Australian Longitudinal Study on Women’s Health older cohort (born 1921–1926) (N = 12 792) | Australian Longitudinal Study on Women’s Health mid-aged cohort (born 1946–1951) (N = 14 078) | |||||
Total N | N (%) cases | OR (95% CI) | Total N | N (%) cases | OR (95% CI) | |
Own occupational class | ||||||
1. Professional and managerial | 1451 | 501 (34.5) | 1 | 3888 | 967 (24.9) | 1 |
2. Para-professional | 749 | 270 (36.1) | 1.09 (0.83 to 1.42) | 1222 | 380 (31.1) | 1.38 (1.12 to 1.71) |
3. Trades and administrative | 2957 | 1074 (36.3) | 1.08 (0.89 to 1.31) | 3657 | 1120 (30.6) | 1.33 (1.15 to 1.55) |
4. Service and sales | 1287 | 463 (36.0) | 1.05 (0.84 to 1.32) | 2123 | 718 (33.8) | 1.55 (1.30 to 1.84) |
5. Manual work/machine operators | 1695 | 602 (35.5) | 1.02 (0.82 to 1.26) | 2034 | 695 (34.2) | 1.57 (1.32 to 1.87) |
Missing | 4653 | 1786 (38.4) | 1.17 (0.98 to 1.40) | 1154 | 384 (33.3) | 1.52 (1.22 to 1.89) |
p Value* | 0.95 | <0.001 | ||||
Head of household occupational class | ||||||
1. Professional and managerial | 3689 | 1326 (35.9) | 1 | 6908 | 1853 (26.8) | 1 |
2. Para-professional | 869 | 305 (35.1) | 0.97 (0.78 to 1.22) | 1193 | 404 (33.9) | 1.38 (1.14 to 1.68) |
3. Trades and administrative | 2370 | 851 (35.9) | 1.01 (0.86 to 1.18) | 2867 | 923 (32.2) | 1.28 (1.11 to 1.47) |
4. Service and sales | 791 | 288 (36.4) | 1.03 (0.81 to 1.29) | 1091 | 389 (35.7) | 1.50 (1.23 to 1.83) |
5. Manual work/machine operators | 1582 | 585 (37.0) | 1.05 (0.88 to 1.25) | 1426 | 512 (35.9) | 1.51 (1.26 to 1.80) |
Missing | 3491 | 1341 (38.4) | 1.12 (0.97 to 1.28) | 593 | 183 (30.9) | 1.21 (0.91 to 1.60) |
p Value* | 0.60 | <0.001 | ||||
Age at leaving full-time education (years) | ||||||
⩾19 | 318 | 89 (28.0) | 1 | 883 | 176 (19.9) | 1 |
17–18 | 1644 | 574 (34.9) | 1.39 (0.94 to 2.04) | 3637 | 859 (23.6) | 1.27 (0.96 to 1.69) |
15–16 | 4911 | 1796 (36.6) | 1.46 (1.01 to 2.11) | 7885 | 2586 (32.8) | 2.01 (1.54 to 2.62) |
⩽14 | 5406 | 2048 (37.8) | 1.57 (1.09 to 2.27) | 1558 | 605 (38.8) | 2.57 (1.90 to 3.46) |
Missing | 513 | 189 (36.8) | 1.47 (0.94 to 2.30) | 115 | 38 (33.0) | 1.76 (0.88 to 3.48) |
p Value* | 0.01 | <0.001 | ||||
Highest educational qualification | ||||||
University degree or higher | 439 | 129 (29.4) | 1 | 1950 | 377 (19.3) | 1 |
Certificate/diploma | 908 | 304 (33.5) | 1.27 (0.89 to 1.83) | 2168 | 621 (28.6) | 1.66 (1.33 to 2.06) |
Trades and apprentice | 426 | 155 (36.4) | 1.44 (0.95 to 2.18) | 489 | 147 (30.1) | 1.78 (1.27 to 2.49) |
High school certificate | 1496 | 529 (35.4) | 1.41 (1.00 to 1.98) | 2344 | 657 (28.0) | 1.59 (1.28 to 1.98) |
School certificate | 4633 | 1734 (37.4) | 1.49 (1.09 to 2.04) | 4427 | 1416 (32.0) | 1.93 (1.59 to 2.34) |
No formal qualifications | 4209 | 1574 (37.4) | 1.47 (1.07 to 2.02) | 2551 | 1003 (39.3) | 2.68 (2.17 to 3.29) |
Missing | 681 | 271 (39.8) | 1.69 (1.16 to 2.47) | 149 | 43 (28.9) | 1.79 (0.99 to 3.24) |
p Value* | 0.02 | <0.001 |
*From test for trend across categories, excluding missing category (italics).
Estimates are weighted to account for stratified sampling by area of residence.