Table 6.

Characteristics of Smokeless Tobacco (ST) Users by Level^* of ST Use (n = 454)

Characteristic	Low (n = 91)	Moderate (n = 181)	Heavy (n = 182)	P value
Mean age first tried (year)	12.8	13.0	10.4	<0.001
Mean age when began using regularly (year)	13.5	14.5	12.7	0.002
Type (%)
Dip	26.3	41.0	32.8	<0.001
Chew	34.6	60.3	5.1
Both	10.2	33.5	56.3
First use after waking (%)
≤30 minutes	5.7	14.1	80.1	<0.001
Quitting self-efficacy (%)
Not at all	3.0	29.9	67.1	<0.001
A little	6.5	24.9	68.6
Somewhat	13.4	43.0	43.6
Very confident	26.6	46.9	26.5
Desire to quit (%)
Not at all	16.1	35.3	48.6	0.082
Somewhat	14.3	42.9	42.8
Very much	24.1	41.6	34.3

^*Low = use in the prior 30 days but not in the prior week (20% of ST users); moderate = use on 1-4 days in the prior week (40% of ST users); heavy = use on 5-7 days in the prior week (40% of ST users).