From: Cannabis use and depression: a longitudinal study of a national cohort of Swedish conscripts
No. exposed | No. cases | HR Crude | HR adjusted* | |
---|---|---|---|---|
BIPOLAR DISORDER/AFFECTIVE PSYCHOSIS | ||||
Never used cannabis | 39 978 | 335 | 1 | 1 |
Ever used cannabis | 5 109 | 45 | 1.1 (0.7-1.4) | 1.1 (0.7-1.7) |
>50 times | 855 | 5 | 0.8 (0.3-1.8) | 0.3 (0.1-2.2) |
UNIPOLAR DISORDER | ||||
Never used cannabis | 39 978 | 655 | 1 | 1 |
Ever used cannabis | 5 109 | 111 | 1.3 (1.1-1.6) | 1.0 (0.7-1.2) |
>50 times | 855 | 24 | 1.8 (1.2-2.7) | 0.9 (0.5-1.6) |