Table 1. Study characteristics.
| Study | Country | Study design | Intervention and control groups | Number of participants | Total attrition | Sex of participants | Mean age of participants (SD) | PA outcomes | SB outcomes | Assessment |
|---|---|---|---|---|---|---|---|---|---|---|
| Bayne-Smith et al. (2004) | US | CRT | 1 IV 1 CON |
442 | Not reported |
Only female | - | Self-reported PA no. of sessions per week |
Not targeted or reported | Baseline, Post-IV |
| Gomes de Barros et al. (2009) | Brazil | CRT | 1 IV 1 CON |
2155 | 54.1% | 55.7% female | 18.4 (SD = 2.3) |
Self-reported no. of days per week accumulating 60 min of MVPA |
Not reported | Baseline, Post-IV |
| Hill, Abraham, and Wright (2007) | UK | CRT | 3 IV 1 CON |
620 | 18.9% | 51% female | 16.97 (SD 1.4) |
Self-reported ‘On average over the last three weeks, I have exercised energetically for at least 30 minutes ____ times per week.’ |
Not targeted or reported | Baseline, Post-IV |
| Lee, Kuo, Fanaw, Perng, and Juang (2012) | Taiwan | CRT | 1 IV 1 CON |
94 | 3.2% | Only female | 16.2 (SD 0.4) |
Objectively measured PA (pedometer) Change in aerobic walking (steps/day) |
Not reported | Baseline, Post-IV |
| Lubans and Sylva (2006) | UK | RCT | 1 IV 1 CON |
78 | Post-IV 0% Follow-up 2.6% |
61.5% female | 16.7 (SD 0.5) |
Self-reported MVPA min/week |
Not reported | Baseline, Post-, 3-month follow-up |
| Mauriello et al. (2010) | US | CRT | 1 IV 1 CON |
1800 | Post-IV 20.6% Follow-up 34.3% |
50.8% female | - | Self-reported PA ‘In a typical week, how many days do you do 60 min or more of physical activity?’ |
Self-reported limited TV viewing | Baseline, Post-IV,6- month follow-up, 12-month follow-up |
| Neumark-Sztainer et al. (2010) | US | CRT | 1 IV 1 CON |
356 | Post-IV 3.1% Follow-up 5.6% |
Only female | - | Self-reported MVPA (30-min blocks/day) | Self-reported sedentary activity (30-minute blocks/day) | Baseline, Post-IV, 9-month follow-up |
| Schofield, Mummery, and Schofield (2005) | Australia | CRT | 2 IV 1 CON |
85 | Post-IV 20% | Only female | 15.8 (SD 0.8) |
Objectively measured PA (pedometer) 4-d step count |
Not targeted or reported | Baseline, Mid-IV, Post-IV |
| Singhal, Misra, Shah, and Gulati (2010) | India | CRT | 1 IV 1 CON |
209 | Post-IV 3.8% | 40.2% female | IV 16.04 (SD 0.41) CON 16.0 (SD 0.5) |
Self-reported PA > 4 days in a week |
Self-reported watching TV (4–5 h/day) | Baseline, Post-IV |
| Slootmaker, Chinapaw, Seidell, van Mechelen, and Schuit (2010) | The Nether-lands | RCT | 1 IV 1 CON |
87 | Post-IV 21.8% Follow-up 9.2% |
63.2% female | 15.1 (SD not reported) |
Objectively measured MVPA (accelerometer) | Objectively measured sedentary time | Baseline, Post-IV, 8-month follow-up |
IV: Short for intervention.
CON: Short for control.