Table 1.
Characteristics of study areas and participants in lower and higher SES areas
| N, Mean (SD), or % | |||
|---|---|---|---|
| Lower SES | Higher SES | Total | |
| N (suburbs) | 347 | 346 | 693 |
| IRSD score | 974 (57) | 1080 (25) | 1040 (67) |
| IRSD median [range] | 993 [714, 1034] | 1081 [1035, 1140] | 1035 [714, 1140] |
| Suburb geographic size, km2 | 21.4 (49.9) | 9.8 (22.2) | 14.6 (36.7) |
| Population density, persons/ha | 14.1 (10.6) | 15.2 (11.7) | 14.8 (11.3) |
| N (participants) | 1,341 | 1,920 | 3,261 |
| Age | 61.4 (11.7) | 60.3 (10.8) | 60.8 (11.2) |
| Gender, % women | 56.5 | 54.3 | 55.2 |
| Education status | |||
| % high school or less | 38.6 | 25.9 | 31.1 |
| % technical or vocational | 43.8 | 43.9 | 43.8 |
| % Bachelor’s degree or higher | 17.7 | 30.2 | 25.1 |
| Employment status, % working | 49.0 | 56.0 | 53.1 |
| Household income, % | |||
| % <$600 pw | 22.2 | 12.2 | 16.3 |
| % $600–1500 pw | 36.5 | 32.4 | 34.1 |
| % >$1500 pw | 28.6 | 44.7 | 38.1 |
| % Not reported | 12.7 | 10.7 | 11.5 |
| Waist circumference, cm | 94.8 (13.8) | 93.9 (13.8) | 94.3 (13.8) |
| Greenness a | |||
| 0.5 km buffer | 0.43 (0.10) | 0.46 (0.14) | 0.45 (0.13) |
| 1 km buffer | 0.44 (0.11) | 0.46 (0.14) | 0.45 (0.13) |
| 2 km buffer | 0.45 (0.11) | 0.45 (0.14) | 0.45 (0.13) |
| Geographic size of greenspace b, ha | |||
| 0.5 km buffer | 12.6 (14.5) | 19.8 (20.4) | 16.8 (18.5) |
| 1 km buffer | 60.1 (58.6) | 86.0 (80.2) | 75.4 (73.2) |
| 2 km buffer | 282.0 (247.0) | 354.0 (305.0) | 324.0 (285.0) |
a Mean NDVI; b Area with NDVI ≥ 0.6