From: Life satisfaction and mortality in elderly people: The Kangwha Cohort Study
 |  | LSI |  | F or χ2 |
---|---|---|---|---|
 |  | (N = 1118) |  | value |
Characteristics | Satisfied | Intermediate | Unsatisfied | Â |
 | 26-40 | 16-25 | 0-15 |  |
 | (N = 380) | (N = 376) | (N = 362) |  |
 | Mean ± SD | Mean ± SD | Mean ± SD |  |
Age (years) | 73.5 ± 6.2 | 73.1 ± 6.0 | 73.3 ± 5.9 | 0.42 |
BMI (kg/m2) | 22.8 ± 3.6 | 22.1 ± 3.4 | 22.3 ± 3.9 | 3.63* |
 | N (%) | N (%) | N (%) |  |
Chronic diseasea | Â | Â | Â | 6.34* |
   Never | 251 (65.0) | 227 (60.4) | 207 (57.2) |  |
   Ever | 129 (34.0) | 149 (39.6) | 155 (42.8) |  |
Education | Â | Â | Â | 5.60 |
   No | 282 (74.2) | 292 (77.7) | 285 (78.7) |  |
   Elementary | 96 (25.3) | 80 (21.3) | 71 (19.6) |  |
   High | 2 (0.5) | 4 (1.1) | 6 (1.7) |  |
Smoking | Â | Â | Â | 17.6** |
   Never | 334 (87.9) | 315 (83.8) | 280 (77.4) |  |
   Former | 4 (1.1) | 8 (2.1) | 14 (3.9) |  |
   Current |  |  |  |  |
1-19 tobacco/day | 33 (8.7) | 40 (10.6) | 56 (15.5) | Â |
≥20 tobacco/day | 9 (2.4) | 13 (3.5) | 12 (3.3) |  |
Alcohol drinking | Â | Â | Â | 0.88 |
   Non-drinkers | 348 (91.6) | 338 (89.9) | 325 (89.8) |  |
Drinkers | 32 (8.4) | 38 (10.1) | 37 (10.2) | Â |
Cognitive impairment | Â | Â | Â | 2.43 |
   Normal (≥15) | 286 (75.3) | 287 (76.3) | 259 (71.6) |  |
   Impairment (< 15) | 94 (24.7) | 89 (23.7) | 103 (28.4) |  |
ADL | Â | Â | Â | 0.70 |
   Normal | 377 (99.2) | 371 (98.7) | 359 (99.2) |  |
   Abnormal | 3 (0.8) | 5 (1.3) | 3 (0.8) |  |
IADL | Â | Â | Â | 9.26** |
   Normal | 157 (41.3) | 146 (38.8) | 112 (30.9) |  |
   Abnormal | 223 (58.7) | 230 (61.2) | 250 (69.1) |  |