Table 2.
Cotinine intake per cigarette smoked by education in two national samples (ADD HEALTH III, N=386; NHANES 2005-2006, N=349)
| Less than H.S. | H.S. Graduate | More than H.S. | ||||
|---|---|---|---|---|---|---|
| M | S.D. | M | S.D. | M | S.D. | |
| ADD HEALTH III (18-24 years) | ||||||
| Urine cotinine (ng/ml) | 162.4a | (174.4) | 138.0ab | (135.5) | 115.6b | (117.3) |
| Total N | (105) | (149) | (132) | |||
| NHANES 2005-2006 (20+ years) | ||||||
| Serum cotinine (ng/ml) | 32.3a | (61.0) | 19.1b | (16.6) | 23.6ab | (30.1) |
| Total N | (108) | (111) | (130) | |||
a,b
Cells with different letters are statistically significantly different from each other.