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Table 1 Baseline clinical characteristics of participants

From: Quality of life and pain in premenopausal women with major depressive disorder: The POWER Study

  Controls n = 36 MDD n = 70 P
Age (years) 35.4 +/- 6.4 35.4 +/- 6.6 n.s.
Race    
   Caucasian 91.7% 91.4% n.s.
   Other 8.3% 8.6% n.s.
BMI (kg/m2) 24.4 +/- 3.7 26.6 +/- 6.4 (n = 69) n.s.
Urinary-free cortisol (nmol/L) 170.9 +/- 83.4 (n = 30) 141.4 +/- 55.4 (n = 28) n.s.
Hamilton Scale for Anxiety 1.2 +/- 1.7 (n = 35) 7.0 +/- 5.3 (n = 68) <0.0001
Hamilton Scale for Depression 1.4 +/- 1.9 (n = 34) 9.4 +/- 7.7 (n = 69) <0.0001
Depressive Episode Questionnaire n/a (n = 53)  
Age at Onset of Depression n/a 18.3 +/- 8.6 n.s.
# of Depressive Episodes n/a 4.4 +/- 2.7 n.s.
Cumulative Duration of Depression (months) n/a 71.6 +/- 84.2 n.s.
  1. Mean +/- S.D., a Control differs from MDD. Not statistically significant (p values greater than or equal to 0.05).
  2. = Total sample size unless otherwise specified.