Outcomes | Studies, n | OR (95% CI) | Heterogeneity | |
---|---|---|---|---|
P-value | I2, % | |||
General practice-based studies | ||||
TC17,26,29,31 | 4 | 0.63 (0.50 to 0.79) | 0.09 | 50 |
SBP16,26 | 2 | 0.59 (0.28 to 1.23) | 0.01 | 84 |
DBP16,26,29,31 | 4 | 0.63 (0.53 to 0.74) | 0.25 | 26 |
BMI16,26,29,31 | 4 | 0.89 (0.81 to 0.98) | 0.59 | 0 |
Smoking16,26,27,29,31 | 5 | 0.91 (0.82 to 1.02) | 0.04 | 58 |
Total mortality26–29 | 4 | 1.03 (0.90 to 1.18) | 0.36 | 7 |
CVD mortality27–29 | 3 | 1.30 (1.02 to 1.66) | 0.34 | 7 |
Non-practice-based studies | ||||
Smoking18–20 | 3 | 0.94 (0.87 to 1.03) | 0.34 | 7 |
Total mortality19–24 | 6 | 1.00 (0.93 to 1.08) | 0.05 | 54 |
CVD mortality19–24 | 6 | 1.02 (0.92 to 1.13) | 0.11 | 44 |
BMI = body mass index. CVD = cardiovascular disease. DBP = diastolic blood pressure. SBP = systolic blood pressure. TC = total cholesterol.