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Table 2 Significant differences between immigrant an non-immigrant groups in use of primary care by quality aspects and study characteristics (Multilevel logistic regression, B and standard error)*

From: Differences between immigrant and non-immigrant groups in the use of primary medical care; a systematic review

  B Se
Intercept 0.23 0.16
Quality aspects:   
   Total quality score 0.75 0.19
   Adjustment for confounders at study level -2.34 0.81
   Culturally adjusted questionnaire -1.83 0.52
Study characteristics:   
   Country US 1.67 0.60
   Publication year -0.00 0.04
   Adjustment confounders outcome level -0.00 0.41
   Sample size majority reference group 0.00 0.00
   Sample size immigrant groups -0.00 0.00
   Length of reference period of use -0.15 0.26
   Background immigrant groups a   
European 1.69 0.92
African 0.14 0.77
Asian 0.92 0.56
(South/central) American 0.23 0.60
Variance study levelb 0 0
Variance outcome level 0.92 0.09
  1. * significant differences are printed in bold (p < 0.05)
  2. a the mixed immigrant category served as the reference group
  3. b the introduction of variables at study level resulted in the disappearance of the initial variance at the study level compared to the 0 model with only a constant