| Age (years) | 32.7 ± 5.0 | |
| Marital status | Married | 86 (96.6) |
| Not married | 3 (3.4) | |
| Working | Yes | 70 (78.7) |
| No | 19 (21.3) | |
| Parity | Primiparous | 33 (37.1) |
| Multiparous | 56 (62.9) | |
| Presence of LBPP before pregnancy | Yes | 42 (47.2) |
| No | 47 (52.8) | |
| Past history of LBPP in previous pregnancy (n = 56) | Yes | 35 (62.5) |
| No | 21 (37.5) | |