Table 2.
Characteristics of groups of women with and without the ApoE4 allele. None of the differences (analysed by t-tests) was statistically significant. Numbers varied (from 118) due to missing observations.
| genotypes with ApoE4 n = 19 | genotypes without ApoE4 n = 99 |
|||
|---|---|---|---|---|
| mean (s.d.) | mean (s.d.) | t | p-value | |
| age (years) | 30.4 (3.02) | 29.4 (3.38) | 1.17 | 0.24 |
| age at menarche (years) | 13.4 (1.07) | 13.3 (1.23) | 0.35 | 0.73 |
| age at first birth (for parous women; years) | 22.2 (8.65) | 22.9 (2.68) | 0.48 | 0.63 |
| number of children | 0.68 (0.82) | 1.01 (1.23) | 1.10 | 0.27 |
| body weight (kg) | 58.2 (8.61) | 61.3 (10.36) | 1.23 | 0.22 |
| body height (cm) | 162.7 (5.39) | 163.5 (6.38) | 0.53 | 0.59 |
| BMI (kg m–2) | 22.1 (2.83) | 23.0 (3.79) | 1.08 | 0.28 |
| body fat (%) | 25.6 (4.69) | 26.5 (7.59) | 0.53 | 0.60 |
| birth weight (gr) | 3197.0 (788.68) | 3310.2 (600.0) | 0.67 | 0.50 |
| Ponderal index (kg m–3) | 19.96 (6.14) | 21.40 (4.96) | 0.99 | 0.32 |
| physical activity (MET/day) | 43.5 (14.61) | 42.8 (12.10) | 0.22 | 0.83 |
| length of menstrual cycle (days) | 28.5 (3.49) | 28.6 (3.60) | 0.14 | 0.89 |
| education (number of years) | 16.3 (3.0) | 15.3 (3.29) | 1.21 | 0.23 |