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Table 2 The associations between self-reported generalized joint hypermobility and pelvic girdle pain in the 9-month period of pregnancy and in trimester 1, 2 and 3, expressed as crude and adjusted odds ratios with 95% confidence intervals

From: The Association of Self-Reported Generalized Joint Hypermobility with pelvic girdle pain during pregnancy: a retrospective cohort study

Pregnancy period:
Entire
Pregnancy
Trimester 1–3
(no of ques- tionnaires)
All women Women with GJH Women without GJH Crude OR
(95% CI)
P = Adjusted ORa
(95%CI)
P =
Pain
n (%)
Pain
n (%)
No pain
n (%)
Pain
n (%)
No pain
n (%)
Entire pregnancy
(n = 4434)
1905 (43.0) 610 (47.9) 664 (52.1) 1295 (41.0) 1865 (59.0) 1.32 (1.15–1.52) < 0.01 1.27 (1.11–1.47) 0.001
1 (n = 1656) 410 (24.8) 151 (31.6) 327 (68.4) 259 (22.0) 919 (78.0) 1.64 (1.29–2.08) < 0.001 1.54 (1.20–1.96) 0.001
2 (n = 540) 167 (30.9) 53 (34.9) 99 (65.1) 114 (29.4) 274 (70.6) 1.29 (0.86–1.92)b 0.22 1.24 (0.82–1.88)b 0.30
3 (n = 2238) 1328 (59.3) 406 (63.0) 238 (37.0) 922 (57.8) 672 (42.2) 1.24 (1.03–1.50)b 0.02 1.20 (0.99–1.45)b 0.06
  1. Pain was reported by completing pain drawings at two occasions during pregnancy
  2. In total 2217 women filled in 4434 pain drawings of which 1656 were completed in trimester 1, 540 in trimester 2 and 2238 in trimester 3
  3. GJH Generalized Joint hypermobility, sum score ≥ 2 in the five part questionnaire, OR odds ratio, CI confidence interval
  4. a Adjusted for age and ethnicity
  5. b Cluster robust standard errors