Table 1.
Background characteristics and obstetric outcomes
| Live births only a N = 8,234 n (%) | Total number of deliveries b N = 8,758 n (%) | |
|---|---|---|
| Age group (years) | ||
| 12-19 | 800 (9.7) | 841 (9.6) |
| 20-35 | 6,493 (79.0) | 6,899 (78.9) |
| 36-50 | 927 (11.3) | 1,003 (11.5) |
| Occupation | ||
| Skilled | 780 (9.8) | 809 (9.6) |
| Semi-skilled | 5,734 (72.0) | 6,113 (72.2) |
| Unemployed | 1,452 (18.2) | 1,543 (18.2) |
| Religion | ||
| Christian | 6,750 (84.2) | 7,164 (84.1) |
| Moslem/other | 1,263 (15.8) | 1,357 (15.9) |
| Parity | ||
| 0 | 2,877 (36.0) | 3,056 (35.9) |
| 1-4 | 4,634 (57.9) | 4,915 (57.8) |
| 5+ | 486 (6.1) | 538 (6.3) |
| Number of singleton/multiple births | ||
| Singleton (1) | 7,955 (96.6) | 8,464 (96.6) |
| Multiple (2 or 3) | 279 (3.4) | 294 (3.4) |
| Hypertensive disorder in pregnancy | ||
| No | 7,843 (95.3) | 8,297 (94.7) |
| Yes | 391 (4.7) | 461 (5.3) |
| Type of delivery | ||
| Spontaneous vaginal delivery | 7,916 (96.2) | 8,355 (95.4) |
| Breech delivery | 224 (2.7) | 297 (3.4) |
| Vacuum extraction | 94 (1.1) | 106 (1.2) |
| Condition of perineum after delivery | ||
| Intact | 5,771 (72.9) | 6,171(73.5) |
| Episiotomy | 579 (7.3) | 609 (7.3) |
| Perineal tear | 1,563 (19.8) | 1,618 (19.2) |
| Sex of baby | ||
| Female | 3,989 (48.5) | 4,223 (48.3) |
| Male | 4,230 (51.5) | 4,517 (51.7) |
| Birth weight | ||
| Normal birth weight (≥2500 g) | 7,307 (89.3) | 7,597 (87.4) |
| Low birth weight (<2500 g) | 876 (10.7) | 1,099 (12.6) |
| Outcome of delivery | ||
| Stillbirth | N/A | 517 (5.9) |
| Live birth | 8,234 (100) | 8,234 (94.1) |
Missing values among live births onlya and total number of deliveriesb: 14 (0.17%)a and 15 (0.17%)b for maternal age; 268 (3.3)a and 293 (3.4%)b for occupation; 221 (2.7%)a and 237 (2.7%)b for religion; 237 (2.9%)a and 249 (2.8%)b for parity; 321 (3.9)a and 360 (4.1%)b for condition of perineum; 15 (0.18%)a and 18 (0.21%)b for sex of baby; 2 (0.02%)b for gestation at delivery; 51 (0.6%)a and 62 (0.7%)b for birth weight; 7 (0.08)b for outcome of delivery. N/A- not applicable.