Table 1.
Demographic variables
| Variable | Cohort I (n=174), n (%)Mean±SD | Cohort II(n=302), n (%)Mean±SD | Pa | Cohort III (n=174), n (%)Mean±SD | Pb |
|---|---|---|---|---|---|
| Age (years) | 25.6±4.4 | 25.9±4.1 | 0.350 | 25.9±4.3 | 0.382 |
| BMI | |||||
| ≤25 | 94 (54.0) | 143 (47.4) | 0.161 | 100 (57.5) | 0.517 |
| >25 | 80 (46.0) | 159 (52.6) | 74 (42.5) | ||
| Gravidity | |||||
| Primi gravida | 78 (44.8) | 148 (49.0) | 0.379 | 87 (50.0) | 0.334 |
| Multi gravida | 96 (55.2) | 154 (51.0) | 87 (50.0) | ||
| Previous pregnancy loss | |||||
| No | 168 (966) | 289 (95.7) | 0.646 | 165 (94.8) | 0.428 |
| Yes | 6 (3.4) | 13 (4.3) | 9 (5.2) | ||
| Residence | |||||
| Urban | 122 (70.1) | 193 (63.9) | 0.168 | 111 (63.8) | 0.210 |
| Rural | 52 (29.9) | 109 (36.1) | 63 (36.2) | ||
| Annual income (INR) | |||||
| Median (IQR) | 120,000 (77,250-200,000) | 160,000 (85,000-245,000) | 0.004 | 180,000 (110,000-250,000) | 0.001 |
| GA at presentation with ILI (weeks) | |||||
| <13 | 5 (2.9) | 33 (10.9) | <0.001 | 8 (4.6) | 0.694 |
| 13-28 | 47 (27.0) | 113 (37.4) | 47 (27.0) | ||
| >28 | 122 (70.1) | 156 (51.7) | 119 (68.4) |
BMI: Body mass index, GA: Gestational age, ILI: Influenza-like illness, SD: Standard deviation