From: Life satisfaction and mortality in elderly people: The Kangwha Cohort Study
 |  | LSI (N = 821) |  | F or χ2 value |
---|---|---|---|---|
Characteristics | Satisfied | Intermediate | Unsatisfied | Â |
 | 26-40 | 16-25 | 0-15 |  |
 | (N = 281) | (N = 316) | (N = 224) |  |
 | Mean ± SD | Mean ± SD | Mean ± SD |  |
Age (years) | 73.2 ± 5.5 | 72.8 ± 5.3 | 73.4 ± 5.2 | 1.01 |
BMI (kg/m2) | 21.5 ± 2.8 | 21.3 ± 3.1 | 20.9 ± 2.8 | 3.06* |
 | N (%) | N (%) | N (%) |  |
Chronic diseasea | Â | Â | Â | 15.8** |
   Never | 192 (68.3) | 205 (64.9) | 116 (51.8) |  |
   Ever | 89 (31.7) | 111 (35.1) | 108 (48.2) |  |
Education | Â | Â | Â | 14.9** |
   No | 80 (28.5) | 93 (29.4) | 95 (42.4) |  |
   Elementary | 180 (64.1) | 192 (60.8) | 115 (51.3) |  |
   High | 21 (7.5) | 31 (9.8) | 14 (6.3) |  |
Smoking | Â | Â | Â | 7.29 |
   Never | 82 (29.2) | 68 (21.5) | 51 (22.8) |  |
   Former | 47 (16.7) | 58 (18.4) | 42 (18.8) |  |
   Current |  |  |  |  |
1-19 tobacco/day | 76 (27.1) | 81 (25.6) | 63 (28.1) | Â |
≥20 tobacco/day | 76 (27.1) | 109 (34.5) | 68 (30.4) |  |
Alcohol drinking | Â | Â | Â | 4.20 |
   Non-drinkers | 132 (47.0) | 129 (40.8) | 86 (38.4) |  |
Drinkers | 149 (53.0) | 187 (59.2) | 138 (61.6) | Â |
Cognitive impairment | Â | Â | Â | 6.33* |
   Normal (≥15) | 271 (96.4) | 295 (93.4) | 204 (91.1) |  |
   Impairment (< 15) | 10 (3.6) | 21 (6.6) | 20 (8.9) |  |
ADL | Â | Â | Â | 9.78** |
   Normal | 281 (100.0) | 315 (99.7) | 219 (97.8) |  |
   Abnormal | 0 (0.0) | 1 (0.3) | 5 (2.2) |  |
IADL | Â | Â | Â | 21.8** |
   Normal | 169 (60.1) | 164 (51.9) | 88 (39.3) |  |
   Abnormal | 112 (39.9) | 152 (48.1) | 136 (60.7) |  |