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

Table 4 The association of number of positive answers in the five part questionnaire with pelvic girdle pain in trimester 1, 2 and 3, among 2217 reporting pain status two times during pregnancy (n = 4434 pain drawings)

Positive answers 5PQ^b	Pelvic girdle pain Trimester 1			Positive answers 5PQ^b	Pelvic girdle pain Trimester 2			Positive answers 5PQ^b	Pelvic girdle pain Trimester 3
All women, n=	All cases, n (%)	Adjusted OR^a (95% CI)	P =	All Women *n =*	All cases, n (%)	Adjusted OR^a (95% CI)	P =	All Women *n =*	All cases, n (%)	Adjusted OR^a (95% CI)	P =
0 658	136 (20.7)	Reference		0 207	54 (26.1)	Reference		0 883	508 (57.5)	Reference
1 520	123 (23.6)	1.20 (0.91–1.59)	0.20	1 181	60 (33.1)	1.33 (0.85–2.07)^c	0.21	1 711	414 (58.2)	1.04 (0.85–1.27)^c	0.73
2 252	73 (29.0)	1.49 (1.06–2.10)	0.02	2 80	29 (36.2)	1.59 (0.90–2.82)^c	0.11	2 340	211 (62.1)	1.15 (0.89–1.50)^c	0.29
3 152	52 (34.2)	1.96 (1.32–2.90)	0.001	3 48	12 (25.0)	0.75 (0.34–1.65)^c	0.48	3 204	131 (64.2)	1.31 (0.94–1.82)^c	0.10
4/5 74	26 (35.1)	1.75 (1.02–2.99)	0.04	4/5 24	12 (50.0)	2.78 (1.16–6.63)^c	0.02	4/5 100	64 (64.0)	1.27 (0.82–1.95)^c	0.29
	Test for Linear trend		≤0.001				0.13				0.06

^a Adjusted for age and ethnicity, ^b 5PQ – Five part Questionnaire: Generalized joint hypermobility = sum score ≥ 2, ^c Cluster robust standard errors, P < 0.05

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