| No CKD | CKD | p for interaction |
---|---|---|---|
Age at menarche (years) | Â | Â | 0.4141 |
  ≤ 12 | 1 (Ref.) | 1 (Ref.) |  |
 13–14 | 1.07 (0.98–1.16) | 1.02 (0.80–1.29) |  |
 15–16 | 1.06 (0.98–1.16) | 1.09 (0.86–1.38) |  |
  > 16 | 1.10 (1.01–1.20) | 1.11 (0.87–1.40) |  |
Age at menopause (years) | Â | Â | 0.4028 |
  < 40 | 1.10 (1.03–1.18) | 1.23 (1.06–1.42) |  |
 40–44 | 1.06 (1.02–1.10) | 1.05 (0.96–1.15) |  |
 45–49 | 1.02 (1.00–1.04) | 1.06 (1.01–1.11) |  |
 50–54 | 1 (Ref.) | 1 (Ref.) |  |
  ≥ 55 | 0.97 (0.94–1.00) | 0.95 (0.89–1.02) |  |
Reproductive span | Â | Â | 0.3525 |
  < 30 | 1.09 (1.05, 1.13) | 1.15 (1.04, 1.26) |  |
 30–34 | 1.05 (1.01, 1.08) | 1.12 (1.03, 1.22) |  |
 35–39 | 1.02 (0.98, 1.05) | 1.04 (0.96, 1.14) |  |
  ≥40 | 1 (Ref.) | 1 (Ref.) |  |
Oral contraceptives (years) | Â | Â | 0.7684 |
 Never | 1 (Ref.) | 1(Ref.) |  |
  < 1 | 1.03 (1.00–1.05) | 1.07 (0.99–1.14) |  |
  ≥ 1 | 1.05 (1.01–1.08) | 1.06 (0.98–1.15) |  |
Hormone replacement therapy (years) | Â | Â | <.0001 |
 Never | 1 (Ref.) | 1 (Ref.) |  |
  < 2 | 1.17 (1.14–1.20) | 1.06 (0.99–1.15) |  |
 2–5 | 1.18 (1.13–1.22) | 1.08 (0.97–1.20) |  |
  ≥ 5 | 1.23 (1.17–1.28) | 0.97 (0.86–1.08) |  |
Parity | Â | Â | 0.0296 |
 0 children | 1 (Ref.) | 1 (Ref.) |  |
 1 child | 1.02 (0.96–1.08) | 0.86 (0.72–1.02) |  |
  ≥ 2 children | 0.99 (0.94–1.05) | 1.00 (0.85–1.16) |  |
Breastfeeding (months) | Â | Â | 0.1159 |
 Never | 1 (Ref.) | 1 (Ref.) |  |
  < 6 | 0.94 (0.89–0.98) | 0.90 (0.79–1.02) |  |
 6–12 | 0.99 (0.95–1.03) | 0.86 (0.77–0.97) |  |
  ≥ 12 | 1.01 (0.97–1.05) | 0.89 (0.80–0.98) |  |