| Total (n = 2,655) | Participation (n = 545) | Nonparticipation (n = 2,110) | P-value | Effect size | 95%CI | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Age(mean ± SD)* | 75.8 | ± | 7.0 | 76.0 | ± | 6.5 | 75.8 | ± | 7.1 | 0.637* | 0.02†| -0.61–0.64 |
Sex, n(%) | ||||||||||||
 Men | 1211 |  | (45.6) | 213 |  | (39.1) | 998 |  | (47.3) | 0.001 | 0.07 | N/A |
 Women | 1444 |  | (45.6) | 332 |  | (60.9) | 1112 |  | (52.7) |  |  |  |
Household composition, n(%) | ||||||||||||
 Living with others | 2067 |  | (78.6) | 422 |  | (77.6) | 1645 |  | (78.8) | 0.519 | 0.01 | N/A |
 Living alone | 564 |  | (21.4) | 122 |  | (22.4) | 442 |  | (21.2) |  |  |  |
Economic states, n(%) | ||||||||||||
 Economic difficulty | 995 |  | (38.0) | 145 |  | (27.1) | 850 |  | (40.8) | < 0.001 | 0.11 | N/A |
 No economic difficulty | 1623 |  | (62.0) | 390 |  | (72.9) | 1233 |  | (59.2) |  |  |  |
Need for long-term care, n(%) | ||||||||||||
 Requiring care | 861 |  | (33.4) | 145 |  | (27.5) | 716 |  | (35.0) | 0.001 | 0.06 | N/A |
 No need for care | 1714 |  | (66.6) | 382 |  | (72.5) | 1332 |  | (65.0) |  |  |  |
Mobility, n(%) | ||||||||||||
 Decline | 587 |  | (22.1) | 82 |  | (15.0) | 505 |  | (23.9) | < 0.001 | 0.09 | N/A |
 Not decline | 2068 |  | (77.9) | 463 |  | (85.0) | 1605 |  | (76.1) |  |  |  |
Subjective health, n(%) | ||||||||||||
 Poor | 1264 |  | (48.9) | 189 |  | (36.1) | 1075 |  | (52.2) | < 0.001 | 0.13 | N/A |
 Good | 1320 |  | (51.1) | 334 |  | (63.9) | 986 |  | (47.8) |  |  |  |
Direct contact with relatives living separately, n(%) | ||||||||||||
 Less than once a week | 1923 |  | (76.3) | 384 |  | (73.8) | 1539 |  | (77.0) | 0.148 | 0.03 | N/A |
 More than once a week | 597 |  | (23.7) | 136 |  | (26.2) | 461 |  | (23.1) |  |  |  |
Indirect contact with relatives living separately, n(%) | ||||||||||||
 Less than once a week | 1758 |  | (69.8) | 323 |  | (62.4) | 1435 |  | (71.7) | < 0.001 | 0.08 | N/A |
 More than once a week | 762 |  | (30.2) | 195 |  | (37.6) | 567 |  | (28.3) |  |  |  |
Direct contact with friends and neighbors, n(%) | ||||||||||||
 Less than once a week | 1908 |  | (74.0) | 262 |  | (49.1) | 1646 |  | (80.5) | < 0.001 | 0.29 | N/A |
 More than once a week | 670 |  | (26.0) | 272 |  | (50.9) | 398 |  | (19.5) |  |  |  |
Indirect contact with friends and neighbors, n(%) | ||||||||||||
 Less than once a week | 1941 |  | (75.7) | 310 |  | (58.6) | 1631 |  | (80.1) | < 0.001 | 0.20 | N/A |
 More than once a week | 624 |  | (24.3) | 219 |  | (41.4) | 405 |  | (19.9) |  |  |  |