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Table 4 Associations between disability in gestation week 30 and risk factors measured in early pregnancy (n = 268).

From: Pelvic girdle pain - associations between risk factors in early pregnancy and disability or pain intensity in late pregnancy: a prospective cohort study

 

Crude estimates

Adjusted estimates; model 1

Adjusted estimates; model 2

 

β1 (95% CI2)

p-value

β1 (95% CI2)

p-value

β1 (95% CI2)

p-value

Pain locations

      

No pain

Reference

<0.001

Reference

0.007

Reference

0.03

Symphysis pain only

17.7 (6.8, 28.6)

 

14.0 (3.7, 24.1)

 

11.8 (2.3, 21.2)

 

Posterior pain only

10.7 (6.2, 15.3)

 

4.8 (-0.2, 9.6)

 

3.4 (-1.0, 7.8)

 

Combined symphysis pain and posterior pain

24.5 (15.6, 33.5)

 

11.8 (2.6, 21.0)

 

8.4 (-0.07, 17.0)

 

P4 test

      

Negative

Reference

<0.001

Reference

<0.001

Reference

<0.002

Unilateral positive

8.0 (2.6, 13.5)

 

2.2 (-3.4, 7.9)

 

3.3 (-1.9, 8.6)

 

Bilateral positive

19.8 (14.3, 25.2)

 

12.0 (6.0, 18.0)

 

10.0 (4.4, 15.6)

 

Pain provocation tests (sum)

5.3 (3.9, 6.7)

<0.001

1.7 (0.3, 3.0)

0.02

0.7 (-0.5, 2.0)

0.26

HSCL-25

      

<1.75

Reference

<0.001

Reference

0.006

Reference

0.49

1.75

14.0 (7.6, 20.3)

 

8.2 (2.3, 14.0)

 

2.0 (-3.7, 7.7)

 

DRI in early pregnancy

0.6 (0.5, 0.7)

<0.001

-

-

0.5 (0.3, 0.6)

<0.001

  1. 1Estimated regression coefficients, 2 CI, confidence interval. DRI, Disability Rating Index; P4 test, Posterior Pain Provocation test; HSCL-25, Hopkins Symptom Check List