Table 1:

Participant Demographics, drinking and smoking measures

	nsCON N=17	sCON N=31	nsALC N=21	sALC N=23
% Male	82	87	76	91
Age (yrs) mean ± SD (min-max)	48±12 (26–69)	49±9 (33–64)	51±12 (25–71)	49±7 (33–60)
Education (yrs)	16±2	15±2†	15±2	13±2‡*
1-yr avg drinks per month&	12±13	22±19	291±152	387±194*
3-yr avg drinks per month&	14±13	22±19	248±135	378±202*
Lifetime avg drinks per month&	18±14	26±13	171±93	256±129*
Total lifetime drinks˜	6759±5642	9540±6691	72403±53646	100697±60623
Fagerstrom total score	NA	4.8±1.6	NA	4.0±1.6
Cigarettes per day	NA	18.3±6.7	NA	15.1±7.1
Years smoking at current level	NA	16±12	NA	15±12
Total years smoking	NA	29±11	NA	26±9

Abbreviations: nsCON=non-smoking controls, sCON=smoking controls, nsALC=non-smoking abstinent alcohol-dependent treatment seekers, sALC= smoking abstinent alcohol-dependent treatment seekers.

^&1 standard alcoholic drink contains 13.6 g of ethanol

^†sCON < nsCON, uncorrected p≤0.05

^‡sALC < nsCON, uncorrected p≤0.05

^*sALC < nsALC (edu) and sALC > nsALC (drinking severity measures)

All other pairwise comparisons, uncorrected p>0.05