Table 1.
General characteristics of the study subjects (n = 80).
| Group | Smokers (n = 40) |
Non-Smokers (n = 40) |
p-Value |
|---|---|---|---|
| Newborn Characteristics | |||
| Gestational age, weeks | 39.0 ± 1.0 | 39.3 ± 0.9 | 0.384 |
| Apgar 1th min score | 10 (9–10) | 10 (10–10) | 0.511 |
| Apgar 5th min score | 10 (10–10) | 10 (10–10) | 0.576 |
| Male/Female, % | 46/54 | 38/62 | 0.420 |
| Birth weight, g | 3124 ± 427 | 3517 ± 446 | <0.001 |
| Birth body length, cm | 54.5 ± 2.7 | 55.9 ± 2.5 | 0.009 |
| Head circumference, cm | 34.0 ± 1.7 | 35.0 ± 1.1 | <0.001 |
| Cotinine, µg/L | 84.5 (56.3–112.1) | 0 | - |
| Maternal Characteristics | |||
| Age, years | 28.8 ± 4.5 | 30.3 ± 4.8 | 0.120 |
| Race: Caucasian, % | 100 | 100 | - |
| Mode of delivery: vaginal, % | 100 | 100 | - |
| Pre-gravid BMI, kg/m2 | 23.4 ± 1.3 | 24.1 ± 1.4 | 0.073 |
| Hemoglobin, g/dL | 12.2 ± 1.1 | 12.7 ±1.1 | 0.049 |
| Smoking habit smokers/non-smokers, % | 50 | 50 | - |
| Number of cigarettes, day | 10 (5–10) | - | - |
| Time of smoking before conception, year | 8 (5–12) | - | - |
Results are presented as means ± SD, median (25–75% interquartile range), percent (%), BMI—body mass index.