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Table 6 Characteristics of smoking history that helped participants quit smoking

From: Prisoners and cigarettes or ‘imprisoned in cigarettes’? What helps prisoners quit smoking?

Characteristics p-value Ex-smokers Smokers Total
   n (%) n (%) n (%)
Age when they started smoking
 ≤14 ns 7 (30.45) 54 (59.3) 61 (53.5)
 15-20 ns 11 (47.8) 29 (31.9) 40 (35.1)
 ≥21 .032 5 (21.75) 8 (8.8) 13 (11.4)
Fagerstrom Tolerance Questionnaire
 high dependence (7–10) ns 6 (26.1) 66 (72.5) 72 (63.15)
 average dependence (4–6) <.001 13 (56.5) 14 (15.4) 27 (23.7)
 low dependence (0–3) ns 4 (17.4) 11 (12.1) 15 (13.15)
Smoking habits in prison
 increased ns 7 (30.4) 32 (35.15) 39 (34.2)
 decreased .001 14 (60.9) 22 (24.15) 36 (31.6)
 the same ns 2 (8.7) 37 (40.7) 39 (34.2)
Previous attempts to quit smoking
 no ns 10 (43.5) 74 (81.3) 84 (73.7)
 yes .001 13 (56.5) 17 (18.7) 27 (26.3)
   Mean S.D. Mean S.D. Mean S.D.
Cigarettes/day .006 20.2 8.5 28.5 13.6 26.8 13.1