Author | Country | Characteristics | Follow-up time | Predictor variable: Physical activity | Outcome of interest | Main results |
---|---|---|---|---|---|---|
Bell et al. (2014) [25] | UK, Whitehall II study | N = 3670, 73% male, 55.5 ± 6.0 years | 10 years; Baseline 1997–1999 Follow-up: 2002–2004, 2007–2009 | Self-reported, duration of MVPA (h/wk) | Incident obesity | OR [95% CI]: low level PA as referencea: |
Â-Low: 0–1.5 | -High level PA 0.64 [0.44, 0.93] after 5 years | |||||
-Intermediate: 1.56–4.25 | ||||||
-High: 4.27–20.56 | -High level PA 0.63 [0.45, 0.88] after 10 years | |||||
Montgomerie et al. (2014) [26] | Australia | N = 1521, 50.6% male, age 44.6 ± 16.22 years | 2898.9 ± 402.29 days Baseline: 1999–2003, follow-up: 2004–2006, 2008–2010 | Self-reported, score: frequency x time per session x intensity | Incident obesity | RR [95% CI]: Association between physical inactivity & incident obesityb: |
-Inactive: < 100 sedentary, 100–1600 low | ||||||
-1.42 [1.03, 1.95] p = 0.030 | ||||||
-Active: 1600–3200 moderate, > 3200 high | ||||||
Pavey et al. (2016) [27] | Australia | N = 2735 women, 24.6 (20.6–28.5) years | 12 years Baseline: 2000 Follow-up: 2012 | Self-reported, score (MET-min/wk) | Change in BMI category | OR [95% CI]: increasing cumulative PA with very low activity as referencec: |
-Very low (< 250) | ||||||
-Transition to obesity: 0.73 [0.59, 0.90], p < .05 OR [95% CI], very high cumulative PA with very low activity as referencec: | ||||||
-Low (250 to < 500) | ||||||
-Active (500 to < 1000) | ||||||
-Very active (> 1000) | ||||||
-Transition to obesity 0.52 [0.30, 0.92], p < .05 |