changes to migration policies in a number of developed countries ; 3) after an initial search in databases, a list of potential papers for the systematic review were found in the decade of 90’s. For that means, the research team decided to establish the point cut for beginning the systematic search in 1997 based on current scientific criteria.
Inclusion and exclusion criteria
The review sought to identify all qualitative research studies related to health services accessibility by economic migrants (based upon phenomenology, ethnography, grounded theory, ethnomethodology, phenomenography and critical, interpretative or feminist analyses). These had to be focused on at least one of three aspects: barriers, conditioning and facilitator factors, and the impact of health services as a determinant of migrants’ health. The review considered studies that included economic migrants. We excluded studies with populations of migrants coming from developed countries, tourists, students and relatives of those economic migrants who constitute a separate category (family class/reunification) with different health statuses and behaviours.
Search strategy and data extraction
Summary of the search strategy used for the systematic review
Type of literature
· The Excerpta Medica Database –EMBASE-,
· The Cumulative Index to Nursing and Allied Health –CINAHL-,
· Sociological Abstracts,
· ISI Web of Knowledge -Web of Science, Current Contents and ISI Proceedings- and
· Applied Social Sciences Index and Abstracts –ASSIA
· The Centre for Health Care Strategies,
· The International Centre for Migration and Health,
· The UC atlas of Global inequality and
· Google Scholar.
· Free terms: Delivery of health care, Health care, Public health, Healthcare disparities, Health Services Accessibility, Immigrant, Migrant (Demographic, Economic, Socioeconomic, Cultural boundaries).
· MeSH terms (U.S National Library of Medicine 2011): Immigrant and [delivery of health care; health care -public health-; healthcare disparities; Health services accessibility].
· For the other databases, the strategy was adapted accordingly to the specific thesaurus and free terms.
Critical appraisal and studies’ analysis
Critical appraisal checklist for qualitative research
For each statement is evaluated (Yes-No-Unclear)
1. Is there congruity between the stated philosophical perspective and the research methodology?
2. Is there congruity between the research methodology and the research question or objectives?
3. Is there congruity between the research methodology and the methods used to collect data?
4. Is there congruity between the research methodology and the representation and analysis of data?
5. Is there congruity between the research methodology and the interpretation of results?
6. Is there a statement locating the researcher culturally or theoretically?
7. Is the influence of the researcher on the research, and vice- versa, addressed?
8. Are participants, and their voices, adequately represented?
9. Is the research ethical according to current criteria or, for recent studies, and is there evidence of ethical approval by an appropriate body?
10. Do the conclusions drawn in the research report flow from the analysis, or interpretation, of the data?
11. Overall appraisal: Include___ Exclude___ Seek further info.___ Comments (Including reasons for exclusion)
The review followed the principles of meta-synthesis [67–70]. This process involved the aggregation of findings and categories to generate a set of synthesised statements that represented aggregation through categorisation of findings related in meaning. Initially, manual analysis was performed to identify categories related with accessibility to health services through several readings of the papers. Subsequently, data were entered into the JBI QARI software, which is designed to manage the synthesis of textual data as part of a systematic review of evidence . Several triangulation strategies were employed to improve the quality of the data and conclusions; by source (the different migrant collectives studied and different health systems/welfare systems), different methodologies in the papers analysed, different conceptual frameworks and discussion by the research team. We identified from the papers the following information: First author (year), setting, data collection, participants, data analysis, services referred in the study, barriers to and determinants of access to health services for the migrant population, inputs and outputs in the access to health services and facilitative conditions and strategies for overcoming barriers. The extracted information of the studies are presented in different analysis categories following the Andersen’s conceptual framework of access to, and use of, health services, the categories related with other studies conducted in migrants and new categories emerging from the different discourses extracted from the papers. All the advances of the process of this systematic review were discussed in academic meetings for the research team in other to guarantee the quality of the information and this paper has been elaborated considering the PRISMA guidelines for reporting systematic reviews .
Characteristics of the studies included in the review
First author (year)
Services referred in the study
Boyer LE (2001) 
Interviews in participant’s homes
20 Hispanic women 18/65 years of age
Content analysis/Analysis for themes, patterns and categories
Primary health care
Buki LP (2004) 
Focus groups (5 FG)
Latina women (n = 58) from Mexico (n = 13), Puerto Rico (n = 10), Cuba (n = 12), El Salvador (n = 12) and South America (n = 11).
Grounded theory/Analysis for themes, patterns and categories
Primary health care
Pinzon-Perez H (2005) 
Migrant Latina women (n = 51)
Primary health care
Goodman MJ (2006) 
Focus group (9 FG)
Latino patients (n = 70)
Primary health care
Gany FM (2006) 
Focus groups (13 FG)
Caribbean (2FG), Cantonese/Chinese (2FG), Mandarin/Chinese (1FG), Haitian community (2FG), Korean Community (2FG), Latino community (4FG). Total 108 (44 M, 64 F)
Inductive analysis techniques: Analysis for themes, patterns and categories.
Primary health care
Natale-Pereira A (2008)
Focus groups (5 FG)
Latino staff members from 5 community based organizations in New Jersey (8 M, 28 F)
Primary health care
Simpson JL (2008) 
In depth interviews (n = 7)
Muslim Arabic Women (n = 7)
Primary health care
Wu MC (2009)
Focus Groups (4FG)
Korean Migrants (Community Women n = 15)
Mental Health Services
Cristancho S (2004) 
Focus groups: "focused small groups discussions" (n = 19)
Hispanic migrants 181 from Mexico, Guatemala, El Salvador, Colombia, Cuba and Puerto Rico
Analysis for themes, patterns and categories
Garces I (2006) 
Focus group (8 FG, n = 54)
Migrant Latina women (n = 54)
Identification of categories in Theoretical model (PEN-3)
McGuire S (2006) 
In depth semi structured interviews (n = 22)
Indigenous Oaxacan women (n = 22)
Dimensional coding/Theoretical and operational memos/Explanatory matrix.
Harari N (2008) 
Semi-structured interviews (n = 50)
Latino migrant (32 F, 18 M)
Content analysis/Analysis for themes and categories
Characteristics of the studies included in the review
First author (year)
Services referred in the study
Leite da Silva A (2004) 
Participant observation, in depth individual interviews (n = 33), focus group (8 FG)
Brazilian migrant women (n = 33)
Open, selective and axial coding (by using a computer program for the analysis of qualitative data QSR Nvivo)
Primary health care, public and private
Blignaut I (2008) 
In depth interviews (n = 33)
Community members (9 F, 4 M), Chinese mental health patients (8 F, 1 M)
Utilization of codes into categories and subcategories Nvivo.
Mental Health Services
Johnson JL (2004) 
Open-ended interviews (n = 50). Focus group (6 FG- 30 participants).
South Asian India, Pakistan, Bangladesh, Fiji and East Africa Women (n = 80) from different religions Sikh, Hindu, Muslim, Christian.
Ethnographic techniques/Analysis for themes, patterns and categories
Whitley R (2006) 
In depth interviews (n = 15)
West Indian migrants (11 F, 4 M)
Mental Health Services
Wang L (2008) 
Focus groups (2 FG), field observations
Chinese migrants (n = 15)
Primary health care
Asanin J (2008) 
Focus groups (14 FG)
Migrants from Pakistan, India, China, Romanian others 53
Dean JA (2010) 
In depth interviews (n = 23)
Migrants from Africa, Asia, Eastern Europe, Latin America/Carribbean, Europe
Poureslami I (2011) 
Latino, Chinese, Iranian and Punjabi communities
Primary health care
Remennick L (1998) 
Elnekave E (2004) 
Qualitative phase: Participant Observation, long and short/semi-structured interviews (80 F), focus group
Arab Israeli women
Analysis for themes, patterns and categories
Shtarkshal RA (2009) 
Ethiopian Migrants (14)
Analysis through socio-ecological model
Suurmond J (2011) 
Semi-structured individual and group interviews with 22 participants
7 non-Dutch origins (Chile, China, Turkey, Dominic Republic, Portugal, Italia, Surinam
Deductive analysis from a framework method
Primary and specialized
Zhang W (2008) 
Face to face interviews (n = 21)
Chinese migrants (11 F, 10 M)
Analysis for themes, patterns and categories
Dental health services Primary health care
Ramos M. (2001) 
Focus groups (3 FG), Nominal groups (NG = 3), Partially structured interviews (n = 14)
Analysis for themes, patterns and categories
Primary health care
Terrasa-Nuñez R (2010) 
Semi-structured interviews (n = 18)
Ecuadorian migrants (8 F, 10 M)
The results and implications from the different studies are deeply presented below.
Barriers to and determinants of access to health services for the migrant population
First of all, the studies identify barriers based on factors operating at three different levels: firstly, the structural/political level (i.e. cultural, policy and resource considerations that determine the scale and configuration of services); secondly, the institutional factors (i.e. factors relating to service organisation and delivery) and the individual factors (i.e. the characteristics of migrants themselves and service providers, including socio-demographic characteristics, knowledge, communication skills and motivation).
In terms of the structural/political level, studies identified a range of obstacles, including the lack of coverage in health and social security programme, health insurance, or in some cases being unable to access private insurance due to a lack of resources and health service costs [40, 44, 46, 48, 49, 52, 57, 64].
Also, elements were identified relating to the impact of social and economic policies on the privatisation of health services ; the lack of clarity in immigration legislation that hinders health care is also considered important .
Finally, the documented status (legal or illegal) of migrants in the host country affects their use of health services, restricts service availability and system coverage and insurance, and access to private health insurance [45, 48, 50, 55, 56, 66].
With respect to the organisational factors, the characteristics of health care services, in terms of availability of human resources , interpreters and cultural mediators [47, 48, 62], opening hours and availability of medical and dental services , the lack of information about different programmes and services [51, 63, 66], and the perceived quality of the services provided [42, 54] were all determinants of use health services amongst migrants taking part in the various studies analysed. In addition, geographical barriers and transport difficulties due to the location of health services with regard to their places of residence and work were also identified [47, 48, 57, 64, 66].
Individual factors constituted the third main type of obstacle that acted to exclude migrants from health services. Thus, a lack of social support networks left participants in a vulnerable and isolated situation in their communities and in the host country, with consequent impact upon health service use [51, 52]. Elsewhere, studies reported barriers resulting from cultural aspects to do with belonging to a particular ethnic group [40, 41, 54, 56, 57, 59, 62], or for having a particular nationality or country of origin, religion  or sex . In some cases, participants expressed feelings of inferiority in the health system of the host country or of not feeling welcome .
Further, many of the studies also identified language barriers [42, 45, 48–53, 56, 57, 61, 64] that hinder communication between service provider and patient, which led to feelings of insecurity among migrants .
Finally, discrimination in the health services from being an migrant, or for one’s sexual condition , by institutions themselves and resulting from health care workers’ attitudes [42, 48, 52–55, 60, 62–64], are a determinant that influences health practices and the utilisation of health services, and lead to feelings of mistrust by migrants towards organisations and health professionals [40, 52].
Inputs and outputs in the access to health services
Inputs in access to health services refer to the information and characteristics that have an influence, as external determinants, on the barriers experienced by migrants. The qualitative studies identified elements such as prior attitudes and opinions regarding health services [41, 57], beliefs, knowledge, values and attitudes about health [44, 45, 57, 58, 63, 64], and the priority of health over other aspects relating to social and living conditions, or over legalising their current situation [40, 45, 50, 65]. The degree of knowledge about the health system in the host country is also an influence [46, 47, 53, 63, 64, 66].
Outputs refer to the implications of the determinants and barriers to migrants accessing health services, which affect their negative perception or lack of control over their health [49, 52] and their feelings of social vulnerability . The migrant population uses “alternative support ways” when they do not receive care from the health services. These support ways include using traditional Eastern medicine [55, 56] home-made remedies [45, 49] and self-medication  as well as obtaining health care in their countries of origin . In this last aspect, migrants make a comparison between health systems, establishing that the treatment they receive from health professionals is better in their country of origin, and that the costs and the technology are higher in the host country [48, 52, 58, 64].
Some facilitative conditions and strategies “to overcome barriers” were found in the studies analysed. For example, recommendations are made by the participants in the studies, who recognise the role that support institutions and social networks play [47, 51, 66] in improving certain social and health conditions, as well as the contribution made by community organisations and health teams, which work in different neighbourhoods delivering education and health-promotion campaigns [45, 47]. They also recognise family support as fundamental for making decisions and receiving health care [49, 62]. Where language difficulties exist, relatives act as translators [51, 62]. Preferences were also identified for professionals that speak the same language as the migrants . Other recommendations for the health systems and health services are regarding strategies involving flexible payment for services provided . Some studies identify positive aspects in health plans and services -such as for the obstetric population-  and the technical quality of health professionals [49, 54]. One study revealed that migrants improved their health situation because of improvement of living standards in comparison to the origin country .
With the results of this review it was possible to consider the obstacles that economic migrants face when accessing health services, by using the participants’ discourse to define a typology of barriers that encompass structural/political, organisational and individual factors [6–8]. Thus, macro-level social and economic policies, including immigration policies and the privatisation of health services, influenced the availability and configuration of health services for migrants . Also, the organisation and delivery of health services at a local level, including service opening hours, the geographical siting of services and the availability of translators influenced health service use amongst migrants . In addition, a range of individual factors, residing in the migrants themselves (e.g. socio-demographic characteristics, knowledge and motivation) and in the service providers (e.g. staff attitudes) informed health service use amongst migrants .
The studies included were carried out in seven countries (Australia, Canada, USA, Israel, New Zealand, Netherlands and Spain), the first four of which have a longstanding tradition of immigration dating back to the 1980s and the phenomenon is much more recent in New Zealand and Spain [73–76]. This is significant because access barriers must be analysed within the context of the host countries and their reforms concerning to health systems.
According to the overall performance report by the World Health Organization (2000) that compare the health system of the countries , Spain was in 7th place in health system performance, Netherlands was 17th, Israel 28th, Canada 30th, Australia 32nd, USA 37th and New Zealand 41st. This includes factors such as general level of health, response capacity and how financial contributions are spread. For economic migrants, inequalities in access to health services would be explained not only by their socioeconomic level  but also by factors relating to the countries’ overall policies and strategies .
Many of the studies were carried out in the USA, where the health system is run by various private entities, and operates different health programmes that vary by State. In this regard, the US literature reports that 15% of the population have no insurance  and structural barriers exist that lead to inequalities in care among vulnerable collectives, such as the lack of a regular health care resource, a lack of funding, and geographic barriers [14, 16, 80].
The Canadian health system, meanwhile, is universal and is both publicly and privately financed . However, access barriers exist due to the length of time one must spend as a resident in the country in order to access health care services, the complexity of the system  and the high cost of private insurance services , and the reduction of economic benefits . Australia has a universal public insurance system, but the studies show difficulties in terms of access to programmes and services for the undocumented (illegal) population , and barriers relating to service cost . New Zealand has a mixed system, with public insurance funded through taxation, which does not cover some services, such as dental care -only for children and under 18 s- ; some migrants access private services to request a quicker and more timely service in comparison with public services, and for some medical and dental procedures and treatment, with the inconvenience of high costs . In Israel, the insurance system is universal and works with various government institutions [87–89], and the impact of insurance policies (National Health Insurance Law) on minority groups in Israeli society, such as Arabs , Ethiopians  and Russians , has been discussed. Healthcare in the Netherlands is financed by a dual system and several reforms have been carried out . Lastly, in case of Spain, the insurance system is universal and the guarantee of health care in similar conditions to the autochthonous people, nevertheless could exist administrative bureaucratic difficulties affecting the use of health services for instance a lack of knowledge of the Spanish system organization and the different requirements for accessing [90, 91].
In general terms, the barriers experienced by the migrant population described in the various studies are in relation to the insurance system of the host country, with differences depending on each country’s context. In addition, it is important to take in account the models of social welfare and the capacity of the states to provide welfare services and benefits in social security, health care, housing, education and social services for all people and in case of the present review, for the migrants [92, 93].
The barriers expressed by the participants with regard to language difficulties and belonging to different ethnic groups related to the migrants’ values system and beliefs within a particular culture , as well as the culturalisation processes of groups in the host societies, which hinder proper integration and thus affect how health services are used . In some cases, this means feeling discriminated against by different institutions , feeling unaccepted and misunderstood or perceiving a certain attitude towards them by health professionals . Legal status is also a factor contributing to greater vulnerability, due to a precarious social and employment situation, despite the fact that, in some contexts, health care is universal [96, 97]. This suggests that health services should adapt to the social and economic context, offering medical attention according to individuals’ particular needs and cultural aspects.
Barriers to accessing health services have implications in both the subjective perception of a poor state of health  and in the use of alternative health systems to resolve a health need. This situation depends on cultural aspects and on social inequalities between groups, leading to increased social vulnerability .
One of the strengths of this review (despite the fact that it deals with heterogeneous studies from different countries) is that this is the first time that findings describing determinants and barriers affecting access to health services have been synthesised in this way, analysing the discourses and perceptions of those directly involved in the process. There is increasing interest in qualitative research in the field of public health . Awareness among the international scientific community should therefore be raised with regard to the importance of recognising participants’ discourse as a research objective. There is still certain timidity in qualitative studies, given that they mention sample size and the impossibility of generalising results as limiting factors. Qualitative research does not aim to be statistically representative, but rather as an approach that has proved to be useful in filling “gaps” that are not resolved by quantitative research, in particular examining issues such as understanding and motivation.
This systematic review has limitations that should be highlighted. Although studies were selected by an exhaustive search of scientific and grey literature databases, there may be unpublished reports. The systematic search and the initial process of extracted data was in charge of the review leader, however, the process was supervised for a second reviewer in order to evaluate the accordance of the selected articles for further analysis. We have used an instrument to evaluate the quality of qualitative research, and although this has proven to be effective in other studies, it is important to recognise that evaluating the literature of qualitative studies depends on the subjective evaluation of the researchers, although throughout the process the consensus and agreement among the research group was guaranteed. More information is needed on inequalities access to health care, considering aspects such as gender and social class and further research is needed into strategies that help migrants to minimise the negative effects of access barriers. It seems important to research the impact of health reforms on vulnerable collectives.
Furthermore, it is important to recognise the difficulty in selecting studies dealing with economic migrant populations. This metasynthesis focuses on populations that are migrants for economic and work-related reasons, and the literature is based mainly on belonging to a minority ethnic group in the destination country being a proxy of migrant status, and although they are similar, they are not equivalent [100, 101] given that, in the current context, the second or third generations of migrants tend to acquire nationality of the destination country. There are also migrants for political or social reasons, who may have differing characteristics to the economic-type.
The results of the studies analysed are circumscribed by a number of factors including, study design, the characteristics of the populations interviewed and the data-gathering techniques used. These include heterogeneous and variable data analysed with regard to the populations chosen ; limiting findings to a particular geographic, social and political context [40, 50, 57]; difficulty in generalising results by the sample used in the studies -not random-, and by participant selection [41–46, 48, 49, 51, 53, 55, 56, 62, 64]; and by the characteristics of the qualitative techniques -interview and focus group, among others- ; cultural background and language difficulties of participants, which can hinder field work [42, 46].
Dealing with social inequalities in the migrant population requires greater knowledge of the social determinants and the relationships that occur within social inequalities, in order to provide health-equality strategies in plans and policies, in terms of health as a universal right , a better handling of health care resources, strengthening public and universal health care systems and improving living conditions for vulnerable collectives.
This project has received funding from the following sources: Carolina Foundation (Spain), Mario Benedetti Foundation of the University of Alicante, Regional Ministry of Education (Generalitat Valenciana) (BEST/2009/003). Healthcare Research Fund of the Spanish Ministry of Health and Social Policy (PI 0790470).
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