Table 2.
Characteristics of Infants in Different Smoking Groups (N=172)
| Smoking Group | |||||
|---|---|---|---|---|---|
| Control | Light (<10/day) | Moderate (10 to 19/day) | Heavy (20+/day) | ||
| Characteristic | n=57 | n=42 | n=58 | n=15 | Statistic |
| Adjusted Age (Days) | 194.4 (18.9) | 194.5 (21.3) | 199.3 (23.4) | 192.9 (21.4) | F(3,168)=.75, ns |
| Sex (% Male) | 42.90% | 58.50% | 50% | 46.70% | X2 (3) = 2.38, ns |
| Gestational Age | 38.92 (1.27) | 38.78 (1.33) | 38.28 (1.41) | 38.93 (1.09) | F(3,165) = 2.65, p =.05 |
| Birthweight (gms) | 3419.98 (469.87) | 3317.61 (520.29) | 3172.43 (414.25) | 3131.33 (286.33) | F(3,166)=3.51, p <.05** |
| Birth Length/cm | 51.68 (2.39) | 50.78 (3.05) | 50.3 (2.39) | 50.66 (1.72) | F(3,166)=2.98, p <.05** |
| Head Circumference (cm) | 33.99 (1.6) | 33.73 (1.66) | 33.52 (1.9) | 33.7 (1.75) | F(3.164)=0.69, ns |
| Apgar 1 | 8.0 (0.8) | 7.9 (1.18) | 8.22 (.75) | 7.8 (0.86) | F(3.166)=1.52, ns |
| Apgar 5 | 8.98 (.23) | 8.88 (.4) | 9.03 (.18) | 9.0 (0) | F(3,166) = 2.95, p <.05 |
| Preterm % | 0.0 | 4.9% | 5.2% | 0.0 | X2 (3) = 3.70, ns |
| 6 Month MDI | 93.25 (6.47) | 93.83 (7.02) | 92.05 (8.62) | 90.13 (8.26) | F(3,167)=1.14, ns |
| 6 Month PDI | 91.13 (12.19) | 93.14 (11.94) | 90.02 (13.11) | 93.27 (17.09) | F(3,167)=.59, ns |
*
Delineates significant linear trend <.05,
**
Delineates significant linear trend <.01,
***
Delineates significant linear trend <.001