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Table 1 Baseline characteristics of the study population and stratified by self-reported generalized joint hypermobility

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

Variables

All women

N = 2217 (100%)

Women with GJH

N = 637 (28.7%)

Women without GJH

N = 1580 (71.3%)

n =

n (%)

n =

n (%)

n =

n (%)

Age, years, mean (SD)b

1645

29.4 (4.8)

476

28.8 (4.9)

1169

29.6 (4.7)

BMI, median (IQR) kg/m2,b

1622

23.9 (21.9–27.3)

465

23.8 (21.9–26.8)

1157

23.9 (21.9–27.4)

Ethnicity, origin outside Europe, n (%)

2189

123 (5.6)

622

43 (6.9)

1567

80 (5.1)

Multiparous n (%)

2200

1228 (55.8)

630

361 (57.3)

1570

867 (55.2)

Completed university

Education n (%)a

2217

1110 (50.1)

637

282 (44.3)

1580

828 (52.4)

Having a partner n (%)

2205

2177 (98.7)

629

621 (98.7)

1576

1556 (98.7)

History of back pain n (%)

2217

197 (8.9)

637

68 (10.7)

1580

129 (8.2)

  1. SD Standard deviation, IQR Inter quartile range, BMI body mass index, kg/m2 kilograms per square meter, GJH Generalized Joint Hypermobility = sum score ≥ 2 in the five part questionnaire, no GJH sum score < 2 in the five part questionnaire
  2. a Statistical difference between women with and without GJH; P < 0.05
  3. b During first trimester