Effect of one-month treatment with methylphenidate on salivary cortisol level of attention deficit hyperactivity disorder children

Middle East Current Psychiatry

Table 1 Sociodemographic data of the ADHD and control groups

Variables	ADHD group, n = 60(%)	Control group, n = 60(%)	Test of significance, p value
Age, years
Mean ± SD	8.65 ± 2.11	8.68 ± 2.05	t = 0.086, p = 0.932
Min-max	6–12	6–12	t = 0.086, p = 0.932
Sex
Male	46 (76.7%)	46 (76.7%)	χ² = 0, p = 1.0
Female	14 (23.3%)	14 (23.3%)	χ² = 0, p = 1.0
Education
High	22 (36.7%)	21 (35%)	χ² = 0.325, p = 0.850
Moderate	32 (53.3%)	31 (51.7%)
Low	6 (10%)	8 (13.3%)
Occupation
Professionals	10 (16.7%)	13 (21.7%)	χ² = 0.693, p = 0.707
Office worker	31 (51.7%)	27 (45.0%)
Manual worker	19 (31.7%)	20 (33.3%)
Income
High	13 (21.7%)	12 (20.0%)	χ² = 157, p = 0.925
Moderate	39 (65.0%)	41 (68.3%)
Low	8 (13.3%)	7 (11.7%)
Parents’ smoking habit	23 (38.3%)	24 (40%)	χ² = 0.035, p = 0.852