Table 3.

Adjusted associations of survey period^a in predicting selected measures of past-year alcohol consumption among U.S. adults 18 years of age and older

	Proportion of past-year drinkers		Average daily ethanol intake (oz.)b		Overall frequency of drinkingb		Prevalence of ≥monthly HEDb
	Beta (SE)	p	Beta (SE)	p	Beta (SE)	p	Beta (SE)	p
Main effects models:
Survey period 2012-13c	0.366 (.040)	.000	0.289 (.033)	.000	0.123 (.026)	.000	0.330 (.036)	.000
Models including interactions with survey period
Survey period 2012-13c	0.346 (.058)	.000	0.238 (.084)	.005	0.134 (.056)	.017	0.169 (.103)	.103
Interaction of survey period w.:
Ages 25-44d	----	----	0.263 (.077)	.001	----	----	0.306 (.086)	.001
Ages 45-64d	----	----	0.153 (.085)	.075	----	----	0.352 (.099)	.000
Ages 65+d	----	----	0.054 (.105)	.607	----	----	0.883 (.136)	.000
Malee	−0.158 (.046)	.001	−0.192 (.046)	.000	−0.140 (.035)	.000	−0.206 (.059)	.001
Blackf	0.301 (.074)	.000	----	----	----	----	0.330 (.083)	.000
Native American	0.393 (.168)	.002	----	----	----	----	−0.107 (.204)	.599
Asian/Pacific Islanderf	0.329 (.113)	.004	----	----	----	----	−0.001 (.181)	.995
Hispanicf	0.169 (.069)	.015	----	----	----	----	0.144 (.079)	.070
Formerly marriedg	----	----	−0.183 (.058)	.002	−0.135 (.047)	.005	−0.274 (.071)	.000
Never marriedg	----	----	0.068 (.058)	.241	0.034 (.042)	.418	−0.034 (.071)	.636
Family income $20,000-34,999h	----	----	----	----	0.032 (.051)	.534	----	----
Family income $35,000-69,999h	----	----	----	----	0.145 (.050)	.004	----	----
Family income $70,000+h	----	----	----	----	0.080 (.055)	.147	----	----

^aControlling for age group, sex, race-ethnic group, marital status, education and family income.

^bAmong past-year drinkers

Referents

^c2001-2002

^dAges 18-24

^eFemale

^fWhite

^gMarried/cohabiting

^hFamily income < $20,000