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Table 3 Relative risks for IHD, stroke, diabetes and all-cause mortality

From: Equity impacts of interventions to increase physical activity among older adults: a quantitative health impact assessment

Outcome Original RRs as presented in publications Transformed relative risks
0 < 11.25 MET-hours/week ≥11.25 < 22.5 MET-hours/week ≥22.5 MET-hours/week
IHD 11.25 MET-hours/week increase: RR = 0.77
[52] 1
1.00 (m, f) 0.77 (m, f) 0.73 (m, f)
Stroke 11.25 MET-hours/week increase: RR = 0.78
[52] 1
1.00 (m, f) 0.78 (m, f) 0.74 (m, f)
Diabetes 11.25 MET-hours/week increase: RR = 0.73
[52] 1
1.00 (m, f) 0.73 (m, f) 0.68 (m, f)
All-cause mortality 0 MET-hours/week: RR = 1 (m, f);
0.1 < 7.5 MET-hours/week: RR = 0.82 (m), RR = 0.77 (f);
7.5 < 15 MET-hours/week: RR = 0.71 (m), 0.67 (f);
15 < 22.5 MET-hours/week: RR = 0.63 (m), RR = 0.64 (f);
22.5 < 40 MET-hours/week: RR 0.61 (m), RR = 0.60 (f);
[53] 2
1.00 (m, f) 0.70 (m),
0.68 (f)
0.61 (m),
0.64 (f)
  1. IHD Ischemic heart disease; MET Metabolic equivalent of task; m Males; f Females; RR Relative risks.
  2. 1 All of the studies underlying the meta-analysis are adjusted for multiple potential confounding variables, but not all confounders were adjusted for in every study; the estimate from meta-analysis was unadjusted for BMI
  3. 2 Adjusted for smoking, alcohol, education, marital status, history of cancer, history of heart disease and BMI