Table 1 Socio-demographic, clinical and obstetric characteristics of study participants by diagnosis of oligohydramnios at Mbarara Regional Referral Hospital, southwestern Uganda, November 2019–March 2020
Characteristic | Overall | Oligohydramnios | ||
|---|---|---|---|---|
(N = 426), n (%) | Yes (n = 40), n (%) | No (n = 386), n (%) | P value | |
Age a category | 0.903 | |||
< 25 years | 156 (36.6) | 15 (37.5) | 141 (36.5) | |
≥ 25 years | 270 (63.4) | 25 (62.5) | 245 (63.5) | |
Marital status | 0.613 | |||
Married | 409 (96.0) | 39 (97.5) | 370 (95.9) | |
Single | 11 (4.0) | 1 (2.5) | 16 (4.1) | |
Education level | 0.330 | |||
Cannot read and write | 26 (6.1) | 3 (7.5) | 23 (6.0) | |
Primary | 141 (33.1) | 8 (20.0) | 133 (34.5) | |
Secondary | 171 (40.1) | 19 (47.5) | 152 (39.4) | |
Tertiary | 88 (20.7) | 10 (25.0) | 78 (20.2) | |
Gestational aged | < 0.001 | |||
37–39 weeks | 231 (54.2) | 12 (5.2) | 219 (94.8) | |
40–41 weeks | 154 (36.2) | 18 (11.7) | 136 (88.3) | |
> 41 weeks | 41 (9.6) | 10 (24.4) | 31 (75.6) | |
Gravidity | 0.004 | |||
1 | 218 (51.2) | 11 (27.5) | 207 (53.6) | |
2–4 | 151 (35.5) | 23 (57.5) | 128 (33.2) | |
≥ 5 | 57 (13.4) | 6 (15.0) | 51 (13.2) | |
Anaemia during pregnancy | 5 (1.2) | 5 (5.0) | 3 (0.8) | 0.072 |
History of hypertension | 6 (1.4) | 0 (0) | 6 (1.6) | 1.000 |
HIV in pregnancy | 47 (11.0) | 2 (5.0) | 45 (11.7) | 0.289 |
Had malaria in pregnancy | 19 (4.5) | 6 (15.0) | 13 (3.4) | 0.001 |
Booking blood pressure | 0.525 | |||
< 130/80 mmHg | 288 (67.6) | 25 (62.5) | 263 (68.1) | |
≥ 130/80 mmHg | 138 (32.4) | 15 (37.5) | 123 (31.9) | |
Body mass index (BMI) b | 0.007 | |||
> 25 kg/m2 | 379 (89.0) | 30 (75.0) | 349 (90.4) | |
≤ 25 kg/m2 | 47 (11.0) | 10 (25.0) | 37 (9.6) | |
Estimated fetal weight c | 0.181 | |||
< 2.5 kg | 30 (7.0) | 5 (12.5) | 25 (6.5) | |
2.5–3.5 kg | 257 (60.3) | 26 (65.0) | 231 (59.8) | |
> 3.5 kg | 139 (32.6) | 9 (22.5) | 130 (33.8) | |
Low lying placenta | 11 (2.6) | 39 (97.5) | 376 (97.4) | 0.973 |