| Chronic kidney disease (N = 18,001) | ||
---|---|---|---|
n | Minimally adjusted | Fully adjusted | |
HR (95% CI) | HR (95% CI) | ||
Exposure 1 | |||
 Term delivery (≥ 37 weeks) | 15,914 | 1.0 | 1.0 |
 Preterm delivery (< 37 weeks) | 2087 | 1.47 (1.40–1.53) | 1.39 (1.32–1.45) |
Exposure 2 | |||
 Term delivery (≥ 37 weeks) | 15,914 | 1.0 | 1.0 |
 Moderate preterm delivery (32–36 + 6 weeks) | 1733 | 1.41 (1.34–1.48) | 1.35 (1.28–1.41) |
 Very preterm delivery (28–31 + 6 weeks) | 244 | 1.77 (1.56–2.01) | 1.55 (1.36–1.76) |
 Extremely preterm delivery (< 28 weeks) | 110 | 2.05 (1.70–2.48) | 1.84 (1.52–2.22) |
Exposure 3 | |||
 Full term delivery (39–41 + 6 weeks) | 9134 | 1.0 | 1.0 |
 Post-term delivery (≥ 42 weeks) | 2237 | 0.94 (0.90–0.98) | 1.04 (0.99–1.09) |
 Early term delivery (37–38 + 6 weeks) | 4543 | 1.13 (1.09–1.17) | 1.19 (1.15–1.24) |
 Moderate preterm delivery (32–36 + 6 weeks) | 1733 | 1.44 (1.37–1.52) | 1.43 (1.36–1.51) |
 Very preterm delivery (28–31 + 6 weeks) | 244 | 1.81 (1.60–2.06) | 1.65 (1.45–1.87) |
 Extremely preterm delivery (< 28 weeks) | 110 | 2.11 (1.75–2.54) | 1.96 (1.63–2.37) |
Exposure 4 | |||
 Term delivery (≥ 37 weeks) | 15,914 | 1.0 | 1.0 |
 Spontaneous preterm delivery (< 37 weeks) | 1571 | 1.32 (1.25–1.39) | 1.32 (1.25–1.39) |
 Iatrogenic preterm delivery—preeclampsia (< 37 weeks) | 230 | 2.82 (2.48–3.21) | 2.81 (2.46–3.20) |
 Iatrogenic preterm delivery—SGA (< 37 weeks) | 182 | 1.74 (1.50–2.00) | 1.66 (1.44–1.93) |
 Iatrogenic preterm delivery—preeclampsia and SGA (< 37 weeks) | 104 | 2.11 (1.74–2.56) | 2.10 (1.73–2.55) |
Exposure 5 | |||
 Two term deliveries (≥ 37 weeks) | 6013 | 1.0 | 1.0 |
 One preterm (< 37 weeks) and one term delivery (≥ 37 weeks) | 723 | 1.51 (1.40–1.63) | 1.34 (1.24–1.45) |
 Two preterm deliveries (< 37 weeks) | 93 | 1.67 (1.36–2.05) | 1.46 (1.19–1.79) |