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Table 1 Descriptive statistics: outcome measures, key exposure measures, and control measures

From: Multivariable analysis of the association between fathers’ and youths’ physical activity in the United States

  Mean (SD) / Frequency
Full sample Male sample Female sample
Outcome measures:
 Youth participates in any weekly vigorous physical activity (VPA) 67.83% 72.02% 63.58%
 Number of days per week youth participates in VPA 3.05 (2.59) 3.34 (2.59) 2.75 (2.56)
Key exposure measures:
 Father’s lagged (t-2) weekly number of times of VPA 2.02 (2.67) 1.87 (2.50) 2.17 (2.84)
 Father meets recommended (≥3 times/week) VPA 29.94% 27.66% 32.25%
Control measures:
 Child’s age 13.83 (2.51) 13.65 (2.52) 14.00 (2.48)
 Child’s gender is male 50.29%   
 Child’s race & ethnicity    
  White* 72.34% 72.06% 72.63%
  African-American 8.12% 10.89% 5.32%
  Hispanic 13.54% 11.03% 16.08%
  Other race 5.99% 6.01% 5.96%
 Mother’s lagged (t-2) weekly number of times VPA 2.00 (2.36) 2.13 (2.50) 1.86 (2.20)
 Mother meets recommended (≥3 times/week) VPA 34.08% 36.86% 31.27%
 Mother’s education    
  Less than high school* 13.05% 12.65% 13.46%
  High school graduate 27.43% 24.45% 30.44%
  Completed some college 26.93% 29.97% 23.85%
  Completed college or more 26.93% 28.48% 25.36%
  Missing 5.66% 4.45% 6.89%
 Mother’s work status    
  Does not work* 18.24% 18.51% 17.96%
  Works part-time 39.69% 34.25% 42.16%
  Works full-time 42.07% 44.25% 39.88%
 Family income (in year 2003 dollars) ('000) 92.39 (120.63) 94.35 (128.71) 90.40 (111.99)
 Local area physical activity-related facility availability 1.02 (2.43) 1.14 (2.85) 0.89 (1.92)
 Local area median household income (in year 2000 dollars) ('000) 47.64 (18.98) 46.80 (18.72) 48.49 (19.21)
 Local area degree of urbanization    
  Urban* 66.86% 67.78% 65.93%
  Suburban 12.42% 10.99% 13.86%
  Rural/Farm 20.73% 21.24% 20.21%
N 887 453 434
  1. Notes: Summary Statistics are weighted. Standard deviations (SD) are shown in parenthesis for continuous variables. * Denotes reference categories in regression models. (t-2) refers to two-year lagged values of father’s and mother’s VPA. Physical activity-related facility availability variable is defined per 10,000 capita per 10 square miles. Median household income measure is obtained from the Census 2000 Data and is at the zip code level.