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. 2014 Nov 10;2(4):e48. doi: 10.2196/mhealth.3420

Table 4.

Change in outcome variables from baseline to 12 weeks.


Minimal intervention Intensive intervention P value (between group differences)

mean (SD) mean (SD)
Height (cm) 1.5 (1.0) 1.6 (1.1) .843
Weight (kg) 0.94 (2.1) 1.4 (1.7) .536
BMIa (kg/m2) −0.86 (1.1) 0.28 (1.0) .369
BMI z-score 0.016 (0.19) 0.00 (0.14) .773
BMI percentile 1.01 (6.1) 0.27 (1.9) .455
Waist circumference (cm) 0.85 (4.0) 1.3 (2.8) .764
Body fat percent −0.24 (1.9) 0.69 (2.4) .275
CDI-Sb −1.1 (4.0) −3.4 (8.4) .378
Physical activity enjoyment −0.09 (0.17) −0.01 (0.29) .391
Sedentary time (weekday hours) 0.0 (3.2) −0.59 (3.9) .617
Sedentary time (weekend hours) −1.2 (4.0) −1.1 (5.5) .941
Total calorie consumption 96.2 (682.4) −310.6 (569.1) .200
% calories from fat −1.8 (6.7) −0.06 (7.2) .483
% calories from protein 0.78 (2.6) 0.59 (2.3) .976
% calories from carb 1.0 (5.7) −0.37 (7.2) .323
Steps/dayc, mean (SE) 1427.6 (583.0) 2832.8 (604.9) .102

aBMI: body mass index

bCDI-S: Child Depression Inventory-Short Form

cRepresents the average change in weekly steps/day across 12 weeks