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Association of smoking with intake of other drugs
| Smoker | Non smoker | Total | |
|---|---|---|---|
| History of other drugs | 25 (27%) | 4 (3.7%) | 29 (14.5%) |
| No history of drugs | 67 (73%) | 104 (96.3%) | 171 (85.5%) |
| Total | 92 (100%) | 108 (100%) | 200 (100%) |
Chi sq = 20.22, df = 1, p < 0.0001
