Table 4

Risk of depression by potential confounders
POTENTIAL CONFOUNDERS HR Crude Analysis HR adjusted for other potential confounders*
Prior personality disorders (any vs. none)a 2.6 (2.0-3.4) 1.8 (1.2-2.5)
IQ score (lowest vs. highest)1 2.9 (2.4-3.4) 2.2 (1.7-2.8)
Risky use of alcohol indicators (none vs. at least one)b 1.7 (1.5-2.0) 1.1 (0.9-1.4)
Smoking (>20 cigarettes/day vs. non-smokers)2 2.6 (2.0-3.3) 1.7 (1.2-2.4)
Disturbed behavior in childhood (very high vs. very low)3 3.8 (2.1-6.8) 2.7 (1.3-5.4)
Social adjustment (very low vs. very good)4 2.2 (1.3-3.6) 2.0 (1.0-3.9)
Early adulthood SEP (manual skill/unskilled vs. high/intermediate nonmanual)5 1.6 (1.3-2.0) 1.2 (1.0-1.5)
Use of other drugs (any vs. none)c 0.8 (0.3-2.3) 0.6 (0.2-2.6)
Brought up in a city (metropolitan areas vs. rural)6 0.9 (0.8-1.1) 0.8 (0.6-1.1)

* adjusted for all potential confounders and cannabis use.

a, b, c dichotomous variable.

1, 2, 3, 4, 5, 6 categorical variables, only one exposure group presented in the table.

Manrique-Garcia et al.

Manrique-Garcia et al. BMC Psychiatry 2012 12:112   doi:10.1186/1471-244X-12-112

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