Research Article
Association between Resting Heart Rate and Health-Related Physical Fitness in Brazilian Adolescents
Table 1
Characteristics of the sample.
| | Male | Female | | | (n = 337) | (n= 358) | | Mean (SD) | Mean (SD) | p | Cohen’s D |
| RHR (bpm) | 76.1 (13.6) | 81.1 (10.9) | <0.01 | 0.40 | Age (years) | 16.2 (0.1) | 16.0 (0.1) | <0.01 | 0.18 | Weight (kg) | 65.7 (0.5) | 58.5 (0.5) | <0.01 | 0.60 | Height (cm) | 172.7 (0.3) | 161.3 (0.2) | <0.01 | 1.69 | BMI (kg/m2) | 22.0 (3.6) | 22.4 (4.0) | 0.04 | 0.11 | Triceps skinfold (mm) | 10.8 (5.1) | 18.7 (6.9) | <0.01 | 1.30 | Subscapular skinfold (mm) | 10.8 (4.8) | 15.5 (7.2) | <0.01 | 0.76 | Sum of skinfolds (mm) | 21.5 (9.5) | 34.3 (13.5) | <0.01 | 1.09 | Aerobic fitness (mL.kg-1.min-1) | 42.7 (5.4) | 35.3 (3.7) | <0.01 | 1.60 | Handgrip strength (kg) | 71.8 (17.3) | 45.4 (10.4) | <0.01 | 1.85 | Sit-and-reach test (cm) | 28.7 (7.6) | 29.5 (7.6) | 0.08 | 0.11 |
| | n () | n () | p | Cramer’s V |
| Physical activity | | | | | Active | 99 (57.9) | 72 (42.1) | <0.01 | 0.01 | Less active | 238 (45.4) | 286 (54.6) | | | Sexual Maturation | | | | | Pubescent | 244 (52.7) | 219 (47.3) | <0.01 | <0.01 | Post-Pubescent | 93 (40.1) | 139 (59.9) | | |
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RHR: resting heart rate; SD: Standard Deviation; p<0.05; Cohen’s D: effect size for comparison between groups; Cramer’s V: effect size for chi-square test. |