Table 2. Height, weight and BMI by exercise frequency of the subjects.
| Characteristics | Exercise | Total (n = 566) | F or χ2 value | P-value | |||
|---|---|---|---|---|---|---|---|
| Never (n = 195) | 1–2/wk (n = 173) | Over 3/wk (n = 198) | |||||
| Height (cm) | 166.1 ± 8.0a | 166.9 ± 7.8a | 169.9 ± 8.7b | 167.7 ± 8.3 | 11.920*** | < 0.001 | |
| Weight (kg) | 60.7 ± 12.6a | 63.9 ± 15.1ab | 66.6 ± 12.5b | 63.7 ± 13.6 | 9.281*** | < 0.001 | |
| BMI (kg/m2)1) | 21.9 ± 3.5a | 22.7 ± 4.2ab | 22.9 ± 3.1b | 22.5 ± 3.6 | 4.661* | 0.010 | |
| Underweight | 23 (11.8) | 15 (8.7) | 5 (2.5) | 43 (7.6) | 18.154** | 0.006 | |
| Normal | 118 (60.5) | 93 (53.8) | 114 (57.6) | 325 (57.4) | |||
| Overweight | 25 (12.8) | 28 (16.2) | 41 (20.7) | 94 (16.6) | |||
| Obese | 29 (14.9) | 37 (21.4) | 38 (19.2) | 104 (18.4) | |||
Values are presented as mean ± SD or number (%).
BMI, body mass index.
1)Underweight: < 18.5 kg/m2, Normal: 18.5–22.9kg/m2, Overweight: 23–24.9kg/m2, Obese: ≥ 25 kg/m2.
a,bValues with different superscripts are significantly different among groups by Scheffe's multiple range test.
*P < 0.05, **P < 0.01, ***P < 0.001 by analysis of variance test or χ2 test.