Table 4.
Adjusted Associations between joint trajectory groups and adverse birth outcomes
| Trajectory Group (Ref cat: Normal) |
Preterma | Low Birthweightb | ||||
|---|---|---|---|---|---|---|
| RR (95% CI) | ARR (95% CI) | P-value | RR (95% CI) | ARR (95% CI) | P-value | |
| Low Normal | 0.67 (0.48–0.94) | 0.59 (0.41–0.85) | 0.004 | 0.95 (0.67–1.34) | 0.99 (0.70–1.43) | 0.998 |
| High Normal | 1.43 (1.10–1.85) | 1.48 (1.12–1.95) | 0.005 | 1.22 (0.87–1.71) | 1.16 (0.83–1.61) | 0.390 |
| Abnormal | 3.13 (2.35–4.17) | 3.18 (2.32–4.37) | < 0.0001 | 2.81 (1.90–4.15) | 1.78 (1.22–2.59) | 0.003 |
aadjusted for age, body mass index and previous preterm delivery
badjusted for age, body mass index and gestational age at delivery