Table 1.
Demographics of study population stratified on sequencing vagitype, N (%) or mean (std)
| Overall (n=634) |
L. iners vagitype (n=308) |
L. crispatus vagitype (n=250) |
BV-mix vagitype (n=76) |
|
|---|---|---|---|---|
| Maternal age (years) | ||||
| <20 | 122 (19.2) | 78 (25.3) | 30 (12.0) | 14 (18.4) |
| 20-34 | 437 (68.9) | 208 (67.5) | 182 (72.8) | 47 (61.8) |
| 35+ | 75 (11.8) | 22 (7.1) | 38 (15.2) | 15 (19.7) |
| Mean (SD) | 26.1 (6.1) | 24.6 (5.6) | 27.8 (6.1) | 26.6 (6.9) |
| Race | ||||
| White | 370 (58.4) | 152 (49.4) | 176 (70.4) | 42 (55.3) |
| Black | 264 (41.6) | 156 (50.6) | 74 (29.6) | 34 (44.7) |
| Maternal education (years) | ||||
| <12 | 135 (21.3) | 84 (27.3) | 30 (12.0) | 21 (27.6) |
| 12 | 198 (31.2) | 108 (35.1) | 65 (26.0) | 25 (32.9) |
| 13-15 | 136 (21.5) | 73 (23.7) | 53 (21.2) | 10 (13.2) |
| 16+ | 165 (26.0) | 43 (14.0) | 102 (40.8) | 20 (26.3) |
| Pre-pregnancy BMI (kg/m2) | ||||
| <18.5 | 33 (5.2) | 17 (5.5) | 10 (4.0) | 5 (6.6) |
| 18.5 – 24.9 | 300 (47.3) | 137 (44.5) | 133 (53.2) | 30 (39.5) |
| 25.0 – 29.9 | 125 (19.7) | 60 (19.5) | 49 (19.6) | 16 (21.1) |
| ≥30 | 176 (27.8) | 94 (30.5) | 58 (23.2) | 25 (32.9) |
| Mean (SD) | 26.4 (7.5) | 26.7 (7.5) | 25.8 (7.5) | 27.2 (7.1) |
| Parity | ||||
| 0 | 289 (45.6) | 142 (46.1) | 125 (50.0) | 23 (30.3) |
| 1-2 | 295 (46.5) | 141 (45.8) | 112 (44.8) | 41 (53.9) |
| >2 | 50 (7.9) | 25 (8.1) | 13 (5.2) | 12 (15.8) |
| Smoked months 1-6 | ||||
| Any | 154 (24.3) | 83 (27.0) | 52 (20.8) | 19 (25.0) |
| None | 480 (75.7) | 225 (73.0) | 198 (79.2) | 57 (75.0) |
| Negative life events | 3.8 (3.2) | 3.9 (3.1) | 3.5 (3.1) | 3.9 (3.4) |
| Income, % of 1996 poverty level | ||||
| <50 | 77 (12.1) | 48 (15.6) | 19 (7.6) | 11 (14.5) |
| 50-99 | 128 (20.2) | 78 (25.3) | 33 (13.2) | 17 (22.4) |
| 100-199 | 184 (29.0) | 101 (32.7) | 57 (22.8) | 25 (32.0) |
| ≥200 | 245 (38.6) | 81 (26.3) | 141 (56.4) | 23 (30.2) |