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Table 2 Demographic characteristics of study population.

From: Supplementation of polyunsaturated fatty acids, magnesium and zinc in children seeking medical advice for attention-deficit/hyperactivity problems - an observational cohort study

Study population (N)

810 (100%)

Male/female

579/231

Age (yr; median)

8.6

Weight (kg; mean)

31.3

Weight (kg; min-max)

13.8-87.2

Height (cm; mean)

134

Height (cm; min-max)

101-178

Existing diseases at baseline (N (%))

112 (13.8%)

Psychiatric disease at baseline (N (%))

41 (5.1%)

Concomitant medication at baseline (N (%))

59 (7.3%)

Dropouts therapy (N (%))

113 (14%)