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Table 3 Full table of outcome variables Genie in COPD (median, IQR in square brackets)

From: Findings from a pilot randomised trial of a social network self-management intervention in COPD

Outcome

Intervention group Pre

Intervention Group Post

Intervention group Difference (Post-pre)

Control group Pre

Control group Post

Control group Difference (post-pre)

Diff in Diff a

Significance

Baseline

Follow up

 

Baseline

Follow up

   

CAT

21 [16, 26]

21 [16, 24]

-1 [−5, 2]

18 [10, 22]

15 [10, 25]

0 [−3, 1]

349

p = 0.49

GAD-7

2.5 [1.0, 8.8]

3.5 [1.0, 5.0]

−0.5 [− 3.5, 0.8]

2.5 [1.0, 5.8]

4.0 [1.0, 6.0]

0.0 [−1.0, 3.0]

280

p = 0.10

PHQ9

5.5 [3.0, 12.8]

5.5 [2.5, 10.0]

−1 [−3.0, 2.0]

4.0 [2.0, 6.8]

4.0 [1.0, 8.0]

0.0 [−1.0, 2.0]

317

p = 0.32

EQ-5D

0.56 [0.37, 0.71]

0.62 [0.53, 0.69]

0.04 [−0.08, 0.21]

0.64 [0.45, 0.76]

0.67 [0.39, 0.77]

−0.001 [− 0.18, 0.10]

484

P = 0.13

  1. aMann Whitney test is used to calculate control group and intervention group differences in the differences present before and after the intervention