Table 1.
Participant characteristics
| Variables | Adolescents (under 18 years) | Adults (19–64 years) | Elderly (over 65 years) | |
|---|---|---|---|---|
| Age (years) | 15.67± 2.04 | 41.61 ± 12.88 | 71.75 ± 4.30 | |
|
| ||||
| Sex | Male | 586 (51.2) | 3,247 (50.2) | 646 (46.7) |
| Female | 558 (48.8) | 3,227 (49.8) | 736 (53.3) | |
|
| ||||
| Physical health status | So-so and below | 90 (7.9) | 1,300 (20.1) | 851 (61.6) |
| Quite and very healthy | 1,054 (92.1) | 5,174 (79.9) | 531 (38.4) | |
|
| ||||
| Exercise frequency | None | 689 (60.2) | 3,169 (48.9) | 767 (55.5) |
| Two or three times per month | 32 (2.8) | 379 (5.9) | 19 (1.4) | |
| Once per week | 115 (10.1) | 560 (8.6) | 61 (4.4) | |
| Two times per week | 106 (9.3) | 486 (7.5) | 64 (4.6) | |
| Three times per week | 80 (7.0) | 713 (11.0) | 111 (8.0) | |
| 4 times per week | 18 (1.6) | 310 (4.8) | 68 (4.9) | |
| 5 times per week | 66 (5.8) | 439 (6.8) | 89 (6.4) | |
| 6 times per week | 20 (1.7) | 143 (2.2) | 56 (4.1) | |
| Every day | 18 (1.6) | 275 (4.2) | 147 (10.6) | |
|
| ||||
| Exercise time (min) | None | 689 (60.2) | 3,169 (48.9) | 767 (55.5) |
| <59 | 85 (7.4) | 387 (6.0) | 138 (10.0) | |
| 60–119 | 232 (20.3) | 1,850 (28.6) | 354 (25.6) | |
| 120–179 | 110 (9.6) | 698 (10.8) | 80 (5.8) | |
| >180 | 28 (2.4) | 370 (5.7) | 43 (3.1) | |
|
| ||||
| Exercise duration (months) | None | 689 (60.2) | 3,169 (48.9) | 767 (55.5) |
| <23 | 233 (20.4) | 838 (12.9) | 68 (4.9) | |
| 24–47 | 157 (13.7) | 1,154 (17.8) | 169 (12.2) | |
| 48–71 | 39 (3.4) | 664 (10.3) | 143 (10.3) | |
| 72–95 | 19 (1.7) | 134 (2.1) | 38 (2.7) | |
| >96 | 7 (0.6) | 515 (8.0) | 197 (14.3) | |
|
| ||||
| Exercise intensity | None | 689 (60.2) | 3,169 (48.9) | 767 (55.5) |
| Low | 29 (2.5) | 533 (8.2) | 245 (17.7) | |
| Medium | 295 (25.8) | 2,294 (35.4) | 353 (25.5) | |
| Vigorous | 131 (11.5) | 478 (7.4) | 17 (1.2) | |
Data are expressed as means ± standard deviations or n (%)