A 12-month follow-up of a mobile-based (mHealth) obesity prevention intervention in pre-school children: the MINISTOP randomized controlled trial

Table 2 Differences between the 6-month and 12-month follow-up and baseline in body composition dietary, and physical activity variables for the intervention and control group

	Difference between 6-month follow-up and baseline			Difference between 12-month follow-up and baseline
	Intervention (n = 143) Mean ± SD	Control (n = 138) Mean ± SD	p-value^a	Intervention (n = 133) Mean ± SD	Control (n = 130) Mean ± SD	p-value^a
Weight (kg)	+ 1.42 ± 0.81	+ 1.26 ± 0.61	0.43	+ 2.61 ± 1.22	+ 2.34 ± 0.95	0.08
Height (cm)	+ 4.29 ± 1.08	+ 4.32 ± 1.16	0.72	+ 7.53 ± 1.61	+ 7.60 ± 1.41	0.25
FMI (kg/m²)	− 0.23 ± 0.56	− 0.20 ± 0.49	0.92	−0.76 ± 0.66	−0.82 ± 0.57	0.57
FFMI (kg/m²)	+ 0.15 ± 0.55	+ 0.01 ± 0.53	0.04	+ 0.70 ± 0.67	+ 0.56 ± 0.58	0.05
Sedentary (min/day)^b	+ 3.6 ± 48.0	− 1.6 ± 55.0	0.18	+ 13.8 ± 51.4	+ 7.9 ± 58.4	0.22
Sedentary time (%/wear time)^b	− 0.5 ± 4.9	−0.6 ± 5.0	0.39	−0.3 ± 5.1	−0.5 ± 5.6	0.43
MVPA (min/day)^b	+ 9.3 ± 24.2	+ 9.8 ± 22.2	0.59	+ 14.6 ± 25.5	+ 15.8 ± 24.9	0.43
MVPA (%/wear time)^b	+ 0.9 ± 2.8	+ 1.1 ± 2.5	0.39	+ 1.3 ± 2.8	+ 1.6 ± 2.8	0.38
Fruit (g/day)^c	+ 2.9 ± 78.9	−12.1 ± 87.9	0.26	+ 4.3 ± 81.2	−10.0 ± 84.5	0.17
Vegetables (g/day)^c	−6.7 ± 42.1	−3.6 ± 39.7	0.54	+ 59.5 ± 42.8	+ 51.3 ± 39.9	0.10
Candy (g/day)^c	−0.7 ± 19.9	+ 3.1 ± 18.5	0.11	+ 1.3 ± 23.3	+ 3.9 ± 18.2	0.23
Sweetened beverages (ml/day)^c	−12 ± 85	+ 8 ± 83	0.05	− 4 ± 100	+ 9 ± 128	0.71
Composite score^d	+ 0.36 ± 1.47	−0.06 ± 1.33	0.02	+ 0.53 ± 1.49	+ 0.35 ± 1.27	0.25

n Number of children, SD Standard deviation, FMI, Fat mass index, MVPA Moderate-to-vigorous- physical activity
^aDifference between intervention and control group assessed using Wilcoxon rank-sum test
^bThe number of recording days for physical activity at the 6-month follow-up and the 12-month follow-up were: 6.4 ± 1.3 days, and 6.5 ± 1.1 days (intervention) and 6.6 ± 1.0 days and 6.5 ± 1.1 days (control), respectively
^cThe number of recording days for food at the 6-month follow-up and the 12-month follow-up were: 3.7 ± 0.6 days and 3.6 ± 0.8 days (intervention) and 3.7 ± 0.6 days, and 3.7 ± 0.6 days (control), respectively
^dIncludes the scores for FMI, the intakes of fruits, vegetables, candy, and sweetened beverages, MVPA, and sedentary behavior

ISSN: 1471-2458