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Table 2 Primary efficacy results: smoking cessation and smoking reduction.

From: Smoking cessation or reduction with nicotine replacement therapy: a placebo-controlled double blind trial with nicotine gum and inhaler

Definition

Active (n = 209)

Placebo (n = 105)

χ2 p-value

 

n

%

n

%

 

Sustained abstinence from W6 to M4

42

20.1

9

8.6

0.009

Sustained abstinence from M6 to M12

39

18.7

9

8.6

0.019

Point prevalence abstinence at 4 M

55

26.3

14

13.3

0.009

Point prevalence abstinence at 12 M

45

21.5

11

10.5

0.016

Sustained reduction from W6 to M4

41

19.6

25

23.8

 

Sustained reduction from M6 to M12

36

17.2

19

18.1

 
  1. Summary of primary efficacy results: smoking cessation and smoking reduction from week 6 to month 4, and from month 6 to month 12.