approaching significancep=0.056
An ANCOVA on complete cases for the 12-month weight change adjusted for baseline weight, gender and age showed an effect approaching significance p=0.056 reflecting a difference between the C-IW group of −2.2 kg (95% CI −4.6 to 0.1 kg, p=0.068) compared with differences between the C-I groups −1.9 kg (95% CI −4.5 to 0.7 kg, p=0.228) and the I and IW groups −0.3 kg (95% CI −2.8 to 2.2 kg, p=1.00).