Fixed effects(Traditional measures of association) | | | |
Mean SBP of the city (intercept) | 119 mm Hg | 116 mm Hg | 116 mm Hg |
|
β* (95% CI)
|
β * (95% CI)
|
β * (95% CI)
|
Individual level variables | | | |
Age (years) | 0.76 (0.70 to 0.82) | 0.76 (0.70 to 0.82) | 0.76 (0.70 to 0.82) |
Use of blood pressure lowering drugs (yes v no) | 0.89 (0.77 to 1.01) | 0.88 (0.76 to 1.00) | 1.02 (0.88 to 1.16) |
BMI (kg/m2) | 15.12 (14.43 to 15.81) | 15.12 (14.43 to 15.81) | 15.12 (14.43 to 15.81) |
Individual low income (low v high) | 2.27 (1.72 to 2.82) | 2.27 (1.72 to 2.82) | 2.26 (1.71 to 2.81) |
Area level variables | | | |
Neighbourhood low income (low v high) | | 5.23 (3.19 to 7.27) | 4.47 (2.49 to 6.45) |
Cross level interactions | | | |
Neighbourhood low income × BMI† | | | 0.35 (0.15 to 0.55) |
Random effects(Multilevel measures of health variation) | | | |
Components of variance |
Variance‡(SE)
|
Variance‡(SE)
|
Variance‡(SE)
|
Neighbourhood intercept variance | 27.09 (6.26) | 21.11 (4.7) | 21.02 (4.9) |
Individual level variance | 298.22 (3.34) | 298.03 (3.34) | 298.02 (3.34) |
BMI-SBP slope variance | 0.11 (0.03) | 0.11 (0.03) | 0.09 (0.03) |
BMI related individual SBP variance | 0.16 (0.08) | 0.16 (0.08) | 0.16 (0.08) |
Neighbourhood intercept-slope covariance | 0.99 (0.35) | 0.62 (0.29) | 0.58 (0.27) |
Individual level covariance | 5.24 (0.31) | 5.24 (0.31) | 5.25 (0.31) |
Proportional change in variance (PCV) | PCV | PCV | PCV |
PCV between neighbourhoods | Ref. | 22% | 22% |
PCV between individuals | Ref. | 0% | 0% |
Variance partition coefficient (VPC) | VPC = 0.08 | VPC = 0.07 | VPC = 0.07 |
2×log-likelihood value | 211,024 | 211,006 | 210,996 |