Table 1.
Demographic data
| Demographic variable | Cases, n (%) | Controls, n (%) |
|---|---|---|
| Age group (years) | ||
| ≤50 | 8 (8) | 8 (8) |
| 51-60 | 57 (57) | 57 (57) |
| 61-70 | 34 (34) | 34 (34) |
| >70 | 1 (1) | 1 (1) |
| Marital Status | ||
| Married | 84 (84) | 84 (84) |
| Never married | 4 (4) | 4 (4) |
| Divorced/separated/widowed | 12 (12) | 12 (12) |
| Parity | ||
| 1 | 3 (3) | 3 (3) |
| 2 | 5 (5) | 5 (5) |
| 3 | 76 (76) | 76 (76) |
| 4 | 10 (10) | 10 (10) |
| 5 | 4 (4) | 4 (4) |
| 6 | 1 (1) | 1 (1) |
| 7 | 1 (1) | 1 (1) |
| SES (Modified Kuppuswamy’s SES scale)[13] | ||
| Upper | 6 (6) | 6 (6) |
| Upper middle | 32 (32) | 32 (32) |
| Lower middle | 40 (40) | 40 (40) |
| Upper lower | 22 (22) | 22 (22) |
| Education | ||
| College graduate | 7 (7) | 7 (7) |
| Partial college | 17 (17) | 17 (17) |
| High school graduate only | 76 (76) | 76 (76) |
| BMI (kg/m2) | ||
| 18.5-24.9 (normal weight) | 6 (6) | 6 (6) |
| 25-29.9 (over weight) | 70 (70) | 70 (70) |
| 30-34.9 (obese type I) | 24 (24) | 24 (24) |
| Mode of delivery | ||
| Vaginal | 91 (91) | 91 (91) |
| Caesarean section | 9 (9) | 9 (9) |
BMI: Body mass index, SES: Socioeconomic status