Table 1 Baseline demographic characteristics

Gender, n (%)

 Boys

59 (52%)

62 (49%)

0.65

121 (50.2%)

 Girls

55 (48%)

65 (51%)

120 (49.8%)

Race/Ethnicity, n (%)

 White

36 (34%)

36 (29%)

0.13

72 (31%)

 Hispanic

35 (33%)

59 (48%)

94 (41%)

 African-American

33 (31%)

25 (20%)

58 (25%)

 Asian

2 (2%)

3 (2%)

5 (2%)

 Other

0 (0%)

1 (1%)

1 (0.4%)

Parent/guardian age (yrs)

43.8 ± 7.7

44.0 ± 7.6

0.73

43.9 ± 7.6

Parent/guardian BMI (kg/m²)

27.8 ± 6.1

27.4 ± 6.0

0.43

27.6 ± 6.0

Parent/guardian marital status, n (%)

 Married

51 (45%)

57 (45%)

0.27

108 (45%)

 Divorced/Separated or widowed

12 (10%)

6 (5%)

18 (7%)

 Single-never married

51 (45%)

63 (50%)

114 (47%)

Maximum household education level, n (%)

 High school graduate or less

31 (32%)

44 (36%)

0.64

75 (34%)

 Some college/technical school

24 (24%)

32 (26%)

56 (25%)

 College graduate

43 (44%)

46 (38%)

89 (40%)

Annual total household income, n (%)

 Less than $20,000

28 (26%)

34 (29%)

0.57

62 (27%)

 $20,000 - $39,000

32 (29%)

40 (34%)

72 (32%)

 $40,000 - $59,000

13 (12%)

15 (13%)

28 (12%)

 Greater than $60,000

36 (33%)

29 (25%)

65 (29%)