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Lifetime cannabis use
| Cases, n = 280 n (%) | Controls, n = 174 n (%) | Odds ratio (95% CI) | ||
|---|---|---|---|---|
| Unadjusted | Adjusteda | |||
| Ever used | ||||
| No | 121 (43.1) | 65 (37.5) | 1.0 | |
| Yes | 159 (56.9) | 109 (62.5) | 0.8 (0.6-1.5) | |
| Age at first useb | ||||
| Under 17 years | 103 (65.3) | 57 (52.2) | 1.7 (1.0-4.7)* | 1.1 (0.8-3.4) |
| 17 years and over | 56 (34.7) | 52 (47.8) | 1.0 | |
a. Adjusted for age, gender, ethnicity, other stimulant use, level of education achieved and employment status.
b. In those who had ever used cannabis.
*P < 0.05.
