Table 1 General characteristics of the elderly subjects
From: Associations of recommended food score and physical performance in Korean elderly
Total (n = 622) | Men (n = 294) | Women (n = 328) | ||
|---|---|---|---|---|
Mean ± S.D. or n (%) | Mean ± S.D. or n (%) | Mean ± S.D. or n (%) | P-value | |
Age, yrs | 71.8 ± 4.9 | 71.7 ± 4.6 | 71.9 ± 5.2 | 0.654 |
Height, cm | 159.0 ± 8.6 | 166.1 ± 5.6 | 152.6 ± 5.2 | <.0001 |
Weight, kg | 60.5 ± 8.8 | 65.2 ± 8.0 | 56.3 ± 7.3 | <.0001 |
BMI, kg/m2 | 23.9 ± 2.7 | 23.6 ± 2.5 | 24.2 ± 2.8 | 0.008 |
Body fat, % | 29.8 ± 7.9 | 24.2 ± 5.6 | 34.8 ± 6.0 | <.0001 |
Lean body mass, kg | 22.9 ± 4.7 | 27.0 ± 3.1 | 19.3 ± 2.3 | <.0001 |
Income, won/mo | 0.0002 | |||
Less than 2,000,000 | 287 (46.1) | 159 (54.1) | 128 (39.0) | |
Over 2,000,000 | 335 (53.9) | 135 (45.9) | 200 (61.0) | |
Education | <.0001 | |||
Elementary/middle school | 338 (54.3) | 115 (39.1) | 223 (68.0) | |
High school | 184 (29.6) | 101 (34.4) | 83 (25.3) | |
College | 100 (16.1) | 78 (26.5) | 22 (6.7) | |
Marital status | <.0001 | |||
Single | 207 (33.3) | 42 (14.3) | 165 (50.3) | |
Marital | 415 (66.7) | 252 (85.7) | 163 (49.7) | |
Current smoker, yes | 39 (6.3) | 36 (12.2) | 3 (0.9) | <.0001 |
Current drinker, yes | 235 (37.8) | 173 (58.8) | 62 (18.9) | <.0001 |
Physical activity, METs-h/wk | 8.7 ± 9.4 | 8.4 ± 8.3 | 8.9 ± 10.3 | 0.535 |
Recommended food score | 30.1 ± 8.2 | 29.5 ± 8.8 | 30.7 ± 7.6 | 0.065 |
Physical performance | ||||
2-min step test, repㆍ120sec | 105.2 ± 23.3 | 104.5 ± 20.7 | 105.7 ± 25.5 | 0.524 |
Timed up and go test, sec | 6.4 ± 1.6 | 6.0 ± 1.3 | 6.7 ± 1.8 | <.0001 |
Figure of 8 walk test, sec | 27.6 ± 7.0 | 26.0 ± 5.6 | 29.1 ± 7.8 | <.0001 |
Grip strength, kg | 27.8 ± 8.2 | 34.5 ± 6.1 | 21.8 ± 4.1 | <.0001 |
Grip strength, % | 45.8 ± 11.0 | 53.4 ± 9.1 | 39.0 ± 7.7 | <.0001 |
Arm curl test, frequency | 16.8 ± 5.0 | 18.3 ± 5.2 | 15.5 ± 4.3 | <.0001 |