Variables | Item | Betel quid chewers | |||||||
---|---|---|---|---|---|---|---|---|---|
 |  | Male | Female | ||||||
 |  | Adjusted sample size | % | 95% Confidence Interval | P-value | Adjusted sample size | % | 95% Confidence Interval | P-value |
Total | Â | 5922 | 20.9 | (19.2, 22.6) | Â | 5747 | 1.2 | (1.0, 1.6) | Â |
Age group | 18–34 | 2682 | 21.0 | (18.1, 24.2) | <.0001 | 2597 | 0.6 | (0.4, 1.1) | 0.0017 |
 | 35–49 | 1790 | 23.9 | (21.0, 27.0) |  | 1769 | 1.6 | (1.0, 2.6) |  |
 | 50–64 | 919 | 20.8 | (18.5, 23.3) |  | 925 | 1.7 | (1.2, 2.3) |  |
 | 65 and above | 531 | 10.4 | (8.9, 12.2) |  | 456 | 2.3 | (1.7, 3.1) |  |
Education # | Literate | 283 | 19.0 | (15.3, 23.3) | <.0001 | 653 | 2.2 | (1.7, 2.9) | <.0001 |
 | Primary school | 921 | 26.4 | (23.3, 29.7) |  | 1153 | 2.8 | (2.1, 3.6) |  |
 | Junior high school | 1021 | 32.1 | (27.6, 36.9) |  | 802 | 1.1 | (0.6, 1.9) |  |
 | Senior high school | 2100 | 25.6 | (22.3, 29.3) |  | 1775 | 0.9 | (0.4, 2.1) |  |
 | College and above | 1571 | 4.6 | (3.2, 6.5) |  | 1345 | 0.0 | (0.0, 0.1) |  |
Occupation # | Unemployed or non-technical | 2903 | 19.5 | (17.3, 21.9) | <.0001 | 3893 | 1.4 | (1.1, 1.8) | 0.0731 |
 | Technical | 1488 | 29.8 | (26.4, 33.4) |  | 649 | 1.5 | (1.0, 2.2) |  |
 | Semi-professional | 865 | 18.2 | (13.8, 23.7) |  | 895 | 0.7 | (0.1, 3.6) |  |
 | Managerial/professional and above | 561 | 7.4 | (4.1, 13.1) |  | 310 | 0.0 | (0.0, 0.1) |  |
Ethnicity # | Aborigines | 111 | 54.3 | (44.9, 63.5) | <.0001 | 106 | 33.8 | (28.1, 39.9) | <.0001 |
 | Non-aborigines | 5797 | 20.2 | (18.6, 22.0) |  | 5631 | 0.6 | (0.4, 1.0) |  |
Cigarette smoker # | Yes | 2979 | 37.1 | (34.2, 40.1) | <.0001 | 190 | 14.8 | (8.6, 24.1) | <.0001 |
 | No | 2918 | 4.4 | (3.5, 5.5) |  | 5553 | 0.8 | (0.6, 0.9) |  |
Alcohol drinker | Yes | 815 | 51.7 | (46.3, 57.2) | <.0001 | 60 | 21.0 | (14.5, 29.4) | <.0001 |
 | No | 5107 | 16.0 | (14.4, 17.7) |  | 5687 | 1.0 | (0.8, 1.4) |  |