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Table 5 Poisson regression models estimating prevalence ratios and 95% confidence intervals for minor psychiatric diseases, by socio-demographic, behavioral, and work characteristics*.

From: Minor psychiatric disorders among Brazilian ragpickers: a cross-sectional study

VARIABLES PR Adjusted** PR (95% CI) P value
Economic Level 1   0.008
Level B 1.0  
Level C 1.2 (0.5 – 2.5)  
Level D 1.5 (0.7 – 3.1)  
Level E 1.6 (0.8 – 3.4)  
Smoking Status 2   0.09
Never 1.0  
Ex- 1.1 (0.9 – 1.5)  
Current 1.3 (1.0 – 1.5)  
Alcoholism 2   <0.001
CAGE Negative 1.0  
CAGE Positive 1.3 (1.2 – 1.5)  
Ragpickers 3   0.01
No 1.0  
Yes 1.3 (1.0 – 1.5)  
Static Posture 4   0.02
No 1.0  
Yes 1.3 (1.1 – 1.6)  
Job satisfaction 4   <0.001
Yes 1.0  
No 1.5 (1.3 – 1.8)  
Work accidents 4   <0.001
No 1.0  
Yes 1.4 (1.2 – 1.7)  
  1. * Only those variables shown to have univariate association with MPD are shown (gender, age and schooling were associated with MPD but because they were matching variables, they could not confound other associations, and so they are not shown here).
  2. ** PR adjusted for all variables in the same level and the previous levels.
  3. 1First level. 2Second level. 3Third level. 4Fourth level.