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Frequency and amounts of cocaine use by trimester
| Cocaine Positive (n = 123) M ± SD | |
|---|---|
| Cocaine number rocks | |
| Month prior | 2.2 ± 4 |
| Trimester 1 | 1.5 ± 2 |
| Trimester 2 | 2.0 ± 6 |
| Trimester 3 | 1.7 ± 2 |
| Cocaine days/week | |
| Month prior | 2.6 ± 3 |
| Trimester 1 | 2.4 ± 2 |
| Trimester 2 | 2.2 ± 2 |
| Trimester 3 | 2.5 ± 2 |
| Cocaine cost | |
| Month prior | $54 ± $111 |
| Trimester 1 | $51 ± $84 |
| Trimester 2 | $38 ± $76 |
| Trimester 3 | $40 ± $60 |
