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Table 2 Descriptive statistics of demographic data by group (frequency and proportion or mean and SD, as appropriate).

From: Female social and sexual interest across the menstrual cycle: the roles of pain, sleep and hormones

Characteristic Control Group OC Group T-Test
Age   20.3 (2.56) 20.5 (1.79) n.s.
Education (yrs)   14.8 (1.68) 15.4 (1.93) n.s.
BMI   23.3 (3.85) 24.3 (4.50) n.s.
Cycle length   30.5 (4.12) 27.6 (1.29) t = 2.99, p < 0.01
Test Day     
   Follicular 5.6 (2.24) 6.0 (1.97) n.s.
   Mid-Cycle 14.5 (2.21) 14.0 (1.17) n.s.
   Luteal 22.8 (3.00) 22.2 (1.44) n.s.
Race/Ethnicity     
   Caucasian/NHW 8 (40%) 11 (55%)  
   African American/Black 1 (5%) 1 (5%)  
   Hispanic/Latino 5 (25%) 5 (25%)  
   Asian/Pacific Islander 6 (30%) 3 (15%)  
  1. Education based on years from kindergarten through college; BMI: Body Mass Index; NHW: Non-Hispanic White.