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DEMOGRAPHICS AND SERUM CAFFEINE LEVELS
| Number of subjects | 19 |
| Gestational age (mean ± SD) | 39 4/7 ± 1.2 weeks |
| Birth weight (mean ± SD) | 3286 ± 505 grams |
| Gender | 73% male |
| Race | 78 % AA ; 11% C |
| Apgar 1 minute (median, range) | 8 (6–9) |
| Apgar 5 minute (median, range) | 9 (8–9) |
| Delivery mode | 21% C/S |
| Caffeine level (mean ± SD) | 0.67 ± 1.12 ug/ ml |
AA, African American; Apgars, Apgar score; C, Caucasian; C/S, cesarean section
