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Table 5 Association between potential predictors and smoking status at week 52 - for those randomized

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

Variable

Smoking (n = 14)

Not smoking (n = 26)

p-value1

Treatment group

 

0 .333

  Control

5 (26.3%)

14 (73.7%)

 

  Extended IVR

9 (42.9%)

12 (57.1%)

 

Sex

 

0.736

  Male

8 (32.0%)

17 (68.0%)

 

  Female

6 (40.0%)

9 (60.0%)

 

Present living status

 

0.510

  Married/Cohabiting

6 (28.6%)

15 (71.4%)

 

  Single/Others2

8 (42.1%)

11 (57.9%)

 

Age at baseline

 

0.966

  Median (IQR)

57.5 (50.0, 63.0)

59.0 (48.0, 64.0)

 

  Mean (SD)

56.3 (8.5)

55.3 (11.8)

 

  Min & max

(41.0, 69.0)

(27.0, 73.0)

 

Weight at baseline (kg)

 

0.092

  Median (IQR)

69.7 (64.2, 77.4)

80.9 (68.1, 91.5)

 

  Mean (SD)

72.9 (15.4)

82.4 (19.8)

 

  Min & max

(55.1, 111.0)

(48.4, 136.0)

 

Waist at baseline (cm)

 

0.072

  Median (IQR)

87.8 (83.0, 95.0)

96.5 (89.0, 103.5)

 

  Mean (SD)

90.1 (13.6)

97.3 (13.9)

 

  Min & max

(71.0, 125.5)

(72.5, 134.0)

 

Number of cigs. smoked per day at baseline

 

0.493

  Median (IQR)

19.0 (12.0, 25.0)

17.0 (13.0, 20.0)

 

  Mean (SD)

18.9 (8.4)

16.9 (7.3)

 

  Min & max

(7.0, 37.0)

(6.0, 40.0)

 
  1. 1Depending on the type of the variable, p-value is based on Fisher’s exact test or Wilcoxon rank-sum test.
  2. 2Others include widowed, separated, divorced and coupled (not cohabiting).