Time | Short term | Long term | Short + long term |
---|
Response measure | ES 95% CI | ES 95% CI | ES 95% CI |
---|
Physical activity | 0.36 (0.24,0.47) | 0.25 (0.13,0.38) | 0.31 (0.23,0.40) |
  35 trials | 30 reports | 17 reports | 47 reports |
Diet | 0.41 (0.20,0.62) | 0.19 (0.07,0.31) | 0.29 (0.16,0.42) |
  26 trials | 20 reports | 15 reports | 35 reports |
PA + Diet | 0.37 (0.26,0.48) | 0.24 (0.15,0.33) |  |
  61 trials | 50 reports | 32 reports | 82 reports |
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Abbreviations: RCT: randomized controlled trial; ES: effect size; CI: confidence interval; PA: physical activity
- Results from a systematic review of 48 RCTs of behaviour change interventions with ≥ 12 weeks’ duration, published from January 2007 to October 2014 for adults (mean age ≥ 40 years and with a mean BMI ≥ 30) according to type of behaviour and time of data collection (p < 0.0001). Short term represents outcome reports at ≤ 6 months in time, and long term represents reports at ≥ 12 months