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Table 1 Summary of selected variable frequencies

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

Variable All subjects (n = 101)
Sex
  Missing 1 (.%)
  Male 67 (67.0%)
  Female 33 (33.0%)
Present living status
  Married 45 (44.6%)
  Cohabiting 9 (8.9%)
  Coupled and not cohabiting 1 (1.0%)
  Widowed 4 (4.0%)
  Separated 3 (3.0%)
  Divorced 13 (12.9%)
  Single 26 (25.7%)
Age at baseline
  Median (IQR) 54.0 (45.0, 62.0)
  Mean (SD) 52.6 (11.8)
  Min & max (25.0, 73.0)
Weight at baseline (kg)
  Median (IQR) 76.4 (66.6, 90.7)
  Mean (SD) 78.8 (16.6)
  Min & max (48.4, 136.0)
Waist at baseline (cm)
  Median (IQR) 91.0 (83.0, 100.0)
  Mean (SD) 92.8 (13.9)
  Min & max (44.5, 134.0)
Number of cigs. smoked per day at baseline
  Missing data 1
  Median (IQR) 18.0 (13.0, 22.0)
  Mean (SD) 19.2 (9.8)
  Min & max (6.0, 55.0)
Status at week 12
  Still smoking 57 (56.4%)
  Not smoking 44 (43.6%)
Status at week 52
  Missing data 33 (.%)
  Smoking 40 (58.8%)
  Not smoking 27 (39.7%)
  Died 1 (1.5%)
Randomized to extended IVR
  No 21 (47.7%)
  Yes 23 (52.3%)