Table 1 Distribution of covariates at baseline among women in different body mass index groups
Maternal BMI a: | ||||
|---|---|---|---|---|
<25 | 25–29.9 | ≥30 | ||
Covariates | p-value | (n = 1246; 66.1%) | (n = 350; 18.6%) | (n = 203; 10.8%) |
Maternal age | p = 0.92 | |||
< 25 | 317 (25.4%) | 86 (24.6%) | 54 (26.6%) | |
25–30 | 429 (34.4%) | 126 (36.0%) | 74 (36.4%) | |
30–35 | 376 (30.2%) | 100 (28.5%) | 59 (29.1%) | |
> 35 | 124 (10.0%) | 38 (10.9%) | 16 (7.9%) | |
Height | p = 0.75 | |||
< 160 cm | 124 (10.0%) | 36 (10.3%) | 15 (7.4%) | |
160-169 cm | 595 (47.7%) | 178 (50.9%) | 106 (52.2%) | |
170–179 cm | 477 (38.3%) | 124 (35.4%) | 73 (36.0%) | |
≥ 180 cm | 50 (4.0%) | 12 (3.4%) | 9 (4.4%) | |
Hypertensive disease | p < 0.01 | |||
No | 1132 (90.9%) | 271 (77.4%) | 158 (77.8%) | |
Yes | 114 (9.1%) | 79 (22.6%) | 45 (22.2%) | |
Gestational Diabetes | p < 0.01 | |||
No | 1218 (97.8%) | 335 (95.7%) | 188 (92.6%) | |
Yes | 28 (2.2%) | 15 (4.3%) | 15 (7.4%) | |
Gestational age | p = 0.27 | |||
37–38 weeks | 173 (13.9%) | 46 (13.1%) | 36 (17.7%) | |
39–40 weeks | 635 (51.0%) | 180 (51.4%) | 98 (48.3%) | |
≥ 41 weeks | 438 (35.1%) | 124 (35.5%) | 69 (34.0%) | |
Labour Induced | p < 0.01 | |||
Yes | 363 (29.1%) | 131 (37.4%) | 98 (48.3%) | |
No | 831 (70.9%) | 219 (62.6%) | 105 (51.7%) | |
CTG | p < 0.01 | |||
Yes | 906 (72.7%) | 285 (81.4%) | 176 (86.7%) | |
No | 340 (27.3%) | 65 (18.6%) | 27 (13.3%) | |
Oxytocin | p = 0.03 | |||
Yes | 744 (59.7%) | 232 (66.3%) | 135 (66.5%) | |
No | 502 (40.3%) | 118 (33.7%) | 68 (33.5%) | |
Epidural analgesia | p < 0.01 | |||
Yes | 501 (40.2%) | 170 (48.6%) | 114 (56.2%) | |
No | 745 (59.8%) | 180 (51.4%) | 89 (43.8%) | |
Birthweight | p < 0.01 | |||
<3.0 kg | 187 (15.0%) | 41 (11.7%) | 11 (5.5%) | |
3.0–3.5 kg | 439 (35.3%) | 111 (31.8%) | 80 (39.8%) | |
3.5–4.0 kg | 456 (36.7%) | 141 (40.4%) | 69 (34.3%) | |
>4.0 kg | 162 (13.0%) | 56 (16.1%) | 41 (20.4%) | |