Table 3 Children’s screen-time, and change in screen-time by study arm
Screen-time variables | Study arm | Mean (SD) minutes/day at baseline (week 0) | Mean (SD) minutes/day at post-intervention (week 13) | Difference in means (95% CI) |
|---|---|---|---|---|
School day TV/DVD viewing | ST and Snacking | 198.00 (169.82) | 168.33 (255.43) | −27.25 (−92.85, 38.35) |
ST only | 166.20 (193.34) | 130.76 (138.05) | −35.44 (− 107.35, 36.47) | |
Snacking only | 118.57 (155.02) | 139.61 (168.50) | 19.61 (−112.43, 151.66) | |
Control | 119.13 (142.26) | 123.80 (99.00) | 4.66 (−85.52, 94.85) | |
Weekend TV/DVD viewing | ST and Snacking | 215.90 (141.89) | 160.61 (105.46) | −47.25 (−88.33, −6.16) |
ST only | 161.48 (107.74) | 147.88 (103.44) | −13.60 (−74.61, 47.41) | |
Snacking only | 115.71 (97.46) | 145.76 (122.76) | 30.38 (−46.85, 107.62) | |
Control | 132.26 (62.67) | 152.93 (91.66) | 20.66 (−11.70, 53.03) | |
School day computer games | ST and Snacking | 84.70 (177.13) | 54.73 (150.16) | −23.52 (− 131.68, 84.62) |
ST only | 93.69 (132.15) | 32.52 (53.22) | −58.34 (−117.78, 1.08) | |
Snacking only | 49.00 (47.97) | 59.61 (63.65) | 6.84 (−32.71, 46.40) | |
Control | 69.64 (104.26) | 59.28 (73.98) | −10.35 (−75.95, 55.24) | |
Weekend day computer games | ST and Snacking | 137.05 (246.39) | 88.00 (177.39) | −33.52 (− 148.29, 81.23) |
ST only | 107.82 (98.86) | 60.04 (88.77) | −42.56 (−88.00, 2.87) | |
Snacking only | 89.00 (76.79) | 88.84 (105.97) | 11.46 (−72.98, 95.90) | |
Control | 110.00 (125.88) | 75.00 (102.04) | −35.00 (−92.14, 22.14) | |
School day smartphone use | ST and Snacking | 52.69 (60.78) | 58.50 (80.52) | 15.38 (−32.36, 63.13) |
ST only | 57.66 (95.71) | 83.75 (135.38) | 15.66 (−6.70, 38.03) | |
Snacking only | 31.50 (85.10) | 11.30 (20.83) | −22.61 (− 67.78, 22.55) | |
Control | 50.35 (65.94) | 46.15 (49.55) | −8.07 (−49.38, 33.23) | |
Weekend day smartphone use | ST and Snacking | 47.50 (56.06) | 57.89 (96.02) | 31.25 (−24.40, 86.90) |
ST only | 49.33 (71.59) | 81.00 (112.92) | 27.60 (−17.83, 73.03) | |
Snacking only | 98.35 (36.88) | 28.15 (58.51) | −77.76 (−277.11, 121.57) | |
Control | 51.07 (84.31) | 43.46 (49.47) | −11.53 (−65.62, 42.54) |