Table 2.

Meta-analysis results for different transformations simulating dose–response relationships

	Walking		Cycling
Dose–response	Relative risk	95% CI	Relative risk	95% CI
Linear	0.89	0.83-0.96	0.90	0.87-0.94
Log-linear	0.90	0.85-0.95	0.90	0.86-0.94
0.75 power	0.90	0.85-0.95	0.89	0.85-0.93
0.50 power	0.90	0.86-0.94	0.87	0.83-0.91
0.375 power	0.90	0.86-0.94	0.86	0.81-0.91
0.25 power	0.90	0.86-0.94	0.84	0.79-0.90

Relative risks and 95% confidence interval estimated at 11.25 MET. hours per week.