Table 2 Baseline characteristics of the total study population and subgroup
Characteristics | Total n = 730 | Atherosclerosis risk group | p value | ||
|---|---|---|---|---|---|
No heart disease n = 313 (43 %) | Heart disease with average risk n = 297 (41 %) | Heart disease with increased risk n = 120 (16 %) | |||
Age, years, mean (SD) | 10.4 (4.4) | 10.9 (4.2) | 9.9 (4.5) | 10.4 (4.5) | 0.014 |
Age groups, n (%) (years) | 0.020 | ||||
12–17 | 302 (41) | 143 (46) | 110 (37) | 49 (41) | |
7–11 | 247 (34) | 109 (35) | 100 (34) | 38 (32) | |
2–6 | 181 (25) | 61 (19) | 87 (29) | 33 (28) | |
Gender, n (%) | 0.023 | ||||
Male | 462 (63) | 195 (62) | 178 (60) | 89 (74) | |
Female | 270 (37) | 118 (38) | 119 (40) | 31 (26) | |
BMI, kg/m2, mean (SD) | 26.6 (6.1) | 26.9 (6.2) | 26.1 (6.0) | 26.7 (6.2) | 0.243 |
BMI Z-score, mean (SD) | 2.1 (0.4) | 2.1 (0.4) | 2.1 (0.4) | 2.1 (0.4) | 0.165 |
Race/ethnicity, n (%) (n = 681) | 0.016 | ||||
Hispanic | 325 (45) | 158 (50) | 113 (38) | 54 (45) | |
White | 251 (34) | 94 (30) | 117 (39) | 40 (33) | |
African American | 105 (14) | 36 (12) | 47 (16) | 22 (18) | |