season 2008/2009 | season 2009/2010 | season 2010/2011 | |
---|---|---|---|
Weighted % (95% CI) | Weighted % (95% CI) | Weighted % (95% CI) | |
Gender | |||
male | 16.3 (15.3-17.2) | 21.3 (20.2-22.3) | 16.0 (15–16.9) |
female | 17.6 (16.7-18.5) | 22.3 (21.3-23.3) | 17.5 (16.5-18.4) |
χ 2 | 0.61 | 0.004 | 0.69 |
p value | 0.437 | 0.953 | 0.407 |
Age (years) | |||
18~29 | 13.7 (12.4-15) | 18.7 (17.2-20.1) | 12.3 (11–13.5) |
30~39 | 13 (11.7-14.3) | 16 (14.6-17.4) | 11.4 (10.2-12.6) |
40~49 | 13.3 (12–14.6) | 17.2 (15.6-18.6) | 11.6 (10.4-12.8) |
50~59 | 15.3(13.9-16.6) | 19.5 (18–21) | 14.9 (13.6-16.2) |
≥60 | 36.3 (34.5-38.2) | 46 (44.1-48) | 43.1(41.1-45) |
χ 2 | 729.45 | 973.10 | 1340.82 |
p value | <0.001 | <0.001 | <0.001 |
Educational level | |||
illiteracy | 32.9 (28.2-37.6) | 43.3 (38.3-48.2) | 40.4 (35.5-45.3) |
primary school | 24.6 (22.3-26.8) | 33.7 (31.2-36.2) | 30.7 (28.3-33.1) |
junior high school | 16.1 (14.9-17.3) | 20.6 (19.3-21.9) | 17.5 (16.3-18.8) |
senior high school | 15.5 (14.4-16.7) | 20.0 (18.7-21.3) | 15.2 (14.1-16.4) |
3 year college graduate or above | 18.5 (17.2-19.7) | 23.5 (22.1-24.8) | 16.2 (15–17.3) |
χ 2 | 123.62 | 208.65 | 303.16 |
p value | <0.001 | <0.001 | <0.001 |
Population density | |||
urban | 17.7 (16.7-18.7) | 22 (21–23) | 16.6 (15.7-17.6) |
suburban | 15.6 (14.7-16.5) | 21.5 (22.3-24.3) | 16.8 (15.9-17.8) |
χ 2 | 7.96 | 0.01 | 0.537 |
p value | 0.005 | 0.925 | 0.464 |
Total | 16.9 (16.2-17.5) | 21.8 (21.1-22.5) | 16.7 (16.1-17.4) |