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Table 6 Cardiovascular disease (CVD) risk from the Meta-Salud Diabetes cluster randomized trial at 3 and 12 months post intervention

From: The mixed model for repeated measures for cluster randomized trials: a simulation study investigating bias and type I error with missing continuous data

Month

Nint missing (%)

Nctl missing (%)

CVD risk (%) intervention N = 293

CVD risk (%) control N = 225

Difference (95% CI)

p value

0

1 (0.3)

6 (2.7)

21.0 (18.5, 23.6)

22.9 (20.1, 25.7)

  

3

47 (16.0)

33 (14.7)

19.1 (16.6, 21.7)

24.0 (21.2, 26.8)

4.8 (1.2, 8.5)

0.01

12

61 (20.8)

31 (10.7)

19.3 (16.8, 21.9)

23.2 (20.5, 26.0)

3.9 (0.3, 7.4)

0.03