Family-based intervention using face-to-face sessions and social media to improve Malay primary school children’s adiposity: a randomized controlled field trial of the Malaysian REDUCE programme

Table 6 Comparison of anthropometric measurements and body fat percentage between study groups, controlling for covariates

Variable	Parameter	F	df1	df2	p-value^a
BMI z-scores
Whole sample	Group	7.050	1	517	0.008^b
(n = 134)	Group x Time	2.817	6	517	0.010^b
Overweight subgroup	Group	9.341	1	201	0.003^b
(n = 55)	Group x Time	1.218	6	201	0.299
Obese subgroup	Group	0.033	1	297	0.855
(n = 79)	Group x Time	6.072	6	297	< 0.001^b
Waist circumference percentile
Whole sample	Group	13.935	1	517	< 0.001^b
(n = 134)	Group x Time	1.410	6	517	0.209
Overweight subgroup	Group	30.245	1	201	< 0.001^b
(n = 55)	Group x Time	1.683	6	201	0.127
Obese subgroup	Group	0.084	1	297	0.772
(n = 79)	Group x Time	3.998	6	297	0.001^b
Body fat percentage
Whole sample-	Group	1.454	1	517	0.228
(n = 134)	Group x Time	0.802	6	517	0.569
Overweight subgroup	Group	0.575	1	201	0.449
(n = 55)	Group x Time	2.526	6	201	0.022^b
Obese subgroup	Group	0.093	1	297	0.760
(n = 79)	Group x Time	0.628	6	297	0.708

^aUsing generalized linear mixed model adjusted for child’s age, child’s gender, parents’ body mass index, mother’s education, father’s education, family income, and child’s baseline data (BMI z-score, waist circumference percentile and body fat percentage respectively)
^bSignificant at p ≤ 0.05

ISSN: 1475-2891