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. 2012 Jul 7;12:508. doi: 10.1186/1471-2458-12-508

Table 7.

Characteristics of past use of addictive substances that helped participants quit smoking

Characteristics
p-value
Ex-smokers
Smokers
Total
    n (%) n (%) n (%)
Use of addictive substances
 no
.029
19
(82.6)
51
(56)
70
(61.4)
 yes ns 4 (17.4) 40 (44) 44 (38.6)