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Table 1 Descriptive statistics for children aged 2–3 in the NLSCY*

From: Effects of neighbourhood income on reported body mass index: an eight year longitudinal study of Canadian children

N = 2152 Percent (%)
Baseline (1994)  
Individual Characteristics  
Female 49.56
Male 50.44
Age = 2 48.52
Age = 3 51.48
Income Adequacy in 1994  
Low/low middle 20.28
Middle/high middle 64.43
High 15.29
Parent Education in 1994  
No high school certificate 14.98
High School/Some Postsecondary 46.41
Postsecondary degree 38.61
Family Structure in 1994  
Child living in an intact family 81.28
Child not living in an intact family 18.72
Neighbourhood Low Income  
Least Poor (less than 7.6%) 22.56
Middle (7.7 to 28.6%) 57.07
Most Poor (greater than 28.7%) 21.37
Census Metropolitan Area  
Urban 67.59
Rural 32.41
Across Cycles (1994–2002)  
BMI Percentile (based on CDC values) Average (sd)
Ages 2–3 (1994) 65.77 (1.45)
Ages 4–5 (1996) 63.26 (1.29)
Ages 6–7 (1998) 59.85 (1.40)
Ages 8–9 (2000) 59.43 (1.54)
Ages 10–11 (2002) 59.57 (1.31)
Overweight (BMI ≥ 85 th Percentile based on CDC values) Percent (%)
Ages 2–3 (1994) 48.71
Ages 4–5 (1996) 41.68
Ages 6–7 (1998) 38.67
Ages 8–9 (2000) 34.03
Ages 10–11 (2002) 31.53
  1. * NLSCY = National Longitudinal Survey of Children and Youth (Canadian). Data used are for a cohort of children aged 2–3 at baseline (1994) and assessed bi-annually until 2002