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Table 3 The comparison of the serum biochemical markers between case and control groups

From: The relationship between dietary patterns and depression mediated by serum levels of Folate and vitamin B12

Biochemical factorsCase (Mean ± SE)Control (Mean ± SE)PvalueaP valuebOR(95%CI)
Folate (ng/ml)5.8 ± 0.37.7 ± 0.28<0.001<0.0010.54 (0.38–0.75)
Vitamin B12(pg/ml)550.9 ± 55.1954.9 ± 57.7<0.001<0.0010.996 (0.993–0.998)
Hcy1 (μmol/l)11.2 ± 1.111.9 ± 0.90.20.50.97 (0.9–1.05)
Trp2(μmol/l)70.3 ± 2.975.3 ± 3.90.30.10.97 (0.94–1.01)
Tryptophan/competing amino acids30.113 ± 0.0030.104 ± 0.0020.020.51.46 (0.45–4.76)
  1. a T- test for Square, square root or logarithm
  2. b Multiple logistic regression after adjusting for job, education, marital status, children number, smoking and hookah use, depression history, unemployment history in the past 5 year, tragic events in the past 6 months and the whole lifetime, energy intake, physical activity and dietary patterns
  3. 1 Homocystein
  4. 2 Tryptophan
  5. 3 Valine, leucine, tyrosine, phenylalanine and isoleucine (These amino acids compete for the same cerebral uptake mechanism)