Journal of Environmental and Public Health / 2016 / Article / Tab 2

Research Article

Cross-Sectional Study of Polybrominated Flame Retardants and Self-Reported Attention Deficit Hyperactivity Disorder in US Youth Aged 12–15 (NHANES 2003-2004)

Table 2

Prevalence of ADHD diagnosis by a health care professional among youth 12–15 years old in NHANES 2003-2004.

VariableNumber of children with ADHDNumber of children without ADHDWeighted percent with ADHD
(95% CI)
value

Total3534613.57 (8.06, 21.94)

Age (years)0.48
 12-13231798.37 (3.95, 16.88)
 14-15121675.20 (3.21, 8.31)

Sex0.10
 Female91894.12 (1.33, 12.05)
 Male 261579.45 (5.58, 15.56)

Race0.21
 Mexican American 61210.69 (0.21, 2.21)
 Other, including other Hispanic and multiracial2211.25 (0.26, 5.69)
 Non-Hispanic white167410.44 (5.56, 18.78)
 Non-Hispanic black111301.19 (0.69, 2.06)

PIR0.54
 0–0.9951152.37 (0.74, 7.28)
 ≥12921510.80 (5.94, 18.85)
 Missing116

Prenatal ETS exposure0.04
 Yes212884.66 (2.24, 9.44)
 No12557.57 (4.71, 11.96)
 Missing23

Current ETS exposure in home0.50
 Yes252664.22 (1.94, 8.92)
 No10769.40 (5.39, 15.88)
 Missing04

Covered by health insurance<0.001
 Yes3328913.40 (7.89, 21.83)
 No2530.22 (0.19, 0.26)
 Missing04

Birthweight0.08
 ≥2,500 g2730710.35 (5.34, 19.10)
 <2,500 g8383.23 (1.60, 6.40)
 Missing01

Attended preschool/daycare0.02
 Yes2922011.39 (6.81, 18.45)
 No51252.08 (0.65, 6.49)
 Missing11

Body Mass Index (BMI) 0.05
 Underweight/normal202245.87 (3.46, 9.79)
 Overweight7733.65 (1.45, 8.89)
 Obese8464.09 (1.44, 11.07)
 Missing03

Blood lead quartiles0.49
 1st quartile101464.43 (1.73, 10.87)
 2nd quartile10963.28 (1.24, 8.37)
 3rd quartile4532.24 (0.71, 6.82)
 4th quartile3280.82 (0.15, 4.39)
 Missing823

value for Chi-square analysis, Poverty Index Ratio, and Environmental Tobacco Smoke.

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