Risk variable | Between town variance | Within town variance | Intra-town correlation |
Continuous variables | |||
Systolic blood pressure | 17.7 | 403.4 | 0.042 |
Serum total cholesterol | 0.0203 | 1.07 | 0.019 |
Body mass index | 0.0473 | 10.32 | 0.005 |
Height | 1.06 | 42.1 | 0.025 |
Categorical variables | |||
Current smoking4-150 | 0.109 | 1.0 | |
Heavy drinking | 0.204 | 1.0 | |
Physical inactivity | 0.108 | 1.0 | |
Manual social class | 0.412 | 1.0 |
↵4-150 Within town variance is set at 1 for categorical binary variables.