Table 2.
Relationship between resting heart rate and health-related physical fitness components in adolescents.
| Variable | Crude Analysis | Adjusted Analysis b | Cohen's f 2 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ß a | (95%CI) | p | R 2 | ß a | (95%CI) | p | R 2 | (df = 5) | |
| Male | |||||||||
| Aerobic fitness | -0.09 | (-0.11; -0.07) | <0.01∗ | 0.15 | -0.11 | (-0.14; -0.08) | <0.01∗ | 0.21 | 0.27 |
| Handgrip strength | -0.13 | (-0.20; -0.06) | <0.01∗ | 0.02 | -0.10 | (-0.18; -0.01) | 0.28∗ | 0.03 | 0.03 |
| Sit-and-reach test | -0.15 | (-0.31; 0.15) | 0.07 | 0.01 | -0.15 | (-0.34; 0.03) | 0.10 | 0.03 | 0.03 |
| Sum of skinfolds | 0.11 | (-0.22; 0.24) | 0.10 | 0.01 | 0.50 | (0.25; 0.75) | <0.01∗ | 0.05 | 0.05 |
| Female | |||||||||
| Aerobic fitness | -0.05 | (-0.08;-0.03) | <0.01∗ | 0.04 | -0.09 | (-0.12; -0.06) | <0.01∗ | 0.12 | 0.14 |
| Handgrip strength | -0.10 | (-0.20; -0.01) | 0.02∗ | 0.01 | -0.04 | (-0.15; 0.05) | 0.36 | 0.04 | 0.04 |
| Sit-and-reach test | -0.04 | (-0.17; 0.08) | 0.47 | 0.01 | -0.05 | (-0.19; 0.09) | 0.48 | 0.03 | 0.03 |
| Sum of skinfolds | -0.05 | (-0.12; 0.01) | 0.14 | 0.01 | 0.17 | (0.36; 2.72) | <0.01∗ | 0.06 | 0.06 |
a: regression coefficient; b: adjusted analysis by sex, age, physical activity, sexual maturation, and body mass index; R2: determination coefficient; CI: confidence interval; Cohen's f2:effect size for multiple linear regression; df: degree freedom.