- Research article
- Open Access
- Open Peer Review
Determinants of staff job satisfaction of caregivers in two nursing homes in Pennsylvania
BMC Health Services Researchvolume 6, Article number: 60 (2006)
Job satisfaction is important for nursing home staff and nursing home management, as it is associated with absenteeism, turnover, and quality of care. However, we know little about factors associated with job satisfaction and dissatisfaction for nursing home workers.
In this investigation, we use data from 251 caregivers (i.e., Registered Nurses, Licensed Practical Nurses, and Nurse Aides) to examine: job satisfaction scores of these caregivers and what characteristics of these caregivers are associated with job satisfaction. The data were collected from two nursing homes over a two and a half year period with five waves of data collection at six-month intervals. The Job Description Index was used to collect job satisfaction data.
We find that, overall nursing home caregivers are satisfied with the work and coworkers, but are less satisfied with promotional opportunities, superiors, and compensation. From exploratory factor analysis three domains represented the data, pay, management, and work. Nurse aides appear particularly sensitive to the work domain. Of significance, we also find that caregivers who perceived the quality of care to be high have higher job satisfaction on all three domains than those who do not.
These results may be important in guiding caregiver retention initiatives in nursing homes. The finding for quality may be especially important, and indicates that nursing homes that improve their quality may have a positive impact on job satisfaction of staff, and thereby reduce their turnover rates.
Job satisfaction is defined as "the favorableness or unfavorableness with which employees view their work" . Determinants of these views include the work environment and the personality of workers. In operationalizing the work environment, it is most often split into multiple factors (or domains) such as supervisors, pay, and promotion opportunities. In this investigation, we use a large sample of data from caregivers (i.e., nurse aides (NAs); Licensed Practical Nurses (LPNs); Registered Nurses (RNs)) working in nursing homes to examine: (1) their job satisfaction scores on 13 questions; and, (2) what characteristics of these caregivers are associated with job satisfaction domains.
Significance of job satisfaction
Job satisfaction is clearly important for nursing home staff. Previous studies have shown a consistent association between job satisfaction and turnover and intent to turnover [e.g., [2, 3]]. Given the chronic and large degree of staff turnover that currently exists in nursing homes understanding job satisfaction is important .
Not all dissatisfied employees leave the organization, even if they report they intend to leave. Dissatisfied employees often exhibit an unreliable work ethic, including taking unscheduled days off and tardiness. Moreover, dissatisfied employees may also show more aggression towards other workers  or residents .
Job satisfaction is also probably associated with quality of resident care [6, 7]. Although not examining a long-term care setting, one study found a positive association between patient mortality and poor staff satisfaction . Customer rated quality of care has a positive association with staff satisfaction [9, 10]. Resident satisfaction is also associated with staff satisfaction . Some recent work would also suggest that job satisfaction may be related to an organizations ability to change . Since a consistent theme in the literature for the past 20 years (or more) has been the level of poor quality provided by some nursing homes [e.g., [13, 14]] and their inability to change in a meaningful way, in this context improving staff satisfaction may be important in improving some aspects of quality.
Applicant attraction theories, which seek to explain how workers come to work in specific settings, would also suggest that factors promoting job satisfaction can be significant for attracting new employees to the organization . As the U.S. population ages we will need more caregivers, yet an inadequate number of new caregivers are entering the healthcare workforce . The General Accounting Office  gave one reason for this shortage as "decreased job satisfaction." This shortage of workers is clearly significant for the nursing home industry, and needs to be addressed if the industry is to attract adequate staff in the future to meet the expected demand.
Much of our understanding of job satisfaction comes from the business literature, and those studies set in health care facilities have predominantly examined RNs [e.g., [17, 18]]. The determinants of job satisfaction may be very different for caregivers working in nursing homes. Despite the importance of job satisfaction, studies examining the determinants of job satisfaction in nursing homes are sparse. These studies and the factors of job satisfaction they examined are shown in Table 1. Parsons and associates , for example, found four factors associated with NA job satisfaction were: personal opportunity, supervision, benefits, and coworker support . Chou et al.  found caregiver satisfaction to be related to workload, team spirit, and professional support. In another study of NAs, job satisfaction was associated with job security, potential for job growth, socialization, and challenging work . Thus, few similarities in results are evident. It is also clear from Table 1 that more than half of these prior studies have examined caregivers' job satisfaction using simple descriptive statistics.
The study is based on an analysis of data from two not-for-profit nursing homes located in Pittsburgh Pennsylvania. During the study assessment data were collected from all nursing home staff. The Job Description Index [10, 21] was used to collect job satisfaction information, and additional questions were used to collect demographic information. The first wave of assessments of staff occurred concurrently at each of the two facilities during a two-week period in June of 2002.
We surveyed those caregivers who had regular contact with residents during the course of their work over the prior 2 weeks. This information was given to the research team from payroll records. A survey with 28 questions (including demographic questions and 14 job satisfaction questions) was placed in the mail-box of each caregiver. We asked that completed surveys be returned to a locked project mail-box that was placed in each facility. This same survey methodology was then repeated a further four times at six month intervals, giving a total of five waves of data.
This survey methodology was used because it was more cost-effective than using in-person interviews. This approach is also the most common methodology used for the collection of job satisfaction data. Each caregiver was compensated $10 for their time to complete each survey. A letter was also included along with the survey describing our study, stating that completion of the survey was voluntary, and indicating that individual responses would not be shared with the nursing home management. Temporary and pool workers were excluded from the study.
Job satisfaction scale
Several job satisfaction instruments exist . These include the Job Description Index [21, 23], revised Index of Work Satisfaction , and the Measure of Job Satisfaction . The second column of Table 1 lists job satisfaction instruments used in previous studies in long-term care settings.
In this investigation, we used the Job Description Index. This instrument was used because in the organizational science literature it is generally regarded as the most frequently used job satisfaction instrument . This does not necessarily mean the Job Description Index is appropriate for use in the nursing home setting. Using an instrument designed for use in long-term care settings [e.g., [7, 19]] would be a further refinement to our study. However, at the time we began our study (i.e., 2002) no such instrument was available.
The Job Description Index was also advantageous as it consists of relatively few questions, yet addresses a wide variety of domains (five), and uses a 7-point scale. The response items on this 7-point scale varied from: strongly disagree to strongly agree. For this analysis the response items were coded as follows: 1 (strongly disagree), 2 (somewhat disagee), 3 (disagree), 4 (neither agree nor disagree), 5 (somewhat agree), 6 (agree) and 7 (strongly agree). Negative valence items were not reverse coded, rather they were allowed to load negatively in the exploratory factor analysis (EFA).
We considered use of five job satisfaction domains to be important since we know little regarding nursing home staff and job satisfaction. With five domains we will likely increase our understanding of antecedents of job satisfaction. Flood and Scott  have shown that a narrow focus on single measures are misleading, and may lead to erroneous, or incomplete, conclusions. By including five such measures our approach might better capture the overall picture of job satisfaction of caregivers (although, as we note below ultimately only three domains were included in the multivariate analyses).
We were interested in using an instrument with multiple response categories, so that we could examine the relative degree of satisfaction and dissatisfaction of staff. Examining the degree of satisfaction and dissatisfaction is not possible with commonly used dichotomous scales (e.g., those asking yes or no questions). Dichotomous scales can determine satisfaction and dissatisfaction, but not how satisfied or dissatisfied respondents are.
The five job satisfaction domains included in the Job Description Index are satisfaction with: work, compensation, promotion opportunities, superiors, and co-workers. The original instrument had 14 items; one item ("My work is challenging") was dropped from this analysis (described below). The remaining 13 individual questions contained in each domain of the Job Description Index are shown in Table 3.
In addition, the Job Description Index was previously shown to have several desirable psychometric properties, including test-retest reliability above 75 percent, internal consistency of .81, convergent validity of .70, and stability across occupational groups . This index was also recently successfully used in nursing homes .
We examine the association of age, gender, race, marital status, tenure, and part time employment with job satisfaction. Staff in nursing homes were shown to have different retention needs according to their tenure.  Based on this finding we included tenure in our model. Following a prior study we used three categories of tenure, including working in the facility less than 1 year, between 1 and 5 years, and more than 5 years . Full-time employment was associated with job overload in a previous study  and intent to leave . We define part-time employment as working less than 35 hours per week. Finally, caregiver's perceptions of the quality of care was include based on the findings of a recent prior study , and was measured with a question asking whether the caregivers would recommend the nursing home for a relative or friend.
We examined the correlations between the variables (not reported). The correlations between the independent variables were small, and based on a threshold of .8 showed no problems of collinearity . Also, values for regression tolerance statistics (not reported) showed no problems of multicollinearity.
Ceiling and basement effects were assessed for each item in the Job Description Index. This followed the work of McHorney, Ware, Lu, and Sherbourne  whereby we calculated the percent of responses with the lowest (floor) and highest (ceiling) scores. Since the Job Description Index has not been extensively used in the nursing home setting, we conducted exploratory factor analysis (EFA) to explore the extent to which the items in each domain appeared to represent the same underlying construct. Principal factors with varimax rotation was used and a factor loading criterion of .30 and uniqueness of < .90 were used to retain items.
The three factor scores were used as dependent variables in multivariate regression models. Factor scores, calculated by multiplying the item score by its factor loading, were used rather than simply summing the items for two reasons. First, the factor loadings implicitly reverse-code negative valence items. Thus, even though the work factor contains both positive and negative valance items, higher factor scores can be interpreted as indicating higher satisfaction. Since all items on the management factor were negative, this factor has a negative interpretation. Second, the resulting factor scores are uncorrelated with one another and thus represent distinct dimensions of job satisfaction. Factor scores are centered on zero and measured in standard deviation units.
Finally, we tested the assumption that the Likert-type questions produced interval rather than ordinal level measures of satisfaction by re-analyzing the data using the polychoric correlation matrix. This produced the same pattern of factor loadings as reported.
Individual caregivers were surveyed at six month intervals up to five times over a period of two and a half years. The advantage of this approach is that the data are likely representative of a longer period of time, rather than just a single point in time. Nevertheless, biases can occur in data consisting of repeat observations due to the potential correlation among the repeat observations. We therefore used generalized estimating equations (GEE) to avoid treating data from the same respondents as independent observations. All analyses were conducted with Stata Version 8.
Participation rates were similar at both facilities. About 75% of eligible staff completed surveys at each wave. There were a total of 717 surveys returned from a possible total of 953, however only 573 had complete data for all items, representing 251 unique individuals (average of 2.3 surveys per person). A descriptive profile of the caregivers with completed surveys for each wave of data collection at the two facilities is shown in Table 2.
The means and standard deviations for each of the questions in the Job Description Index are shown in Table 3 along with the results of the EFA. The overall mean ratings for each question ranged from 2.80 ("Salary and wage increases are given to those who do a good job") to 5.39 ("After a day's work, I really feel like I have accomplished something"). It should be noted that no ceiling or basement effects were identified for any item , and most mean scores were centered around the middle of the response scale. These results provide information to address our first question of what job satisfaction items are ranked highest by nursing home staff. That is, at least from the items we used, a relative picture of staff opinions of these items is shown. The third column of Table 3 has the overall rank of each item. In the EFA no reverse coding was used, however, to ease interpretation of the rankings we reverse coded the negatively worded items.
In the EFA, one item ("My work is challenging") did not load on any of the factors higher than .30 and was dropped from the subsequent analyses of factors associated with job satisfaction domains. Two items from the original promotion scale ("dead end job" and "chances for getting ahead") joined items from the co-workers scale to form a general 'work' satisfaction domain. These items use general terms that refer to broad aspects of the workplace and do not address career steps or promotion per se. The remaining promotion item joined the original management scale to form a negative valence management domain. This item was the only one to use the word 'promotion', which connotes interaction with management. The three factors were based on the scree test with factor 1 (pay) having an eigenvalue of 2.83, factor 2 (management) an eigenvalue of 1.81, factor 3 (work) an eigenvalue of 1.75, and a sharp drop off in eigenvalue to 0.345 for a possible fourth factor. These changes in domains from the original Job Description Index instrument likely represent our use of the instrument in the nursing home setting.
Regression coefficients from the GEE models examining job satisfaction are presented in Table 4. This information was used to examine our second question of what characteristics of caregivers are associated with job satisfaction. We found that males were less satisfied with work than females. Older workers were slightly more satisfied with pay (p < .001) but married caregivers were less satisfied with both pay (p = .020) and work (p = .040). NAs were less satisfied with pay than nurses (p = .090), however they were relatively more satisfied with the work (p < .001). Fulltime caregivers were less satisfied with pay than part-time workers (p < .001), but more satisfied with the work (p = .010). Caregivers who have been on the job for 1 to 5 years were generally less satisfied than those who have been there for either less than one year or more than 5 years. Finally, caregiver's perceptions of the quality of care (measured with the question that caregivers would recommend the nursing home for a relative or friend) was associated with all three job satisfaction domains (i.e., pay (p < .001), management (p < .001), and work (p < .001)).
Job satisfaction has important implications for nursing home staff, the nursing home industry, and quality of care. Nursing homes already employ more workers than steel producers and auto makers combined , yet we know little about factors associated with job satisfaction and dissatisfaction for these workers. In this research we find that, overall, caregivers are satisfied with the work and coworkers, but are less satisfied with promotional opportunities, superiors, and compensation (shown in Table 3).
Although not examining all of the same areas of job satisfaction, our results for many individual job satisfaction questions (see Table 3) are somewhat similar to those recently reported by Parsons and associates  and Will . These authors also found most satisfaction with work and least satisfaction with pay. Studies with RNs and LPNs in nursing homes have also found dissatisfaction with pay . It is not surprising that pay should be of concern. It is widely acknowledged that nursing home staff are underpaid relative to other areas of health care . Moreover, NAs are often the working poor, many consisting of women, single-family, and/or minorities . Yet, it is surprising that NAs seem to enjoy their work even more than nurses do. Given the often-reported poor quality of care in nursing homes, and difficult work undertaken by caregivers , one would assume that staff would have poor job satisfaction. Clearly, this is not the case. NAs would appear to enjoy working with residents and their coworkers. Other job satisfaction studies have highlighted the enjoyment staff receive from relationships with residents . Others have also noted that work attitudes of stayers and leavers differ, with stayers valuing relationships with residents .
We speculate that if staff have higher job satisfaction ratings from forming relationships with residents, then facility management could promote such relationships. This could include permanent assignment to residents and teams (often called care pairs), but also more social activities. This may also benefit residents, for as Eaton  describes a "typical resident spends at least ninety-one of 112 waking hours a week doing nothing whatsoever." However, given the often chronic understaffing found in many nursing homes, encouraging caregivers to become involved in more social activities with residents will likely be difficult. It may also be difficult to make the case that this type of work is productive .
Also, it may be instructive to examine satisfaction with work over time. On the one hand, as more residents in nursing homes are admitted with terminal illness or severe dementia, then the time for staff to build relationships with residents and the ability of residents to form such relationships will likely decrease. If this influences work satisfaction, we may see even fewer staff willing to work in nursing homes. To the extent that the work in nursing homes was described as "emotional labour" , this may increase when residents are unresponsive. On the other hand, family members will likely remain to build relationships with caregivers.
Using the three job satisfaction domains (i.e., pay, management, and work), one robust finding is that we see workers with a tenure of more than one year are less likely to be satisfied with the pay. Katz  developed a model of employee turnover whereby he identified that workers perceptions of the work environment varied according to their tenure. He used three stages of perceptions of the work environment, socialization, innovation, and adaptation. In this study, we clearly see that satisfaction with pay declines after one year of employment.
The results from the three job satisfaction domains (see Table 4), also show that staff who perceived the quality of care to be high (agree with the statement that they would recommend the nursing home for a relative or friend) have higher job satisfaction than those who do not. Poor levels of satisfaction are linked to high rates of turnover [2, 3]. The typical managerial response to high endemic rates of turnover among caregivers is to modify the conditions of employment (e.g., pay, promotion, communication). However, if satisfaction can be modified as a result of efforts to improve the quality of care, those efforts may also have the beneficial 'win-win' effect of reducing turnover.
This finding for quality is important. We could not find any other studies in the literature that have examined this relationship. This finding, if it holds up in further research, suggests that quality improvement projects may have an impact on caregiver morale. However, the opposite may also be true: unhappy staff may provide poor quality of care, thus placing residents at risk and also increasing the likelihood of turnover.
One further observation from our results using the three job satisfaction domains is that there is variability in the association between some caregiver characteristics and job satisfaction domains. For example, fulltime workers are less satisfied with pay but more satisfied with work than part time workers. Also, NAs are more satisfied with work, however they are less satisfied with pay than are nurses (although this finding did not reach statistical significance at conventional levels). By contrast, the association with tenure and perceived quality are consistent across domains. Researchers and others who focus on staff satisfaction need to be alert to important differences between subgroups of workers.
Clearly, we need to be careful in interpreting our findings. Although our sample size of caregivers was relatively large, this information only came from two facilities. This limits somewhat the generalizability of our findings.
In summary, we find that overall nursing home caregivers are satisfied with the work and coworkers, but are less satisfied with promotional opportunities, superiors, and compensation. NAs appear particularly sensitive to pay, whereas other staff appear more sensitive to work. Of significance, we also find that caregivers who perceived the quality of care to be high have higher job satisfaction than those who do not.
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The pre-publication history for this paper can be accessed here:http://www.biomedcentral.com/1472-6963/6/60/prepub
This work was supported in part by funding from AHRQ RO1HS11976, Jules Rosen M.D. PI.
All authors were part of a team of researchers under a grant from AHRQ. This manuscript reflects the opinions of the authors and not necessarily those of the funding agency.
Nicholas G. Castle, wrote the manuscript and participated in the analyses.
Howard Degenholtz, was responsible for conducting most of the analyses. He also provided text for the methods section.
Jules Rosen, edited the manuscript.