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 3
Measurements at baseline (pre) and after 12 weeks (post) for self-reported physical activity and screen time. Mean values (standard deviation).
Measure
Fb + Act
Fb
Control
Pre
Post
Post-pre
Pre
Post
Post-pre
Pre
Post
Post-pre
(n = 15)
(n = 14)
(n = 14)
(n = 16)
(n = 16)
(n = 16)
(n = 15)
(n = 14)
(n = 14)
Self-reported physical activity and screen time
Self-reported physical activity, days out of past seven with at least 60 min MVPA
3.0 (1.8)
4.5 (1.7)
1.4 (2.9)
3.3 (1.8)
3.3 (1.8)
0.1 (1.5)
3.2 (1.3)
3.3 (1.0)
−0.1 (1.7)
Weekday screen time average hours/day
Total
3.8 (1.9)
4.2 (2.3)
0.3 (1.8)
4.0 (2.7)
4.3 (3.9)
0.2 (1.9)
3.9 (2.2)
3.5 (1.8)
−0.5 (1.8)
Watching television, DVDs, or videos
1.4 (0.7)
1.5 (1.2)
0.7 (0.9)
1.5 (1.5)
1.4 (1.2)
−0.1 (0.9)
1.4 (1.0)
1.4 (0.9)
−0.1 (0.8)
Playing computer or video/console games
0.8 (1.0)
0.8 (1.0)
−0.1 (0.7)
1.0 (1.2)
1.3 (1.7)
0.3 (1.4)
0.7 (1.0)
0.5 (0.8)
−0.1 (1.4)
Computer use for reasons other than playing
1.5 (1.2)
2.0 (1.3)
0.4 (1.2)
1.6 (1.0)
1.7 (1.3)
0.1 (0.9)
1.8 (1.4)
1.6 (1.5)
−0.2 (0.9)
Weekend screen time average hours/day
Total
6.1 (2.2)
5.7 (2.8)
−0.4 (1.1)
6.3 (3.3)
6.0 (3.9)
−0.3 (2.4)
5.6 (2.1)
4.8 (2.2)
−0.7 (1.9)
Watching television, DVDs, or videos
2.4 (1.1)
1.9 (1.2)
−0.6 (1.1)
2.4 (1.8)
1.9 (1.3)
−0.5 (1.0)
1.8 (1.3)
1.9 (1.2)
−0.0 (1.0)
Playing computer or video/console games
1.5 (1.6)
1.5 (1.4)
−0.1 (1.4)
1.8 (1.8)
1.8 (1.9)
−0.1 (1.8)
1.1 (1.1)
0.7 (1.1)
−0.4 (1.3)
Computer use for reasons other than playing
2.3 (1.5)
2.3 (1.5)
−0.1 (1.8)
2.0 (1.4)
2.3 (1.4)
0.3 (1.5)
2.5 (1.5)
2.3 (1.5)
−0.3 (0.8)
PA: physical activity; MVPA: moderate to vigorous physical activity.
