Table 1.
Baseline characteristics of the community-dwelling 70-year-old people (n = 1008) by self-rated health
| Good (n = 103) n (%) |
Rather good (n = 644) n (%) |
Poor (n = 261) n (%) |
P-value | |
|---|---|---|---|---|
| Women | 67 (65) | 437 (68) | 142 (54) | <.001 |
| Living alone | 39 (38) | 283 (44) | 97 (37) | .127 |
| Education≥9 years | 37 (38) | 114 (18) | 34 (13) | <.001 |
| Need for daily help | 0 (0) | 15 (2) | 61 (24) | <.001 |
| Help from a relative at least once a week | 19 (19) | 142 (23) | 111 (43) | <.001 |
| Having someone who helps when needed | 86 (85) | 509 (81) | 211 (81) | |
| Mini-Mental State Examination < 27 | 26 (25) | 217 (34) | 104 (40) | .018 |
| Charlson’s comorbity index ≥2 | 57 (58) | 373 (60) | 175 (71) | .005 |
| Feelings of depression at least sometimes | 16 (16) | 178 (28) | 131 (51) | <.001 |
| Feelings of loneliness at least sometimes | 6 (6) | 152 (24) | 102 (40) | <.001 |
| Satisfaction with life | 98 (98) | 613 (97) | 224 (88) | <.001 |
| Body mass index, kg/m2 | .257 | |||
| < 25 | 43 (48) | 189 (37) | 57 (35) | |
| 25–29.9 | 34 (38) | 241 (47) | 73 (45) | |
| ≥ 30 | 13 (14) | 86 (17) | 32 (20) | |
| Weight change during the past 3 years | <.001 | |||
| Increased | 18 (18) | 1616 (25) | 75 (29) | |
| No change | 72 (71) | 374 (59) | 122 (47) | |
| Decreased | 12 (12) | 96 (15) | 60 (23) | |
| Smoking | .041 | |||
| Has never smoked | 60 (58) | 381 (60) | 133 (51) | |
| Has stopped or is still smoking | 43 (42) | 256 (40) | 126 (49) | |
| Having daily outdoor activities | 100 (97) | 624 (98) | 221 (86) | <.001 |
| Difficulties in walking 500 m | 5 (5) | 71 (11) | 116 (45) | <.001 |
| Three or more falls during the previous 12 months | 3 (3) | 18 (3) | 27 (10) | <.001 |