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TABLE 6

Trends in Prevalence of Any Developmental Disability in Children Aged 3 to 17 Years by Selected Demographic and Socioeconomic Factors, NHIS, 2009–2017

N, Unweighted2009–2011, %2012–2014, %2015–2017, %Percent Change 2009–2011 vs 2015–2017P for Linear TrendP for Quadratic Trend
Total 14 743 16.22 16.80 17.76 9.5 <.001 .59 
Child characteristics        
 Age group, y        
  3–5 3361 10.10 10.52 11.04 9.3 .23 .94 
  6–11 5236 16.48 17.85 17.71 7.5 .08 .19 
  12–17 6146 19.19 18.86 21.14 10.2 <.001 .02 
 Sex        
  Boys 9689 20.43 21.50 22.72 11.2 <.001 .89 
  Girls 5054 11.85 11.90 12.59 6.2 .17 .46 
 Race and ethnicity        
  Non-Hispanic white 7855 17.36 18.75 19.37 11.6 <.001 .45 
  Non-Hispanic black 2387 19.38 17.34 20.32 4.9 .42 <.001 
  Non-Hispanic other 1184 11.66 13.50 12.72 9.1 .39 .19 
  Hispanic 3317 13.10 13.48 14.98 14.4 .02 .35 
 Health insurance        
  Private only 6212 12.86 13.84 14.57 13.3 <.001 .77 
  Any public 7670 21.69 21.29 22.47 3.6 .30 .21 
  Uninsured 802 13.10 13.22 13.97 6.6 .58 .80 
Birth weight        
  Low (<2500 g) 1803 22.77 23.75 25.47 11.9 .10 .79 
  Normal (≥2500 g) 11 623 15.17 16.05 16.97 11.9 <.001 .97 
Family characteristics        
 Maternal education        
  Less than HS 2047 16.55 16.58 18.95 14.5 .06 .22 
  HS or some college 7722 17.07 18.13 19.16 12.2 <.001 .97 
  College or greater 3300 13.05 14.09 14.36 6.4 .06 .51 
 FPL        
  <200% 7379 19.30 19.45 20.85 8.0 .04 .25 
  ≥200% 7364 13.71 14.65 15.50 13.1 <.001 .92 
 Urbanicitya        
  Urban 11 658 15.81 16.08 17.37 9.9 <.001 .16 
  Rural 3085 17.85 19.87 19.54 9.5 .09 .19 
N, Unweighted2009–2011, %2012–2014, %2015–2017, %Percent Change 2009–2011 vs 2015–2017P for Linear TrendP for Quadratic Trend
Total 14 743 16.22 16.80 17.76 9.5 <.001 .59 
Child characteristics        
 Age group, y        
  3–5 3361 10.10 10.52 11.04 9.3 .23 .94 
  6–11 5236 16.48 17.85 17.71 7.5 .08 .19 
  12–17 6146 19.19 18.86 21.14 10.2 <.001 .02 
 Sex        
  Boys 9689 20.43 21.50 22.72 11.2 <.001 .89 
  Girls 5054 11.85 11.90 12.59 6.2 .17 .46 
 Race and ethnicity        
  Non-Hispanic white 7855 17.36 18.75 19.37 11.6 <.001 .45 
  Non-Hispanic black 2387 19.38 17.34 20.32 4.9 .42 <.001 
  Non-Hispanic other 1184 11.66 13.50 12.72 9.1 .39 .19 
  Hispanic 3317 13.10 13.48 14.98 14.4 .02 .35 
 Health insurance        
  Private only 6212 12.86 13.84 14.57 13.3 <.001 .77 
  Any public 7670 21.69 21.29 22.47 3.6 .30 .21 
  Uninsured 802 13.10 13.22 13.97 6.6 .58 .80 
Birth weight        
  Low (<2500 g) 1803 22.77 23.75 25.47 11.9 .10 .79 
  Normal (≥2500 g) 11 623 15.17 16.05 16.97 11.9 <.001 .97 
Family characteristics        
 Maternal education        
  Less than HS 2047 16.55 16.58 18.95 14.5 .06 .22 
  HS or some college 7722 17.07 18.13 19.16 12.2 <.001 .97 
  College or greater 3300 13.05 14.09 14.36 6.4 .06 .51 
 FPL        
  <200% 7379 19.30 19.45 20.85 8.0 .04 .25 
  ≥200% 7364 13.71 14.65 15.50 13.1 <.001 .92 
 Urbanicitya        
  Urban 11 658 15.81 16.08 17.37 9.9 <.001 .16 
  Rural 3085 17.85 19.87 19.54 9.5 .09 .19 

HS, high school.

a

Urban includes urbanized areas of 50 000 or more people and urban clusters of at least 2500 and <50 000 people. All remaining areas are considered rural.

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