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Table 2 Subjects eligible for randomization at week 12 (N = 44)

From: Extended interactive voice response telephony (IVR) for relapse prevention after smoking cessation using varenicline and IVR: a pilot study

Variable Control (n = 21) Extended IVR (n = 23)
Sex
  Male 14 (66.7%) 13 (56.5%)
  Female 7 (33.3%) 10 (43.5%)
Present living status
  Married 7 (33.3%) 12 (52.2%)
  Cohabiting 1 (4.8%) 2 (8.7%)
  Coupled and not cohabiting 0 (0.0%) 1 (4.3%)
  Widowed 2 (9.5%) 2 (8.7%)
  Separated 1 (4.8%) 0 (0.0%)
  Divorced 3 (14.3%) 3 (13.0%)
  Single 7 (33.3%) 3 (13.0%)
Age at baseline
  Median (IQR) 57.0 (48.0, 61.0) 58.0 (50.0, 64.0)
  Mean (SD) 54.2 (10.0) 55.7 (10.9)
  Min & max (30.0, 69.0) (27.0, 73.0)
Weight at baseline (kg)
  Median (IQR) 72.5 (64.4, 84.0) 76.4 (67.7, 98.3)
  Mean (SD) 74.7 (13.6) 83.3 (21.6)
  Min & max (55.1, 105.7) (48.4, 136.0)
Waist at baseline (cm)
  Median (IQR) 91.0 (83.0, 98.0) 95.0 (87.0, 106.0)
  Mean (SD) 90.7 (11.4) 98.4 (15.4)
  Min & max (71.0, 117.5) (79.0, 134.0)
Number of cigs. smoked per day at baseline
  Median (IQR) 16.0 (10.0, 20.0) 18.0 (13.0, 22.0)
  Mean (SD) 17.3 (8.6) 18.5 (6.6)
  Min & max (6.0, 40.0) (7.0, 37.0)