Table 1. Characteristics of participants who completed the FFQ and/or SQUASH at baseline.
| Intervention group (N = 261) | Control group (N = 249) |
P-value | |
|---|---|---|---|
| Age (mean; SD) | 29.8 (4.5) | 29.8 (4.5) | 0.88 |
| Caucasian (%; N) | 89.3 (233) | 89.2 (222) | 0.97 |
| Education (%; N) | |||
| Primary school (4–12 years) | 6.0 (15) | 2.9 (7) | 0.26 |
| Secondary education | 24.0 (60) | 23.4 (56) | |
| Intermediate Vocational Education | 49.2 (123) | 47.7 (114) | |
| Higher Vocational Education and University | 20.8 (52) | 25.9 (62) | |
| Smoking (yes; %; N) | 26.1 (67) | 21.4 (53) | 0.22 |
| Weight (kg; mean; SD) | 103.7 (13.7) | 103.4 (12.3) | 0.80 |
| Body Mass Index (kg/m2; mean; SD) | 36.0 (3.4) | 36.1 (3.4) | 0.85 |
| Anovulation (yes; %; N) | 45.0 (117) | 48.4 (120) | 0.44 |
| PCOS (%; N) | 76.1 (89/117) | 74.2 (89/120) | 0.70 |
| Nulliparous (%; N) | 70.1 (183) | 67.1 (167) | 0.73 |
Baseline characteristics are presented as means and standard deviations (SD) for continuous variables, and as percentages (%) and total number of participants (N) for categorical data. To compare groups, an independent Student’s t-test was used for continuous variables, and a Chi-square test for categorical data; kg/m2 = kilograms per square meter; PCOS = Polycystic ovarian syndrome.