Table 1 Demographic characteristics distribution on the total and separate sample.
Total sample(%) | Sample 1(%) | Sample 2(%) | |
|---|---|---|---|
Age (years)1 | |||
65 ~ | 4257 (22.22) | 2562 (22.29) | 1695 (22.12) |
70 ~ | 6234 (32.55) | 3761 (32.72) | 2473 (32.28) |
75 ~ | 4507 (23.53) | 2672 (23.25) | 1835 (23.95) |
80 ~ | 4157 (21.7) | 2498 (21.73) | 1659 (21.65) |
Gender2 | |||
Male | 9120 (47.61) | 5469 (47.59) | 3651 (47.65) |
Female | 10,035 (52.39) | 6024 (52.41) | 4011 (52.35) |
Education level1 | |||
Primary school and below | 6861 (35.82) | 4173 (36.31) | 2688 (35.08) |
Junior high school | 6409 (33.46) | 3828 (33.31) | 2581 (33.69) |
Senior high school and above | 5885 (30.72) | 3492 (30.38) | 2393 (31.23) |
Marital status2 | |||
Unmarried | 3702 (19.33) | 2227 (19.38) | 1475 (19.25) |
Married | 15,453 (80.67) | 9266 (80.62) | 6187 (80.75) |
Self-rated health1 | |||
Excellent | 2209 (11.53) | 1355 (11.79) | 854 (11.15) |
Good | 7506 (39.19) | 4464 (38.84) | 3042 (39.7) |
General | 7861 (41.04) | 4733 (41.18) | 3128 (40.82) |
Bad&Very bad | 1579 (8.24) | 941 (8.19) | 638 (8.33) |