Effectiveness of Facebook-Delivered Lifestyle Counselling and Physical Activity Self-Monitoring on Physical Activity and Body Mass Index in Overweight and Obese Adolescents: A Randomized Controlled Trial

Table 1

Background characteristics of participants in the Facebook-delivered lifestyle counselling + activity monitoring group (Fb + Act), Facebook-delivered lifestyle counselling group (Fb), and control group.

	Fb + Act	Fb	Control	value
	( = 15)	( = 16)	( = 15)
Gender
Boys () %	(5) 33	(5) 31	(4) 27	0.921
Girls () %	(10) 67	(11) 69	(11) 73
Family
Nuclear family () %	(9) 60	(12) 75	(11) 73	0.443
Other () %	(6) 40	(4) 25	(4) 27
Age, years, mean (SD)	14.8 (0.8)	14.8 (0.8)	14.7 (0.8)	0.916
Weight, kg, mean (SD)	82.9 (26.6)	76.5 (15.5)	71.3 (12.8)	0.464
Height, cm, mean (SD)	166 (8.8)	166 (7.3)	162 (6.8)	0.420
BMI, mean ± (SD), kg/m^2	29.7 (8.1)	27.5 (4.2)	27.0 (3.8)	0.904

value for the differences between groups, khii² for gender and family, and Kruskal-Wallis for age, weight, and height. SD: standard deviation; BMI: body mass index.