Table 4

Regression analysis of outcomes before and after intervention (n = 375)
Outcome Coefficient1 95% Confidence interval pvalue Correlation2
Strength exercise 3 1.075 (0.559, 1.591) < 0.001 0.417
Walking 3 0.909 (0.094, 1.724) 0.029 0.314
Moderate activity 3 0.416 (−0.142, 0.974) 0.144 0.387
Vigorous activity 3 0.664 (0.128, 1.199) 0.015 0.405
Sitting time 4 −0.215 (−0.312, -0.117) < 0.001 0.583
Frequent fruit intake 3 0.921 (0.236, 1.607) 0.008 0.400
Frequent vegetable intake 3 0.424 (−0.403, 1.251) 0.314 0.275
Fibre intake 5 0.716 (−0.115, 1.546) 0.091 0.742
Fat avoidance 4 0.057 (0.028, 0.085) < 0.001 0.843
Fat intake 5 −0.345 (−0.639, -0.051) 0.021 0.637

1 effect of group by time interaction, adjusted for age, gender, relationship status, work status, co-morbidity, education level, financial struggle, alcohol drinking, smoking status, group (intervention/control) and time (baseline/post).

2 exchangeable correlation estimate.

3 logistic generalized estimating equation model.

4 gamma generalized estimating equation model with log link.

5 normal generalized estimating equation model with identity link.

Burke et al.

Burke et al. International Journal of Behavioral Nutrition and Physical Activity 2013 10:14   doi:10.1186/1479-5868-10-14

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