Table 5.
Birth weight (g) | Gestational age (weeks) | Low birthweight newborns | Preterm births | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Treated | Untreated | Comparison | Treated | Untreated | Comparison | Treated | Untreated | Comparison | Treated | Untreated | Comparison | |||||||||||
Study groups | Mean | SD | Mean | SD | t | P | Mean | SD | Mean | SD | t | P | n | % | n | % | POR (95% CI) | n | % | n | % | POR (95% CI) |
Male | 3079 | 693 | 3324 | 513 | 2.1 | 0.03 | 38.4 | 3.1 | 39.4 | 2.0 | 1.9 | 0.06 | 6 | 16.2 | 1232 | 5.0 | 3.7 (1.5, 8.8) | 7 | 18.9 | 2062 | 8.3 | 2.6 (1.1, 5.8) |
Female | 3081 | 489 | 3187 | 494 | 0.9 | 0.36 | 39.0 | 1.7 | 39.3 | 2.1 | 0.4 | 0.66 | 3 | 16.7 | 926 | 7.0 | 2.7 (0.8, 9.2) | 2 | 11.1 | 1425 | 10.7 | 1.0 (0.2, 4.5) |
The onset of treatment after: | ||||||||||||||||||||||
first trimester | 2961 | 681 | 3276 | 511 | 2.6 | 0.01 | 38.3 | 3.0 | 39.4 | 2.0 | 2.0 | 0.05 | 6 | 19.4 | 2161 | 5.7 | 4.0 (1.6, 9.7) | 6 | 19.4 | 3490 | 9.2 | 2.4 (0.9, 5.8) |
second trimester | 2781 | 740 | 3276 | 511 | 3.0 | 0.007 | 37.9 | 3.5 | 39.4 | 2.0 | 1.9 | 0.07 | 6 | 30.0 | 2161 | 5.7 | 7.1 (2.7, 18.4) | 5 | 25.0 | 3491 | 9.2 | 3.3 (1.2, 9.1) |
Bold numbers show significant associations.