Table 1.
Demographic, gravida, delivery mode, and birth data for pregnant teenagers shown by Institute of Medicine weight categories
| Underweight (n=723) | Normal weight (n=1,047) | Overweight (n=120) | Obesity (n=53) | Overall (n=1,943) | |
|---|---|---|---|---|---|
| Mean age (±SD), years | 17.3 (±1.4) | 17.4 (±1.4) | 17.9 (±1.3) | 17.8 (±1.3) | 17.4 (±1.4) |
| Education, n (%) | |||||
| Primary | 108 (38.6) | 145 (51.8) | 15 (5.3) | 12 (4.3) | 280 (100.0) |
| Middle school | 391 (36.1) | 592 (55.7) | 68 (6.3) | 31 (2.9) | 1,082 (100.0) |
| Senior high school | 204 (37.8) | 291 (53.9) | 35 (6.5) | 10 (1.8) | 540 (100.0) |
| Undergraduate | 20 (48.8) | 19 (46.3) | 2 (4.9) | 0 (0) | 41 (100.0) |
| Gravida, n (%) | |||||
| Nulliparous | 631 (37.4) | 911 (54.0) | 102 (6.0) | 44 (2.6) | 688 (100.0) |
| Multiparous | 92 (36.1) | 136 (53.3) | 18 (7.1) | 9 (3.5) | 255 (100.0) |
| Mode of delivery, n (%) | |||||
| Vaginal delivery | 613 (39.2) | 840 (53.7) | 78 (5.0) | 32 (2.1) | 1,563 (100.0) |
| Normal labor | 582 (39.1) | 809 (54.4) | 69 (4.6) | 28 (1.9) | 1,488 (100.0) |
| Vacuum extraction | 27 (40.9) | 28 (42.4) | 8 (12.1) | 3 (4.5%) | 66 (100.0) |
| Forcep extraction | 4 (44.5) | 3 (33.3) | 1 (11.1) | 1 (11.1) | 9 (100.0) |
| Cesarean section | 110 (28.9) | 207 (54.5) | 42 (11.1) | 21 (5.5) | 380 (100.0) |
| Birth, n (%) | |||||
| Term | 646 (36.4) | 966 (54.4) | 114 (6.4) | 51 (2.8) | 1,777 (100.0) |
| Preterm | 77 (46.4) | 81 (48.8) | 6 (3.6) | 2 (1.2) | 166 (100.0) |
Abbreviation: SD, standard deviation.