TABLE 1

Mean (95% CI) Values for Participant Demographic Data

MeasureInterventionWait-list
PretestPosttestChangePretestPosttestChange
N109112
Gender (% girls)53 (49)a49 (44)a
Race, n (%)
 Asian17 (15)a12 (11)a
 African American25 (23)a28 (25)a
 White51 (47)a59 (53)a
 Other or mixed-race16 (15)a13 (11)a
 Hispanic10 (9.2)a5 (4.5)a
Low SES43 (39.5)a49 (43.8)a
Age, y8.8a (8.7 to 8.9)9.5b (9.4 to 9.6)0.7a (0.6 to 0.7)8.8a (8.7 to 8.9)9.5b (9.4 to 9.7)0.7a (0.7 to 0.8)
Pubertal timing1.4a (1.3 to 1.5)1.5b (1.4 to 1.6)0.1a (0.0 to 0.2)1.5a (1.4 to 1.6)1.6b (1.5 to 1.7)0.1a (0.0 to 0.2)
IQ (K-BIT composite)109.8a (107.2 to 112.4)111.8b (109.2 to 114.3)2.0a (0.3 to 3.6)112.6a (109.9 to 115.4)116.5b (113.7 to 119.3)3.9a (2.0 to 5.8)
Attention-deficit/hyperactivity disorder-IV composite42.8a (37.0 to 48.5)42.3a (36.6 to 47.9)−0.5a (−5.8 to 4.8)44.3a (38.7 to 49.8)46.2a (40.4 to 51.9)1.9a (−2.7 to 6.5)
BMI19.1a (18.3 to 19.9)19.3a,b (18.4 to 20.2)0.2a (0.0 to 0.5)18.9a (18.1 to 19.7)19.8b (18.9 to 20.7)0.9b (0.6 to 1.2)
Vo2peak (mL/kg/min)37.5a (36.2 to 38.8)39.5b (38.2 to 40.8)2.1a (1.2 to 2.9)39.2a (37.9 to 40.5)39.9b (38.6 to 41.3)0.7b (0.1 to 1.4)
Vo2peak percentile17.5a (13.8 to 21.3)23.2b (18.5 to 27.8)5.6a (2.0 to 9.3)21.9a,c (17.7 to 26.2)22.8b,c (18.5 to 27.0)0.8b (−1.8 to 3.4)
  • K-BIT, Kaufman Brief Intelligence Test. Data are presented as mean (95% CI) unless noted otherwise. Values sharing a common superscript are not statistically different at α = 0.05.