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Table 1 Sex difference in demographic information between healthy controls and schizophrenia patients

From: Sex difference in the interrelationship between TNF-α and oxidative stress status in first-episode drug-naïve schizophrenia

  Controls Patients Diagnosis, F (p) Sex, F (p) Diagnosis × sex, F (p)
Male (n = 80) Female (n = 55) Male (n = 76) Female (n = 43)
Age (years) 28.65 ± 7.63 29.69 ± 7.87 29.68 ± 6.96 28.83 ± 7.67 0.009 (0.93) 0.02 (0.92) 0.95 (0.33)
Education (years)a,b,c 13.92 ± 2.07 9.69 ± 2.65 11.55 ± 2.90 11.86 ± 3.98 0.07 (0.80) 28.37 (< 0.001) 37.99 (< 0.001)
BMId 23.57 ± 3.62 22.72 ± 3.24 22.21 ± 2.92 23.71 ± 3.61 0.19(0.67) 0.56 (0.45) 7.44 (0.007)
Smokinge 8 (10.0%) 1 (1.8%) 11 (14.5%) 1 (2.3%) - - -
  1. 2 × 2 ANCOVA was applied to compare sex difference in each variable
  2. aSignificant differences between male patients and male controls
  3. bSignificant differences between female patients and female controls
  4. cSignificant differences between male and female controls
  5. dSignificant differences between male and female patients
  6. eFisher’s exact test