Table 1 Characteristics of participants by indicators of socioeconomic status at baseline, the CHAMP study
Characteristics | Education | Occupation | Income | Housing tenure | Tertile groups of cumulative SES | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
High (n = 185) | Intermediate (n = 654) | Low (n = 688) | High (n = 464) | Intermediate (n = 578) | Low (n = 485) | High (n = 686) | Intermediate (n = 255) | Low (n = 586) | Owner (n = 1368) | Other (n = 159) | High (n = 769) | Intermediate (n = 319) | Low (n = 439) | |
Age, years | 77.1 ± 5.1 | 77.3 ± 5.5 | 77.6 ± 5.5 | 77.5 ± 5.5 | 77.4 ± 5.7 | 77.4 ± 5.3 | 77.6 ± 5.7 | 77.2 ± 5.3 | 77.3 ± 5.2 | 77.5 ± 5.5 | 77 ± 5.5 | 77.4 ± 5.6 | 77.9 ± 5.6 | 77.1 ± 5.1 |
Age categories, % | ||||||||||||||
 70–79 (n = 1085) | 71.4 | 72.1 | 70.1 | 70.4 | 72.5 | 70.1 | 66.9 | 74.9 | 74.4 | 70.2 | 79.1 | 70.1 | 67.4 | 75.6 |
 80+ (n = 441) | 28.6 | 27.9 | 29.9 | 29.6 | 27.5 | 29.9 | 33.1 | 25.1 | 25.6 | 29.8 | 20.9 | 29.9 | 32.6 | 24.4 |
Country of birth, % | ||||||||||||||
 Australian-born (n = 780) | 64.9 | 59.6 | 39.2 | 68.1 | 46.0 | 40.8 | 63.1 | 63.5 | 31.6 | 51.3 | 49.1 | 64.6 | 49.8 | 28.2 |
 Other (n = 747) | 35.1 | 40.4 | 60.8 | 31.9 | 54.0 | 59.2 | 36.9 | 36.5 | 68.4 | 48.7 | 50.9 | 35.4 | 50.2 | 71.8 |
Marital status, % | ||||||||||||||
 Single (n = 76) | 7.0 | 4.4 | 4.9 | 5.2 | 5.2 | 4.5 | 4.8 | 5.5 | 4.9 | 4.2 | 11.3 | 4.7 | 6.6 | 4.3 |
 Married/Defacto (n = 1175) | 81.1 | 75.5 | 77.2 | 79.7 | 73.4 | 78.6 | 78.6 | 76.9 | 75.1 | 79.8 | 52.8 | 79.3 | 73.0 | 75.6 |
 Widowed/divorced (n = 276) | 11.9 | 20.0 | 17.9 | 85.1 | 78.0 | 81.6 | 82.2 | 79.2 | 81.2 | 16.0 | 35.8 | 16.0 | 20.4 | 20.0 |
Living alone, % (n = 285) | 17.3 | 20.0 | 17.7 | 14.9 | 22.0 | 18.4 | 17.8 | 20.8 | 18.8 | 17.0 | 33.3 | 17.4 | 20.7 | 19.4 |
Alcohol, % | ||||||||||||||
 Abstainer (n = 353) | 27.6 | 21.1 | 23.8 | 20.7 | 23.4 | 25.2 | 20.6 | 22.0 | 26.6 | 22.1 | 31.4 | 20.9 | 24.5 | 26.0 |
 Moderate drinker (n = 1053) | 65.4 | 71.3 | 67.7 | 70.3 | 68.3 | 68.5 | 70.6 | 67.8 | 67.6 | 70.0 | 60.4 | 70.2 | 68.3 | 67.2 |
 Heavy drinker (n = 121) | 7.0 | 7.6 | 8.4 | 9.1 | 8.3 | 6.4 | 8.9 | 10.2 | 5.8 | 7.9 | 8.2 | 8.8 | 7.2 | 6.8 |
Smoking, % | ||||||||||||||
 Non-smoker (n = 562) | 49.7 | 38.4 | 31.8 | 43.5 | 34.8 | 32.8 | 40.7 | 36.1 | 32.6 | 36.8 | 37.1 | 42.0 | 37.0 | 27.6 |
 Ex-smoker (n = 873) | 47.6 | 57.0 | 59.9 | 51.5 | 59 | 60.4 | 56.0 | 60.4 | 57.2 | 57.5 | 54.7 | 54.5 | 57.1 | 62.0 |
 Current smoker (n = 92) | 2.7 | 4.6 | 8.3 | 5.0 | 6.2 | 6.8 | 3.4 | 3.5 | 10.2 | 5.8 | 8.2 | 3.5 | 6.0 | 10.5 |
Physical activity, % | ||||||||||||||
 Active (n = 1161) | 72.4 | 80.1 | 73.1 | 75.6 | 77.2 | 75.1 | 77.3 | 76.9 | 74.2 | 78.1 | 57.9 | 78.2 | 75.5 | 72.7 |
 Inactive (n = 366) | 27.6 | 19.9 | 26.9 | 24.4 | 22.8 | 24.9 | 22.7 | 23.1 | 25.8 | 21.9 | 42.1 | 21.8 | 24.5 | 27.3 |
BMI, kg/m2 | 26.7 ± 3.9 | 27.7 ± 3.9 | 28.1 ± 4.1 | 27.3 ± 3.7 | 27.7 ± 3.9 | 28.2 ± 4.4 | 27.7 ± 3.7 | 27.4 ± 4.3 | 28 ± 4.2 | 27.8 ± 3.8 | 27.4 ± 5.5 | 27.4 ± 3.8 | 28.2 ± 3.9 | 28.2 ± 4.4 |
BMI categories, % | ||||||||||||||
 Underweight/normal (n = 370) | 34.1 | 22.9 | 22.8 | 28.2 | 22.1 | 22.9 | 23.5 | 28.2 | 23.4 | 23.2 | 32.7 | 26.8 | 19.1 | 23.5 |
 Overweight (n = 748) | 47.6 | 52.1 | 46.4 | 46.8 | 52.6 | 46.8 | 49.9 | 48.2 | 48.3 | 50.1 | 39.6 | 49.2 | 53.3 | 45.6 |
 Obese (n = 409) | 18.4 | 24.9 | 30.8 | 25.0 | 25.3 | 30.3 | 26.7 | 23.5 | 28.3 | 26.7 | 27.7 | 24.1 | 27.6 | 31.0 |