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Table 1 Demographic characteristics at baseline. Values are mean ± standard deviation (range)

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

Characteristic

Active NRT

(n = 209)

Placebo

(n = 105)

Gender

89 M/120 F

42 M/63 F

Age (years)

46.1 ± 10.5 (20-68)

46.6 ± 10.0 (20-67)

Age started smoking (years)

18.3 ± 3.3 (8-30)

18.6 ± 3.9 (12-42)

Cigarettes smoked per day

25.7 ± 9.8 (13*-60)

25.2 ± 8.2 (15-70)

Expired CO level (ppm)

22.9 ± 10.0 (1*-58)

23.9 ± 9.0 (9-54)

Total FTND score

5.8 ± 2.1 (0*-10)

6.2 ± 2.1 (1*-10)

  1. Abbreviations: CO = carbon monoxide; ppm = parts per million, FTND = Fagerström Test of Nicotine Dependence
  2. * All participants fulfilling inclusion criteria were randomised at screening visit, but 12 subjects had reduced smoking between screening and baseline visit explaining the low number of cpd, CO and FTND at baseline in some subjects.
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BMC Public Health

ISSN: 1471-2458

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