| Average childhood figure (ages 5–10 years) | P for trendd | ||||
---|---|---|---|---|---|---|
 | 1 | 1.5–2 | 2.5–3 | 3.5–4.5 | ≥ 5 |  |
Multivariate RR (95% CI)a | 1.00 | 0.93 (0.79–1.08) | 0.90 (0.76–1.06) | 0.81 (0.68–0.96) | 0.48 (0.35–0.65) | <0.0001 |
Multivariate RR + later BMIb | ||||||
   BMI at age 18 years | 1.00 | 0.95 (0.81–1.11) | 0.95 (0.80–1.12) | 0.87 (0.72–1.05) | 0.53 (0.38–0.73) | 0.004 |
   Current BMI | 1.00 | 0.93 (0.80–1.09) | 0.92 (0.78–1.08) | 0.84 (0.70–1.01) | 0.51 (0.37–0.69) | 0.0003 |
   Cumulatively averaged BMI | 1.00 | 0.94 (0.81–1.10) | 0.93 (0.79–1.10) | 0.86 (0.72–1.03) | 0.52 (0.38–0.71) | 0.001 |
Multivariate RR + age at menarche and menstrual cycle characteristicsc | ||||||
   Age at menarche | 1.00 | 0.93 (0.80–1.09) | 0.89 (0.76–1.05) | 0.80 (0.67–0.95) | 0.47 (0.34–0.64) | <0.0001 |
   Age at menarche, time until regular cycles | 1.00 | 0.93 (0.80–1.09) | 0.89 (0.76–1.05) | 0.80 (0.67–0.95) | 0.47 (0.34–0.64) | <0.0001 |
   Age at menarche, regularity/length of cycles, ages 18–22 years | 1.00 | 0.93 (0.80–1.09) | 0.89 (0.76–1.05) | 0.79 (0.67–0.95) | 0.47 (0.34–0.64) | <0.0001 |