Table 5

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

VARIABLES

PR Adjusted** PR (95% CI)

P value


Economic Level1

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 Status2

0.09

Never

1.0

Ex-

1.1 (0.9 – 1.5)

Current

1.3 (1.0 – 1.5)

Alcoholism2

<0.001

CAGE Negative

1.0

CAGE Positive

1.3 (1.2 – 1.5)

Ragpickers3

0.01

No

1.0

Yes

1.3 (1.0 – 1.5)

Static Posture4

0.02

No

1.0

Yes

1.3 (1.1 – 1.6)

Job satisfaction4

<0.001

Yes

1.0

No

1.5 (1.3 – 1.8)

Work accidents4

<0.001

No

1.0

Yes

1.4 (1.2 – 1.7)


* 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).

** PR adjusted for all variables in the same level and the previous levels.

1First level. 2Second level. 3Third level. 4Fourth level.

da Silva et al. Environmental Health: A Global Access Science Source 2006 5:17   doi:10.1186/1476-069X-5-17

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