Table 1.
General characteristics of the elderly subjects.
| Variable 1 | Total 2 (n = 521) | Men (n = 263) | Women (n = 258) | p-Value 3 |
|---|---|---|---|---|
| Age (years) | 71.6 ± 5.1 | 71.9 ± 4.9 | 71.4 ± 5.3 | 0.271 |
| Height (cm) | 159.1 ± 8.4 | 165.5 ± 5.8 | 152.6 ± 5.0 | <0.0001 |
| Body mass (kg) | 60.2 ± 8.8 | 64.1 ± 8.5 | 56.3 ± 7.3 | <0.0001 |
| BMI (kg/m2) | 23.8 ± 2.9 | 23.4 ± 2.8 | 24.2 ± 2.9 | 0.002 |
| Body fat (%) | 29.5 ± 8.2 | 24.0 ± 5.9 | 35.0 ± 6.3 | <0.0001 |
| Lean body mass (kg) | 22.9 ± 4.6 | 26.5 ± 3.1 | 19.2 ± 2.2 | <0.0001 |
| Education (n, %) | <0.0001 | |||
| ≤Middle school | 281 (53.9) | 100 (38.0) | 181 (70.2) | |
| High school | 145 (27.8) | 82 (31.2) | 63 (24.4) | |
| College | 95 (18.2) | 81 (30.8) | 14 (5.4) | |
| Marital status (n, %) | <0.0001 | |||
| Single | 165 (31.7) | 42 (16.0) | 123 (47.7) | |
| Marital | 365 (68.3) | 221 (84.0) | 135 (52.3) | |
| Current smoker (n, %) | 17 (3.3) | 16 (6.0) | 1 (0.4) | 0.0003 |
| Current drinker (n, %) | 237 (45.5) | 178 (65.8) | 64 (24.8) | <0.0001 |
| Physical activity (METs-h/week) 4 | 6.5 ± 6.8 | 5.8 ± 6.6 | 7.1 ± 7.0 | 0.031 |
1 BMI, body mass index. Marital status was defined as reporting married or living as married. Current smoker was defined as current smoking or cessation of smoking within the previous 12 months, and current drinker was defined as consuming alcohol more than once a month. 2 Data are presented as mean ± standard deviation, or number (percentage). 3 p-Values based on the Student’s t-test for continuous variables, and chi-square test for categorical variables. 4 METs-h/week, metabolic equivalent task hours per week.