| Variable | Total sample | Male | Female | Total |
| | N | n | % (95% CI) | N | % (95% CI) | N | % (95% CI) |
| All | 29965 | 4040 | 31.0 (30.2, 31.9) | 4925 | 35.4 (34.6, 36.3) | 8965 | 33.4 (32.7, 34.0) |
| Age group | | | | | | | |
| 18-29 | 8488 | 535 | 13.9 (12.8, 15.2) | 433 | 9.3 (8.4, 10.2) | 968 | 11.6 (10.9, 12.4) |
| 30-39 | 8444 | 804 | 19.2 (17.8, 20.5) | 834 | 19.5 (18.2, 20.9) | 1638 | 19.3 (18.4, 20.3) |
| 40-49 | 5586 | 874 | 31.3 (29.5, 33.2) | 1093 | 39.1 (37.2, 41.1) | 1967 | 35.6 (34.3, 37.0) |
| 50-59 | 3834 | 809 | 45.6 (43.1, 48.2) | 1167 | 56.7 (54.4, 59.0) | 1967 | 51.3 (49.5, 53.0) |
| 60-69 | 2105 | 582 | 58.1 (54.7, 61.4) | 730 | 66.0 (62.8, 69.0) | 1312 | 62.1 (59.8, 64.4) |
| 70 or more | 1508 | 436 | 67.1 (63.1, 70.9) | 668 | 79.3 (76.0, 82.3) | 1104 | 74.1 (71.5, 76.4) |
| | | | P- trend <0.001 | | P- trend <0.001 | | P- trend <0.001 |
| Education | | | | | | | |
| None | 1568 | 200 | 47.2 (41.8, 52.6) | 699 | 59.3 (56.0, 62.5) | 899 | 56.1 (53.2, 58.8) |
| Elementary | 9741 | 1525 | 36.8 (35.2, 38.4) | 2292 | 45.2 (43.8, 46.7) | 3817 | 41.5 (40.4, 42.6) |
| High school | 14305 | 1736 | 25.7 (24.6, 26.9) | 1537 | 24.6 (23.5, 25.8) | 3273 | 25.2 (24.4, 26.0) |
| Higher education | 4294 | 567 | 30.1 (27.9, 32.5) | 365 | 20.0 (18.1, 22.1) | 932 | 25.1 (23.4, 26.6) |
| | | | P- trend <0.001 | | P- trend <0.001 | | P- trend <0.001 |
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