Nutritional Status of Children with Attention Deficit Hyperactivity Disorder: A Pilot Study

Table 4

Comparison of serum micronutrients of ADHD children with age-paired NHANES 𝐼𝐼⁽¹⁾.

Serum Measure	Mean ADHD	Mean, NHANES II	P-value	95% CI of the Difference
		[38]		Lower	Upper
zinc (𝜇mol/L)
6–8 years*	11.1+1.6	12.9+2.9	𝑃<.001	−2.463	−1.015
9–11 years^∗∗	11.2+1.5	13.6+2.2	𝑃<.001	−3.163	1.612
ferritin (𝜇g/L)
6–8 years	36.9+19.7	34.3+24.8	𝑃=.582	−7.2207	12.5294
9–11 years	39.7+17.2	38.5+19.4	𝑃=.786	−7.9672	10.3422
copper (𝜇mol/L)
6–8 years	15.4+2.9	21.07+3.7	𝑃<.001	−6.846	−4.278
9–11 years	15.4+2.9	19.73+3.5	𝑃<.001	−5.562	−2.834

⁽¹⁾Values represent mean+SD
^∗6-8 year old children 𝑛=23
^∗∗9-11 year old children 𝑛=16.