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Table 7 Multivariate logistic regression analysis to predict poor SRH and less-than-median SF-12 scores

From: Use of different subjective health indicators to assess health inequalities in an urban immigrant population in north-western Italy: a cross-sectional study

Variable Level Poor SRH outcome PCS-12 < 51.6 outcomeb MCS-12 < 47.3 outcomeb
OR (95% CI)a p-value OR (95% CI)c p-value OR (95% CI)c p-value
Sex Male 1.00 (ref) 0.010 -   -  
Female 2.22 (1.21-4.09)
Age-class on survey, years 18-24 1.00 (ref) 0.053 -   -  
25-34 0.76 (0.32-1.78)
35-44 0.64 (0.24-1.67)
45-54 1.25 (0.49-3.20)
55+ 2.47 (0.93-6.53)
Reason for migration Study -   1.00 (ref) <0.001 1.00 (ref) 0.014
Work 2.64 (1.65-4.21)* 0.68 (0.44-1.04)
Family 1.28 (0.72-2.26) 0.44 (0.26-0.76)*
Religious 4.16 (1.50-11.57)* 0.36 (0.14-0.97)*
HDI quartile of birth country Low 1.00 (ref) 0.004 -   -  
Medium 0.24 (0.10-0.58)*
High 0.44 (0.22-0.90)*
Very high 0.09 (0.01-0.72)*
BMI, kg/m2 < 25 1.00 (ref) 0.005 1.00 (ref) 0.045 -  
≥ 25 2.20 (1.27-3.82) 1.52 (1.01-2.28)   
Medical conditions None 1.00 (ref) <0.001 1.00 (ref) <0.001 -  
  At least 1 3.95 (2.22-7.04)   3.45 (2.26-5.26)    
  1. *: Significant comparisons for factors with more than two classes; a: OR is considered as an increase (>1) or decrease (<1) in probability of being in poor health in each category, as compared with reference category (ref); b: PCS-12 and MCS-12 are expressed in a binary manner as < median and ≥ median value; c: OR is considered as an increase (>1) or decrease (<1) in probability of having a less-than-median value of SF-12 composite score in each category, as compared with reference category (ref).