Table 1.
Inclusion criteria and derivation of the three analytic samples.
| Criteria | n | Reason for Reduced Numbers |
|---|---|---|
| NWAHS sample (W1) | 4056 | - |
| Geocoded (W1) | 4041 | 15 participants with invalid residential addresses |
| Residing in urban area (W1) | 3887 | 154 participant addresses outside the urban area |
| Participated in Wave 2 | 3362 | 525 participants did not participate in Wave 2 |
| Did not move (W1 to W2) | 2797 | 565 participants moved between Waves 1 and 2 |
| CVD/diabetes free at Wave 1 | 2325 | 472 participants had CVD or Type 2 diabetes at Wave 1 |
| HbA1c data (at least 1 wave) | 2324 | 1 participant lacked at least 1 wave of HbA1c data |
| Covariate data (W1) | 2260 | 64 participants lacked covariate data at Wave 1 |
| Linked local-area data: | Of participants meeting previous criteria | |
| Walkability | 2260 | All participants had linked walkability data |
| Physical inactivity norm | 1926 | 336 participants lacked local physical inactivity norm data |
| Overweight/obesity norm | 1907 | 353 participants lacked local overweight/obesity norm data |
CVD: cardiovascular disease; NWAHS: North West Adelaide Health Study; W1: Wave 1; W2: Wave 2; HbA1c: glycosylated hemoglobin.