Table 2 Association between gynaecologic, obstetric history and low back pain during pregnancy
Variable | Category | Â | Low back pain | Odds ratio | P value | |
|---|---|---|---|---|---|---|
Total N = 410 | Yes n = 221 | No n = 189 | ||||
Gestational age | First trimester (Ref) | 12 (2.9%) | 6 (2.7%) | 6 (3.2%) | / | Â |
Second trimester | 229 (55.9%) | 111 (50.2%) | 118 (62.4%) | 0.941(0.295–3.003) | 0.918 | |
Third trimester | 169 (41.2%) | 104 (47.1%) | 65 (34.4%) | 1.600(0.495–5.1720) | 0.432 | |
Gravidity | Primigravida | 124 (30.2%) | 65 (29.4%) | 59 (31.2%) | 0.918(0.602–1.401) | 0.692 |
Multigravida (Ref) | 286 (69.8%) | 156 (70.6%) | 130 (68.8%) | Â | ||
Parity | Nulliparous (Ref) | 148 (36.1%) | 78 (35.3%) | 70 (37.0%) | Â | Â |
Primiparous | 105 (25.6% | 56 (25.3%) | 49 (26.0%) | 1.026(0.621–1.693) | 0.921 | |
Multiparous | 157 (38.3%) | 87 (39.4%) | 70 (37.0%) | 1.115(0.711–1.751) | 0.635 | |
Mode of previous delivery* | Vaginal | 219 (83.6%) | 120 (54.3%) | 99 (52.4%) | 0.960(0.497–1.853) | 0.902 |
Caesarean (Ref) | 43 (16.4%) | 24 (10.9%) | 19 (10.1%) | |||
Dysmenorrhea | Yes | 172 (42.0%) | 99 (44.8%) | 73 (38.6%) | 1.289(0.869–1.914) | 0.207 |
No (Ref) | 238 (58.0%) | 122 (55.2%) | 116 (61.4%) | Â | Â | |