Table 2.

Differences between past-year drinkers who retained their original AUD classification, those who were reclassified as non-AUD using the adjusted withdrawal and larger/longer criteria, and those who were never classified as having an AUD

	Still have AUD (n=45)	Reclassified as no AUD (n=7)	Never had AUD (n=173)
College graduate (%)	57.8	57.1	63.0
Age at time of follow-up survey (mean)	33.8	34.1	36.4
Age started drinking (mean)	17.3	18.6	18.2
Age period of heaviest drinking started (mean)	22.8	20.7	21.4
Biological parent had alcohol problem (%)	33.3	71.4	19.7**
At least 1 significant other suggested should drink less/act differently when drinking, past year (%)	44.4	14.3	1.2**
Had 5+ drinks per day at least once a week, past year (%)	33.3	0	6.9**
Got drunk at least once a month, past year (%)	37.8	28.6	4.6**
Volume of alcohol consumed, past year (number of drinks)
Total volume (mean)	832	257	264**
Volume from light drinking days 1 (mean)	181	164	194**
Volume from heavy drinking days 2 (mean)	518	76	100**
Frequency of drinking, past year (number of days)
Total drinking days (mean)	197	100	100**
Light drinking days 1 (mean)	134	90	85*
Heavy drinking days 2 (mean)	62	9	15**
Very heavy drinking days 3 (mean)	28	4	4**

Overall significance test (F-test or chi-square):

^*p < .05.

^**p < .01.

¹Light drinking days: days consumed 1–4 drinks

²Heavy drinking days: days consumed 5 or more drinks

³Very heavy drinking days: days consumed 8 or more drinks