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. 2014 Jul;60(7):e362–e371.

Table 2.

Demographic characteristics, health status, and tobacco use history of participants: N = 2501.

PARAMETER VALUE
Mean (SD) age, y 47.7 (14.7)
Male sex, % 38.1
Mean (SD) formal education, y 13.2 (2.8)
Smoking-related illness, %
  • Heart disease, heart failure, or stroke 11.2
  • Diabetes 13.0
  • Cancer 3.5
  • Chronic obstructive pulmonary disease 9.1
Mental health history, %
  • Anxiety or depression 45.7
  • Other diagnosed mental illness 13.0
Mean (SD) cigarettes per d 16.7 (10.4)
Mean (SD) length of time smoking, y 27.9 (15.1)
Time to first cigarette in the morning, %
  • > 60 min 19.6
  • 31 to 60 min 17.8
  • 5 to 30 min 34.8
  • < 5 min 27.7
Readiness to quit,* %
  • Ready in next 30 d 30.6
  • Ready in next 6 mo 41.2
  • Not ready 28.2
Mean (SD) self-efficacy 5.1 (3.0)
Purpose of visit, %
  • Annual examination or index appointment 20.5
  • Follow-up appointment 79.5
*

Which of the following best describes your feelings about smoking right now?

On a scale of 1 to 10, how confident are you that you would be able to quit smoking at this time, 1 being not at all confident and 10 being extremely confident?