WEI quartile | N | LBW n (%) | OR (95% CI) | p-value | AORa (95% CI) | p-value |
---|---|---|---|---|---|---|
Quartile 1 (Lowest) | 2546 | 548 (21.5) | 1 | 1 | ||
Quartile 2 | 2442 | 459 (18.8) | 0.89 (0.77, 1.04) | 0.139 | 0.91 (0.78, 1.05) | 0.201 |
Quartile 3 | 2348 | 403 (17.2) | 0.77 (0.66, 0.90) | 0.001 | 0.79 (0.68, 0.93) | 0.004 |
Quartile 4 (Highest) | 2042 | 297 (14.5) | 0.65 (0.55, 0.77) | < 0.001 | 0.68 (0.57, 0.82) | < 0.001 |