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Table 2 Effect of intervention on change in knee pain over 1 year

From: Effect of a low-intensity, self-management lifestyle intervention on knee pain in community-based young to middle-aged rural women: a cluster randomised controlled trial

 

Intervention, n (%)

Control, n (%)

P valuea

Odds ratio (95% CI)b

P valueb

Whole population, n = 390

n = 206

n = 184

   

Knee pain worsening

28 (13.6)

33 (17.9)

0.24

0.67 (0.38, 1.17)

0.16

Subgroup with no knee pain at baseline, n = 259

n = 139

n = 120

   

Incidence of knee pain

20 (14.4)

18 (15.0)

0.89

0.92 (0.45, 1.84)

0.81

Subgroup with knee pain at baseline, n = 131

n = 67

n = 64

   

Knee pain increasing

8 (11.9)

15 (23.4)

0.08

0.37 (0.14, 1.01)

0.05

Knee pain improvement

43 (64.2)

41 (64.1)

0.99

1.13 (0.53, 2.43)

0.75

  1. aDifferences between intervention and control groups using chi squared test
  2. bLogistic regression, intervention vs control group, adjusted for age, body mass index, town cluster, and baseline WOMAC pain score