Table 4. Descriptive Statistics For Boys With High Body Fat Percentage Versus Boys With Normal Body Fat Percentage.
| Variable | Body fat % > 20% (n = 70) | Body fat % > 20% (n = 15) | ||
| Mean/number | Standard deviation/% | Mean/number | Standard deviation/% | |
| Age (years) | 15.88 | 1.56 | 15.65 | 1.44 |
| Weight (kg)# | 47.96 | 8.55 | 53.80 | 14.46 |
| Height (cm) | 161.31 | 8.66 | 159.51 | 10.30 |
| BMI (kg/m2)# | 18.32 | 2.28 | 20.87 | 3.69 |
| Waist circumference (cm) | 65.11 | 4.94 | 69.60 | 7.12 |
| WHR | 0.84 | 0.06 | 0.83 | 0.04 |
| Triceps skin fold (mm)# | 7.74 | 2.60 | 14.14 | 6.28 |
| Sub-scapular skin fold (mm)# | 7.18 | 1.82 | 12.20 | 8.18 |
| Abdominal skin fold (mm)# | 9.50 | 4.33 | 21.32 | 11.01 |
| Fat %# | 16.16 | 4.21 | 29.62 | 4.23 |
| Muscle mass (kg) | 40.45 | 7.49 | 37.99 | 10.50 |
| Tanner stage 1* (–) | 0 | 0 | 0 | 0 |
| Tanner stage 2* (14.9 ± 0.7, 13–15 years) | 6 | 8.6% | 1 | 6.7% |
| Tanner stage 3* (15.0 ± 1.2, 13–17 years) | 14 | 20% | 4 | 26.6% |
| Tanner stage 4* (16.0 ± 1.3, 14–18 years) | 44 | 62.8% | 9 | 60% |
| Tanner stage 5* (16.8 ± 1.0, 15–18 years) | 6 | 8.6% | 1 | 6.7% |
| Median | Interquartile range | Median | Interquartile range | |
| CRP (mg/l) | 0.39 | 0.15–0.90 | 0.59 | 0.20–1.65 |
Differentiated on account of fat percentage, boys with fat percentages > 20% were classified over- fat, according to Lohman.28
*Tanner stage based on genital development stage (1 = no development, 5 = mature)21 with age, mean ± SD (range), #significant differences between groups. BMI: body mass index; CRP: serum C-reactive protein concentration; WC: waist circumference; TSF: triceps skin fold.