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Table 1
Descriptive statistics for selected fitness measures, by sex and age group, household population aged 6 to 19 years, Canada, March 2007 to February 2009
| Fitness measure and sex | 6 to 10 (8 to 10) years | 11 to 14 years | 15 to 19 years | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Estimate | 95% confidence interval | Estimate | 95% confidence interval | Estimate | 95% confidence interval | ||||
| from | to | from | to | from | to | ||||
| Aerobic fitness: predicted maximal aerobic power (ml (kg min)-1)§ | |||||||||
| Mean | |||||||||
| Boys | 56.3 | 55.7 | 56.8 | 54.9 | 54.5 | 55.4 | 50.8 | 49.5 | 52.0 |
| Girls | 50.7* | 50.2 | 51.3 | 48.9* | 48.3 | 49.5 | 42.2* | 41.6 | 42.8 |
| Standard deviation | |||||||||
| Boys | 3.5 | ... | ... | 3.4 | ... | ... | 5.8 | ... | ... |
| Girls | 3.8 | ... | ... | 4.0 | ... | ... | 4.3 | ... | ... |
| 50th percentile | |||||||||
| Boys | 56.5 | 55.3 | 57.7 | 55.7 | 54.9 | 56.5 | 51.4 | 50.7 | 52.1 |
| Girls | 50.6* | 50.4 | 50.8 | 48.8* | 48.5 | 49.1 | 42.0* | 41.1 | 42.9 |
| Flexibility: sit-and-reach (cm) | |||||||||
| Mean | |||||||||
| Boys | 24 | 23 | 26 | 21 | 20 | 23 | 23 | 22 | 24 |
| Girls | 29* | 29 | 30 | 28* | 27 | 29 | 30* | 28 | 32 |
| Standard deviation | |||||||||
| Boys | 7 | ... | ... | 8 | ... | ... | 9 | ... | ... |
| Girls | 8 | ... | ... | 9 | ... | ... | 11 | ... | ... |
| 50th percentile | |||||||||
| Boys | 25 | 24 | 27 | 22 | 19 | 24 | 24 | 23 | 25 |
| Girls | 30* | 28 | 31 | 29* | 27 | 30 | 29* | 25 | 33 |
| Muscular endurance: number of partial curl-ups in one minute (maximum 25) | |||||||||
| % completing zero | |||||||||
| Boys | 28 | 23 | 33 | <10 | ... | ... | 4E | 2 | 7 |
| Girls | 23E | 15 | 31 | <10 | ... | ... | 10* | 7 | 13 |
| % completing 1 to 24 | |||||||||
| Boys | 61 | 54 | 69 | 51 | 41 | 60 | 32 | 26 | 37 |
| Girls | 64 | 55 | 72 | 56 | 52 | 61 | 52* | 41 | 62 |
| % completing 25 | |||||||||
| Boys | 11E | 5 | 17 | 44 | 32 | 55 | 64 | 58 | 70 |
| Girls | 13E | 8 | 18 | 38 | 33 | 43 | 38* | 26 | 50 |
| Muscular strength: grip strength (kg) | |||||||||
| Mean | |||||||||
| Boys | 25 | 24 | 27 | 51 | 48 | 54 | 85 | 81 | 89 |
| Girls | 23* | 21 | 24 | 42* | 41 | 43 | 54* | 52 | 56 |
| Standard deviation | |||||||||
| Boys | 8 | ... | ... | 17 | ... | ... | 18 | ... | ... |
| Girls | 9 | ... | ... | 10 | ... | ... | 10 | ... | ... |
| 50th percentile | |||||||||
| Boys | 25 | 23 | 27 | 46 | 43 | 49 | 85 | 79 | 91 |
| Girls | 22* | 20 | 24 | 41* | 40 | 42 | 54* | 52 | 56 |
| Body mass index (kg/m2 ) | |||||||||
| Mean | |||||||||
| Boys | 17.7 | 17.3 | 18.1 | 20.6 | 19.8 | 21.3 | 23.8 | 22.6 | 25.1 |
| Girls | 17.1* | 16.8 | 17.4 | 20.4 | 19.9 | 21.0 | 23.1 | 22.5 | 23.8 |
| Standard deviation | |||||||||
| Boys | 2.9 | ... | ... | 4.4 | ... | ... | 5.3 | ... | ... |
| Girls | 3.2 | ... | ... | 3.8 | ... | ... | 4.6 | ... | ... |
| 50th percentile | |||||||||
| Boys | 16.9 | 16.5 | 17.3 | 19.3 | 18.7 | 20.0 | 22.4 | 21.6 | 23.1 |
| Girls | 16.3* | 16.1 | 16.6 | 19.7 | 19.0 | 20.5 | 22.0 | 21.3 | 22.7 |
| Waist circumference (cm) | |||||||||
| Mean | |||||||||
| Boys | 61 | 59 | 62 | 71 | 69 | 74 | 81 | 78 | 84 |
| Girls | 58* | 57 | 59 | 70 | 68 | 72 | 77* | 75 | 78 |
| Standard deviation | |||||||||
| Boys | 9 | ... | ... | 12 | ... | ... | 13 | ... | ... |
| Girls | 9 | ... | ... | 10 | ... | ... | 12 | ... | ... |
| 50th percentile | |||||||||
| Boys | 59 | 57 | 60 | 68 | 66 | 70 | 77 | 75 | 80 |
| Girls | 56* | 55 | 56 | 69 | 67 | 71 | 73* | 71 | 75 |
| Sum of five skinfolds (mm) | |||||||||
| Mean | |||||||||
| Boys | 48 | 44 | 52 | 54 | 51 | 58 | 48 | 46 | 51 |
| Girls | 50 | 47 | 53 | 67* | 61 | 73 | 79* | 75 | 82 |
| Standard deviation | |||||||||
| Boys | 27 | ... | ... | 30 | ... | ... | 22 | ... | ... |
| Girls | 24 | ... | ... | 29 | ... | ... | 27 | ... | ... |
| 50th percentile | |||||||||
| Boys | 36 | 32 | 40 | 44 | 41 | 46 | 41 | 37 | 45 |
| Girls | 42* | 39 | 44 | 61* | 52 | 69 | 74* | 67 | 81 |
| Waist-to-hip ratio | |||||||||
| Mean | |||||||||
| Boys | 0.84 | 0.84 | 0.84 | 0.82 | 0.81 | 0.83 | 0.83 | 0.81 | 0.84 |
| Girls | 0.82* | 0.82 | 0.83 | 0.80* | 0.78 | 0.81 | 0.77* | 0.76 | 0.79 |
| Standard deviation | |||||||||
| Boys | 0.05 | ... | ... | 0.06 | ... | ... | 0.06 | ... | ... |
| Girls | 0.05 | ... | ... | 0.06 | ... | ... | 0.06 | ... | ... |
| 50th percentile | |||||||||
| Boys | 0.84 | 0.84 | 0.84 | 0.81 | 0.80 | 0.82 | 0.82 | 0.81 | 0.83 |
| Girls | 0.82* | 0.81 | 0.83 | 0.79* | 0.78 | 0.80 | 0.76* | 0.75 | 0.77 |
| * significantly different from estimate for boys (p < 0.05) significantly different from estimate for 15- to 19-year-olds (p < 0.05) 6- and 7-year-olds excluded from estimates for aerobic fitness and muscular endurance (partial curl-ups) § equation for predicted maximal aerobic power (ml(kgmin)-1) has not been validated for children younger than 15 years excludes respondents with BMI 30.0 kg/m2 or higher E use with caution (coefficient of variation 16.6% to 33.3%) ... not applicable Note: If coefficient of variation of estimate is greater than 33%, estimate is indicated as being less than upper limit of 95% confidence interval. Source: 2007-2009 Canadian Health Measures Survey. |
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