Table 1 Sample Descriptive Characteristics

Male

105 (54.7%)

69 (53.5%)

Race

   African American

1 (0.5%)

0 (0%)

   Asian/Asian American

17 (8.9%)

12 (9.3%)

   White

130 (67.7%)

87 (67.4%)

   Other Race

26 (13.5%)

19 (14.7%)

   Decline to State

18 (9.4%)

11 (8.5%)

School Sports

   0 sports:

67 (34.9%)

49 (38.0%)

   1 sport:

69 (35.9%)

41 (31.8%)

   >1 sport:

56 (29.2%)

39 (30.2%)

Out-of-School Sports

   0 sports:

40 (20.8%)

31 (24.0%)

   1 sport:

78 (40.6%)

49 (38.0%)

   >1 sport:

74 (38.6%)

49 (38.0%)

Mean (SD)

Mean (SD)

Age (Years)

14.79 (0.46)

14.81 (0.47)

Household Income by Block

$88,774.50

$86,755.05

Group (U.S. Dollars, 1999)

($28,881.82)

($27,306.47)

Perceived Physical Competence

5.27 (1.21)

5.21 (1.18)

Social Support for PA

   Combined Support:

3.14 (0.73)

3.12 (0.76)

   Family Support:

3.03 (0.89)

3.01 (0.93)

   Friend Support:

3.25 (0.76)

3.23 (0.77)

Environmental PA resources

2.20 (1.45)

2.22 (1.48)

3DPAR (MVPA min/day)

211.09 (115.81)

199.38 (119.59)

Actigraph^® (MVPA min/day)

NA^a

44.15 (27.06)

BMI

21.99 (3.77)

21.93 (3.57)

BMI Percentile

60.38 (27.34)

60.66 (27.58)

Parental PA (mother)

2.33 (1.06)

2.40 (1.09)

Parental PA (father)

2.34 (1.07)

2.36 (1.08)

Parental value of PA

62.26 (7.76)

62.00 (8.42)