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Table 1 Demographic characteristics of the school physical activity and nutrition (SPAN) 2009–2011 8th and 11th grade population

From: Parental and peer social support is associated with healthier physical activity behaviors in adolescents: a cross-sectional analysis of Texas School Physical Activity and Nutrition (TX SPAN) data

  Total (n = 6716)1 Boy (n = 3251) Girl (n = 3465)
Age, Years, Mean 14.88 14.9 14.8
Grade, %
 8th 53.3 53.6 53.0
 11th 46.7 46.4 47.0
Ethnicity, %
 White/Other 39.8 40.1 39.6
 African-American 14.6 14.5 14.7
 Hispanic 45.6 45.5 45.7
BMI Class1, %
 Healthy Weight 62.0 57.6 66.4
 Overweight 15.7 16.1 15.3
 Obese 22.3 26.3 18.3
Parent Education, %
 Some college or more 40.3 40.7 39.9
 High school or less 59.7 59.3 60.1
Socioeconomic Status, %
 Highest Tertile 25.0 24.2 25.9
 Middle Tertile 38.2 38.2 38.1
 Lowest Tertile 36.8 37.7 35.9
  1. Note: 1. Overweight is defined as >85th and < 95th percentile, while Obese is defined as ≥95th percentile
  2. 1This number represents 3931 8th grade students (representing 310,045 8th grade students in Texas) and 2.785 11th grade students (representing 272,122 11th grade students in Texas)