Table 2.

Compare of some serum biochemical factors in case and control groups

	Case (Mean ± S.E.)	Control (Mean ± S.E.)	OR (95% CI)
Vitamin D (nm/l)d	10.8 ± 1.1	15 ± 2	0.93 (0.87–0.99)
TACa (mmol/l)d	1.06 ± 0.025	0.99 ± 0.02	2.08 (1.17–3.72)
Znb (mg/dl)e	147.8 ± 4.2	150.3 ± 4.1	0.99 (0.97–1.01)
Mgc (mg/dl)e	2.2 ± 0.05	2.21 ± 0.2	0.28 (0.03–2.88)

p < 0.05 values are in italic

^aTotal antioxidant capacity

^bZinc

^cMagnesium

^dMultiple logistic regression after adjusting for job, education, marital status, children number, smoking and hookah, depression history, unemployment history in past 5 year, tragic events in past 6 months, energy expenditure, and physical activity

^eMultiple logistic regression after adjusting age, sex, non-depression drugs, smoking and hookah, history of depression, body mass index, energy expenditure, and physical activity