Sociodemographic characteristics of the sampled respondents in China in 2014 (n=8858)
| Characteristics | n (%) or mean±SD |
|---|---|
| Age (range 15–70 years) | 31.39±14.76 |
| 15∼ | 3772 (42.6) |
| 25∼ | 1332 (15.0) |
| 35∼ | 1545 (17.4) |
| 45∼ | 1529 (17.3) |
| 55∼ | 680 (7.6) |
| Sex | |
| Male | 4349 (49.1) |
| Female | 4485 (50.6) |
| Ethnicity | |
| Han | 8649 (97.7) |
| Others | 183 (2.1) |
| Education | |
| Illiterate | 347 (3.9) |
| Primary school | 957 (10.8) |
| Junior high school | 2112 (23.8) |
| Senior high school | 4329 (48.9) |
| College/university diploma or higher | 1102 (12.4) |
| Marital status | |
| Single | 3996 (45.1) |
| Married | 4540 (51.3) |
| Divorced | 126 (1.4) |
| Widowed | 117 (1.3) |
| Occupation | |
| Administrative personnel of government agencies and institutions | 256 (2.9) |
| Professional and technical personnel | 591 (6.7) |
| Office clerk | 359 (4.1) |
| Business/service staff | 1447 (16.3) |
| Factory workers | 92 (1.0) |
| Self-employed | 190 (2.1) |
| Agriculture | 966 (10.9) |
| Student | 2989 (33.7) |
| Laid-off workers | 123 (1.4) |
| Retired | 256 (2.9) |
| Off-farm workers | 1175 (13.3) |
| Health personnel | 34 (0.4) |
| Others | 357 (4.0) |
| Self-rated health status | |
| Very good | 1917 (21.6) |
| Good | 3769 (42.5) |
| Normal | 2746 (31.0) |
| Poor | 320 (3.6) |
| Very poor | 95 (1.1) |
| Two-week morbidity | 1476 (16.7) |
| Normal | 7358 (83.1) |
| Time spent on internet surfing per day | |
| Never use internet | 3687 (41.6) |
| <1 hour | 2138 (24.1) |
| 1 hour∼ | 1410 (15.9) |
| 2 hours∼ | 1605 (18.1) |
| Method for obtaining health information | |
| TV | 3519 (39.7) |
| Internet | 2688 (30.3) |
| Radio | 138 (1.6) |
| Newspapers and magazines | 583 (6.6) |
| Family, colleagues or friends | 837 (9.4) |
| Medical and health personnel | 790 (8.9) |
∼, range.