Heaviness of smoking index

On the days that you smoke, how soon after you wake up do you have your first cigarette?	After 60 minutes	31 to 60 minutes	6 to 30 minutes	Within 5 minutes
	0	1	2	3
How many cigarettes do you typically smoke per day?	10 or fewer	11 to 20	21 to 30	31 or more
	0	1	2	3
Total =	____	+____	+____	+____
Scoring: Level of nicotine dependence
0 to 2: Low
3 to 4: Moderate
5 to 6: High

The Heaviness of Smoking Index is a 2-question instrument to assess the degree of nicotine dependence in individuals who smoke cigarettes. It was developed from the Fagerstrom Tolerance Questionnaire and the Fagerstrom Test for Nicotine Dependence. Higher levels of nicotine dependence are associated with more difficulty in stopping smoking.

Reference:

Heatherton TF, Kozlowski LT, Frecker RC, et al. Measuring the heaviness of smoking: Using self-reported time to the first cigarette of the day and number of cigarettes smoked per day. Br J Addict 1989; 84:791.

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Heaviness of smoking index