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Table 1 Socio-demographic characteristics and obesity prevalence of 8th grade student sample (n = 2682). Central Texas CATCH Middle School Project, Spring 2009.

From: School-level economic disadvantage and obesity in middle school children in central Texas, USA: a cross-sectional study

  Sample % Obese  
  (n = 30 schools) Total  
  n % % Crude OR (95% CI) p-value
n of students 2682 100% 19.20 -- --
Age in years (mean ± SD) 2679 13.88±0.60 13.86±0.63 -- --
Gender      
Female (ref.) 1308 48.77 16.47 1.00 --
Male 1374 51.23 21.51 1.39(1.14, 1.69) 0.001
Ethnicity      
White (ref.) 663 25.05 11.37 1.00 --
African American 347 13.11 21.05 2.10(1.46,3.01) <0.0001
Hispanic 1377 52.02 22.87 2.31(1.74,3.07) <0.0001
Other 260 9.82 15.07 1.40(0.92,2.12) 0.12
Speaks Spanish with parents most of time 764 29.02 20.57 1.15(0.92,1.44) 0.23
Family SES      
Very Well Off (ref.) 390 15.94 18.23 1.00 --
Living Comfortably 1510 61.73 18.34 1.01(0.75,1.35) 0.96
Poor/Just Getting By 546 22.32 18.10 0.99(0.71,1.40) 0.96
School Econ. Disadv.      
Low School ED (ref.) 872 32.51 12.27 1.00 --
Medium School ED 912 34 20.83 1.88(1.45,2.44) <0.0001
High School ED 898 33.48 24.28 2.29(1.77,2.97) <0.0001
  1. Abbreviations: SES, socioeconomic status; School Econ. Disadv., School-Level Economic Disadvantage; ref., referent; OR, Odds Ratio.
  2. Obesity defined as ≥95th percentile; family SES based on student self-report; school-level economic disadvantage based on Texas Education Agency data and on tertile distribution.