Table 4 Baseline characteristics of survivors and respondents who dropped out between 2005 and 2011
Survivors in 2011 (N = 3731) | Drop-outs between 2005 and 2011 (N = 7113) | p-value1 | |
|---|---|---|---|
% or mean (s.d.) | % or mean (s.d.) | ||
Playing cards/mahjong | 0.7 (1.3) | 0.6 (1.2) | < 0.001 |
Organized social activities | 0.43 (1.0) | 0.4 (0.9) | 0.003 |
Paid job | 0.02 | ||
Yes | 6.6 | 5.6 | |
No | 93.4 | 94.4 | |
Number of siblings frequently visited | 0.9 (1.3) | 0.5 (1.1) | < 0.001 |
Gender | 0.97 | ||
Female | 52.3 | 52.3 | |
Male | 47.7 | 47.7 | |
Age | < 0.001 | ||
65–69 | 25.6 | 9.0 | |
70–74 | 21.9 | 10.0 | |
75–79 | 18.0 | 11.2 | |
80–84 | 11.3 | 9.6 | |
85–89 | 12.2 | 19.6 | |
90 + | 11.1 | 40.6 | |
Residence | < 0.001 | ||
Rural | 61.3 | 55.6 | |
Urban | 38.7 | 44.4 | |
Education | < 0.001 | ||
Illiterate | 52.1 | 58.2 | |
Literate | 47.9 | 41.8 | |
Marital status | < 0.001 | ||
Unmarried | 46.2 | 67.5 | |
Married | 53.8 | 32.5 | |
Self-perceived economic conditions | 0.13 | ||
Poor | 14.9 | 16.0 | |
Fair | 68.8 | 67.0 | |
Good | 16.3 | 17.0 | |
Number of living children | 3.9 (1.8) | 3.5 (1.9) | < 0.001 |
Number of chronic diseases | 1.2 (1.3) | 1.2 (1.3) | 0.68 |
Physical exercise | 0.14 | ||
No | 62.5 | 63.9 | |
Yes | 37.5 | 36.1 | |
Cognitive ability index | 20.6 (3.4) | 18.8 (5.0) | < 0.001 |
Positive emotion index | 11.6 (2.3) | 11.3 (2.4) | < 0.001 |