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. 2021 Jan 28;16(1):e0245875. doi: 10.1371/journal.pone.0245875

Table 1. Baseline demographic characteristics and anthropometric measurements of completers.

Characteristic Completers p-value
Usual care group (n = 50) Exercise group (n = 59) Nutritional group (n = 54)
Age, years 11.3±2.00 11.0±2.28 11.4±2.11 0.58
Age, years 0.16
 6–9 12 (24.0) 24 (40.7) 17 (31.5)
 10–14 37 (74.0) 32 (54.2) 32 (59.3)
 15–17 1 (2.0) 3 (5.1) 5 (9.3)
Sex, No. (%) 0.16
 Male 30 (60.0) 30 (50.8) 37 (68.5)
 Female 20 (40.0) 29 (49.2) 17 (31.5)
Parental obesity, No. (%) (n = 43 / 52 / 50) 0.11
 None 6 (14.0) 7 (13.5) 14 (28.0)
 Either 37 (86.0) 45 (86.5) 36 (72.0)
Parental CVD history, No. (%) (n = 39 / 50 / 51) 0.37
 None 16 (41.0) 22 (44.0) 28 (54.9)
 Either 23 (59.0) 28 (56.0) 23 (45.1)
Parental education, No. (%) (n = 44 / 55 / 48) 0.92
 < College (both) 10 (22.7) 11 (20.0) 11 (22.9)
 ≥ College (either) 34 (77.3) 44 (80.0) 37 (77.1)
Monthly household income, No. (%) (n = 48 / 59 / 51) 0.77
 < 3 million KRW 6 (12.5) 11 (18.6) 9 (17.6)
 3–5 million KRW 18 (37.5) 25 (42.4) 22 (43.1)
 ≥ 5 million KRW 24 (50.0) 23 (39.0) 20 (39.2)
Living with both parents, No. (%) (n = 48 / 59 / 51) 0.54
 Yes 44 (91.7) 50 (84.7) 44 (86.3)
 No 4 (8.33) 9 (15.3) 7 (13.7)
Birth weight, kg (n = 49 / 55 / 50) 3.33±0.52 3.41±0.43 3.36±0.52 0.66
Body weight, kg 66.7±19.3 65.2±16.8 68.4±19.0 0.65
BMI, kg/m2 28.2±4.09 28.5±4.35 28.6±4.32 0.91
BMI z-score 2.27±0.51 2.39±0.52 2.27±0.48 0.34
%BMIp95th, %a 115±1.13 118±1.13 115±1.12 0.38
Waist circumference, cm 87.2±11.9 86.9±10.7 89.9±10.4 0.29
Body fat, kg 27.9±8.58 27.1±7.96 28.5±8.99 0.68
Body fat, % 42.1±3.92 41.8±4.67 41.8±3.70 0.91
Lean mass, kg 36.5±10.8 35.7±9.33 37.5±9.67 0.62
SBP, mmHg 119±12.2 119±13.3 120±15.9 0.88
DBP, mmHg 68.8±8.74 67.8±10.3 69.5±9.61 0.65

Abbreviations: CVD, cardiovascular disease; KRW, Korean Republic Won; BMI, body mass index; %BMIp95th, percentage of the 95th percentile of age- and sex-specific body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure.

Data are presented as mean±standard deviation for continuous variables (one-way analysis of variance test) and number (%) for categorical variables (χ2 test). Percentages have been rounded up and may not total to 100.

aGeometric mean±standard deviation.