Background
Methods
Surveillance and study sample
Measures
Characteristic | Respondents (n = 98658) | ||
---|---|---|---|
No. | (%) | Weighted a % | |
Age group (years) | |||
18-24 | 8372 | 8.5 | 16.1 |
25-34 | 13534 | 13.7 | 18.2 |
35-44 | 23271 | 23.6 | 23.3 |
45-54 | 22837 | 23.2 | 18.2 |
55-64 | 18362 | 18.6 | 13.6 |
65-74 | 8902 | 9.0 | 7.0 |
≥75 | 3380 | 3.4 | 3.6 |
Gender | |||
Man | 45143 | 45.8 | 50.8 |
Woman | 53515 | 54.2 | 49.2 |
Education | |||
Illiterate or some primary school | 24108 | 24.4 | 19.5 |
Primary school graduate or some junior high school | 18965 | 19.2 | 18.2 |
Junior high school graduate or some senior high school | 31378 | 31.8 | 35.8 |
Senior high school graduate or some college | 16045 | 16.3 | 17.5 |
College graduate or above | 8162 | 8.3 | 9.0 |
Marital status | |||
Single | 8432 | 8.5 | 8.3 |
Married or cohabiting | 80193 | 81.3 | 78.0 |
Separated/divorced/widowed/others | 10033 | 10.2 | 13.7 |
Place of residence | |||
Urban | 38928 | 39.5 | 31.2 |
Rural | 59730 | 60.5 | 68.8 |
Geographic location | |||
Eastern China | 32965 | 33.4 | 39.9 |
Central China | 30569 | 31.0 | 32.5 |
Western China | 35124 | 35.6 | 27.6 |
Total | 98658 | 100.0 | 100.0 |
Statistical analysis
Characteristic | Very good | Good | General | Poor/Very poor |
p
| ||||
---|---|---|---|---|---|---|---|---|---|
Number of respondents | Weighted percent (95 % CI) | Number of respondents | Weighted percent (95 % CI) | Number of respondents | Weighted percent (95 % CI) | Number of respondents | Weighted percent (95 % CI) | ||
Age group (years) | |||||||||
18-24 | 1405 | 18.5 (15.5-21.5) | 4693 | 55.4 (52.2-58.6) | 2109 | 24.1 (21.1-27.1) | 165 | 2.0 (1.6-2.5) |
P<0.01 |
25-34 | 1546 | 13.1 (11.2-15.1) | 7633 | 55.1 (52.7-57.4) | 3967 | 29.1 (26.6-31.5) | 387 | 2.7 (2.3-3.3) | |
35-44 | 1805 | 9.4 (7.9-11.0) | 12205 | 51.4 (49.1-53.7) | 8092 | 34.4 (32.3-36.5) | 1165 | 4.8 (4.2-5.5) | |
45-54 | 1146 | 6.3 (5.1-7.5) | 10603 | 45.5 (43.7-47.4) | 9272 | 40.5 (38.4-42.6) | 1809 | 7.7 (7.0-8.4) | |
55-64 | 698 | 4.4 (3.6-5.3) | 7274 | 38.8 (36.8-40.8) | 8426 | 46.1 (44.0-48.2) | 1961 | 10.6 (9.7-11.7) | |
65-74 | 228 | 3.0 (2.3-3.6) | 3028 | 33.5 (31.6-35.3) | 4410 | 49.3 (47.8-50.9) | 1232 | 14.2 (12.7-16.0) | |
≥75 | 92 | 2.9 (2.1-3.8) | 1033 | 30.0 (27.7-32.3) | 1766 | 52.2 (48.9-55.4) | 488 | 14.9 (12.6-17.4) | |
Gender | |||||||||
Man | 3737 | 11.1 (9.6-12.6) | 22136 | 49.4 (47.5-51.2) | 16437 | 34.1 (32.4-35.8) | 2827 | 5.4 (4.9-6.0) |
P<0.01 |
Woman | 3183 | 8.1 (6.9-9.4) | 24333 | 46.3 (44.6-48.1) | 21605 | 38.3 (36.6-40.0) | 4380 | 7.2 (6.5-8.0) | |
Education | |||||||||
Illiterate or some primary school | 813 | 4.2 (3.4-5.2) | 9962 | 39.3 (37.0-41.6) | 10269 | 43.5 (41.5-45.6) | 3054 | 13.0 (11.7-14.4) |
P<0.01 |
Primary school graduate /some junior high school | 1021 | 6.6 (5.2-8.4) | 8839 | 46.6 (44.2-49.1) | 7512 | 38.9 (36.4-41.4) | 1590 | 7.9 (7.1-8.8) | |
Junior high school graduate/some senior high school | 2765 | 11.6 (9.8-13.8) | 15849 | 51.4 (48.9-53.9) | 11121 | 32.8 (30.6-35.1) | 1637 | 4.2 (3.7-4.8) | |
Senior high school graduate/some college | 1417 | 12.3 (10.7-13.9) | 7814 | 50.1 (48.0-52.2) | 6111 | 34.0 (31.6-36.4) | 703 | 3.7 (3.2-4.2) | |
College graduate or above | 904 | 14.5 (12.7-16.5) | 4005 | 50.8 (48.5-53.1) | 3029 | 32.5 (29.6-35.6) | 223 | 2.2 (1.8-2.7) | |
Marital status | |||||||||
Single | 1323 | 18.2 15.7-21.03) | 4510 | 53.6(50.5-56.6) | 2307 | 25.4(22.5-28.4) | 291 | 2.9(2.3-3.6) |
P<0.01 |
Married or cohabiting | 5247 | 8.7(7.4-10.2) | 37903 | 47.7(45.9-49.5) | 31259 | 37.3(35.5-39.2) | 5767 | 6.3 5.7-7.0) | |
Separated/divorced/widowed/others | 350 | 4.3(3.5-5.3) | 4056 | 40.5(36.9-44.1) | 4476 | 43.3(40.5-46.2) | 1149 | 11.8(10.3-13.6) | |
Place of residence | |||||||||
Urban | 3029 | 9.8 (8.5-11.1) | 17371 | 45.2 (42.8-47.6) | 16129 | 39.3 (36.8-41.8) | 2392 | 5.7 (4.7-6.8) |
P<0.05 |
Rural | 3891 | 9.6 (7.7-11.4) | 29098 | 49.1 (46.9-51.3) | 21913 | 34.7 (32.6-36.9) | 4815 | 6.6 (5.9-7.4) | |
Geographic location | |||||||||
Eastern China | 3137 | 13.0 (10.8-15.1) | 14938 | 47.1 (44.6-49.6) | 12748 | 34.6 (32.3-36.9) | 2134 | 5.3 (4.5-6.2) |
P<0.01 |
Central China | 1877 | 7.3 (6.1-8.4) | 14185 | 48.4 (44.8-51.9) | 12130 | 37.8 (34.5-41.0) | 2376 | 6.6 (5.6-7.8) | |
Western China | 1906 | 7.6 (4.2-10.9) | 17346 | 48.5 (45.6-51.4) | 13164 | 36.5 (33.2-39.8) | 2697 | 7.4 (6.3-8.7) | |
Total | 6920 | 9.7 (8.3-10.9) | 46469 | 47.9 (46.2-49.6) | 38042 | 36.2 (34.5-37.8) | 7207 | 6.3 (5.7-6.9) |
Characteristic | Physically unhealthy days a
| Injury-caused unhealthy days b
| Mentally unhealthy days c
| |||
---|---|---|---|---|---|---|
Number of respondents | Mean number of days ( 95 % CI ) | Number of respondents | Mean number of days ( 95 % CI | Number of respondents | Mean number of days ( 95 % CI | |
Age group (years) | ||||||
18-24 | 7530 | 0.95 ( 0.79-1.10 ) | 7548 | 0.26 ( 0.17-0.35 ) | 7553 | 0.58 ( 0.45-0.71 ) |
25-34 | 12106 | 0.93 ( 0.81-1.05 ) | 12109 | 0.20 ( 0.13-0.26 ) | 12074 | 0.55 ( 0.46-0.65 ) |
35-44 | 21058 | 1.15 ( 1.04-1.27 ) | 21079 | 0.15 ( 0.11-0.19 ) | 21009 | 0.50 ( 0.43-0.57 ) |
45-54 | 20522 | 1.70 ( 1.51-1.88 ) | 20700 | 0.23 ( 0.19-0.27 ) | 20607 | 0.57 ( 0.48-0.65 ) |
55-64 | 16385 | 2.12 ( 1.93-2.31 ) | 16628 | 0.22 ( 0.18-0.26 ) | 16545 | 0.56 ( 0.49-0.63 ) |
65-74 | 7813 | 2.74 (2.48-3.01 ) | 7999 | 0.20 ( 0.14-0.26 ) | 7949 | 0.49 ( 0.40-0.57 ) |
≥75 | 2861 | 2.92 (2.42-3.43 ) | 2948 | 0.21 ( 0.13-0.28 ) | 2930 | 0.41 ( 0.31-0.51 ) |
Gender | ||||||
Man | 40279 | 1.23 ( 1.12-1.34 ) | 40572 | 0.23 ( 0.18-0.28 ) | 40481 | 0.46 ( 0.40-0.53 ) |
Woman | 47996 | 1.72 ( 1.56-1.88 ) | 48439 | 0.17 ( 0.14-0.21 ) | 48186 | 0.62 ( 0.54-0.70 ) |
Education | ||||||
Illiterate or some primary school | 7404 | 2.32 ( 2.12-2.52 ) | 7476 | 0.22 ( 0.17-0.27 ) | 7465 | 0.50 ( 0.43-0.58 ) |
Primary school graduate/some junior high school | 14658 | 1.66 ( 1.47-1.84 ) | 14773 | 0.24 ( 0.15-0.32 ) | 14754 | 0.51 ( 0.41-0.60 ) |
Junior high school graduate/some senior high school | 28476 | 1.12 (1.00-1.23 ) | 28652 | 0.21 ( 0.16-0.25 ) | 28605 | 0.45 ( 0.37-0.53 ) |
Senior high school graduate/some college | 16851 | 1.27 ( 1.09-1.46 ) | 17025 | 0.19 ( 0.14-0.25 ) | 16938 | 0.62 ( 0.53-0.72 ) |
College graduate or above | 20886 | 1.17 ( 0.99-1.34 ) | 21085 | 0.13 ( 0.09-0.18 ) | 20905 | 0.86 ( 0.72-1.00 ) |
Marital status | ||||||
Single | 7618 | 1.07 ( 0.93-1.21 ) | 7624 | 0.26 ( 0.16-0.36 ) | 7629 | 0.65 ( 0.52-0.78 ) |
Married or cohabiting | 71647 | 1.47 ( 1.34-1.59 ) | 72233 | 0.20 ( 0.16-0.24 ) | 71923 | 0.51 ( 0.44-0.58 ) |
Separated/divorced/widowed/others | 9010 | 2.24 ( 1.90-2.57 ) | 9154 | 0.20 ( 0.14-0.27 ) | 9115 | 0.66 ( 0.53-0.78 ) |
Place of residence | ||||||
Urban | 35561 | 1.57 ( 1.37-1.78 ) | 36182 | 0.16 ( 0.14-0.19 ) | 36093 | 0.65 ( 0.55-0.74 ) |
Rural | 52714 | 1.43 ( 1.27-1.59 ) | 52829 | 0.22 ( 0.17-0.28 ) | 52574 | 0.49 ( 0.40-0.58 ) |
Geographic location | ||||||
Eastern China | 29155 | 1.43 ( 1.23-1.63 ) | 29398 | 0.18 ( 0.14-0.21 ) | 29341 | 0.51 ( 0.40-0.61 ) |
Central China | 28048 | 1.30 ( 1.08-1.51 ) | 28444 | 0.16 ( 0.11-0.21 ) | 28247 | 0.49 ( 0.37-0.61 ) |
Western China | 31072 | 1.76 ( 1.50-2.01 ) | 31169 | 0.30 ( 0.18-0.42 ) | 31079 | 0.64 ( 0.49-0.79 ) |
Total | 88275 | 1.48 ( 1.35-1.60 ) | 89011 | 0.20 ( 0.17-0.24 ) | 88667 | 0.54 ( 0.47-0.61 ) |
Self-rated health a
| Physically unhealthy days d
| Injury-caused unhealthy days d
| Mentally unhealthy days d
| ||||
---|---|---|---|---|---|---|---|
Characteristic Cumulative OR b (95 % CI a) | Cumulative OR b (95 % CI c) |
β
|
P
|
β
|
P
|
β
|
P
|
Age group (years) | |||||||
18-24 | 1.00 | 0.00 | . | 0.00 | . | 0.00 | . |
25-34 | 1.36 (1.22-1.50) | 0.04 | 0.63 | −0.06 | 0.24 | −0.03 | 0.63 |
35-44 | 1.83 (1.62-2.07) | 0.32 | <0.01 | −0.08 | 0.26 | 0.02 | 0.82 |
45-54 | 2.71 (2.37-3.10) | 0.81 | <0.01 | −0.01 | 0.86 | 0.10 | 0.21 |
55-64 | 3.58(3.10-4.13) | 1.17 | <0.01 | −0.01 | 0.85 | 0.11 | 0.20 |
65-74 | 4.62 (3.93-5.44) | 1.76 | <0.01 | −0.03 | 0.68 | 0.07 | 0.47 |
≥75 | 4.88 (4.05-5.88) | 1.78 | <0.01 | −0.03 | 0.73 | −0.06 | 0.49 |
Gender | |||||||
Man | 1.00 | 0.00 | . | 0.00 | . | 0.00 | . |
Woman | 1.25(1.19-1.31) | 0.47 | <0.01 | −0.03 | 0.06 | 0.22 | <0.01 |
Education | |||||||
Illiterate or some primary school | 1.00 | 0.00 | . | 0.00 | . | 0.00 | . |
Primary school graduate/some junior high school | 0.89(0.81-0.96) | −0.19 | 0.04 | 0.01 | 0.79 | 0.07 | 0.15 |
Junior high school graduate/some senior high school | 0.73 (0.66-0.80) | −0.43 | <0.01 | −0.03 | 0.12 | −0.00 | 0.90 |
Senior high school graduate/some college | 0.73 (0.64-0.83) | −0.29 | 0.01 | −0.06 | 0.03 | 0.17 | <0.01 |
College graduate or above | 0.68 (0.56-0.82) | −0.24 | 0.04 | −0.05 | 0.07 | 0.45 | <0.01 |
Marital status | |||||||
Single | 0.94 (0.83-1.06) | 0.14 | 0.22 | 0.02 | 0.73 | −0.02 | 0.83 |
Married or cohabiting | 0.93 (0.85-1.04) | −0.03 | 0.73 | 0.00 | 0.93 | −0.16 | <0.01 |
Separated/divorced/widowed/others | 1.00 | 0.00 | . | 0.00 | . | 0.00 | . |
Place of residence | |||||||
Urban | 1.15 (0.96-1.37) | 0.12 | 0.38 | −0.03 | 0.27 | 0.07 | 0.33 |
Rural | 1.00 | 0.00 | . | 0.00 | . | 0.00 | . |
Geographic location | |||||||
Eastern China | 1.00 | 0.00 | 0.00 | 0.00 | |||
Central China | 1.42 (1.15-1.75) | −0.05 | 0.70 | −0.03 | 0.07 | −0.00 | 0.93 |
Western China | 1.37 (1.07-1.75) | 0.32 | 0.03 | 0.11 | 0.12 | 0.19 | 0.07 |