TABLE 3—

Smoking Frequency and Intensity Among SD and ED Smokers

	Number of Days of the Past 30 on Which SD Smoker Smoked
	1–5 (n = 1353)	6–10 (n = 1290)	11–15 (n = 1679)	16–20 (n = 1512)	21–25 (n = 481)	26–30 (n = 593)	All SD Smokers (n = 6908)	ED Smokers (n = 31 178)
Mean number of days smoked of past 30	3.3	9.1	14.7	19.8	24.4	29.4	14.5	30
Percent of all smokers	3.6	3.4	4.4	4.0	1.3	1.6	19.2a	80.8a
Percent of SD smokersb	19.6	18.7	24.3	21.9	7.0	8.6	100.0
Mean number cigarettes per smoking day	5.2	5.1	6.2	6.9	8.6	9.3	6.1	18.9
Mean dose of cigarettes per month	16.6	46.6	90.5	136.7	209.8	273.8	102.0	566.4

Note. With the indicated exceptions, figures exclude 919 smokers with missing cigarette consumption data. SD = some-day; ED = every-day.

^aIncludes smokers with missing cigarette consumption data.

^bNumbers do not sum to 100 owing to rounding.