Table 1 Baseline distribution of selected cohort characteristics (n = 5193).
Variable | Category | Total, No. | No. (col%) of participants / median (IQR) |
|---|---|---|---|
Sex | Female | 5193 | 2734 (52.7%) |
Male | 2459 (47.4%) | ||
Birthweight (g) | Median (IQR) | 5125 | 3450 (3130–3760) |
Body mass index (kg/m2) | Median (IQR) | 4829 | 15.79 (14.85–16.99) |
Body image | Satisfaction | 5193 | 3526 (67.9%) |
Dissatisfaction (desire to be larger) | 448 (8.6%) | ||
Dissatisfaction (desire to be smaller) | 1219 (23.5%) | ||
Stressful life events | 0 events | 4632 | 1631 (35.2%) |
1 event | 1485 (32.1%) | ||
2 events | 858 (18.5%) | ||
3 events | 368 (7.9%) | ||
4 events | 184 (4.0%) | ||
5 events | 64 (1.4%) | ||
6 events or more | 42 (0.9%) | ||
IQ | Median (IQR) | 5193 | 105 (94–118) |
Disordered eating at 16 years old | Yes | 3230 | 731 (22.6%) |
No | 2499 (77.4%) | ||
Self-harm at 16 years old | Yes | 3295 | 347 (10.5%) |
No | 2948 (89.5%) | ||
Characteristics of parents | |||
Maternal age (years) | Median (IQR) | 5193 | 29 (26–32) |
Maternal body mass index (kg/m2) | Median (IQR) | 4778 | 22.14 (20.5–24.2) |
Maternal education | No high school qualifications | 5087 | 993 (16.5%) |
High school | 1754 (34.5%) | ||
Beyond high school | 2340 (46.0%) | ||
Maternal social class | 4–5 (high) | 4900 | 176 (3.6%) |
3 (manual and non-manual) | 1616 (33.0%) | ||
2 | 2288 (46.7%) | ||
1 (low) | 820 (16.7%) | ||
Paternal absence | No paternal absence | 4628 | 3713 (80.2%) |
Paternal absence when child was 5 years or older | 320 (6.9%) | ||
Paternal absence when child was less than 5 years old | 595 (12.9%) | ||
Equivalized income (quintiles) | 1 | 4753 | 650 (13.7%) |
2 | 866 (18.2%) | ||
3 | 964 (20.3%) | ||
4 | 1100 (23.4%) | ||
5 | 1173 (24.7%) | ||
Edinburgh Postnatal Depression Scale score (32 weeks gestation)a | Median (IQR) | 4962 | 6 (3–10) |
Edinburgh Postnatal Depression Scale score (21 months post-partum)a | Median (IQR) | 4817 | 4 (2–8) |
