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||Diets of drinkers on drinking and nondrinking days: NHANES 2003-2008.
||Breslow RA, Chen CM, Graubard BI, Jacobovits T, Kant AK
||Am J Clin Nutr
||BACKGROUND: Alcohol may affect dietary intake. However, little is known about diets on drinking days in the US population. OBJECTIVE: We determined whether the diets of drinkers differ on drinking compared with nondrinking days. DESIGN: Data were from the 2003-2008 NHANES Mobile Examination Center interview. We identified 1864 current drinkers (1126 men and 738 women) who completed two 24-h dietary recalls, one of which was on a drinking day and the other of which was on a nondrinking day. Sex-specific repeated-measures analyses that were adjusted for dietary recall order and recall day of the week were used to compare within-individual differences in energy, nutrient, and food-group intakes. Analyses were weighted to produce representative estimates. RESULTS: On their drinking (compared with nondrinking) days, men consumed an excess 168 nonalcohol kcal (P < 0.01), which was reflected in higher intakes of nutrients including total protein (P < 0.001), total fat (P < 0.01), saturated fat (P < 0.01), monounsaturated fat (P < 0.01), potassium (P < 0.001), and sodium (P < 0.05). Men also had higher intakes of food groups including meat (P < 0.001), white potatoes (P < 0.05), and discretionary oil and solid fat (P < 0.05) and lower intakes of total fruit (P < 0.05) and milk (P < 0.05). Women did not consume excess nonalcohol kilocalories but had higher intakes of total fat (P < 0.05), monounsaturated fat (P < 0.05), polyunsaturated fat (P < 0.05), potassium (P < 0.01), and discretionary oil and solid fat (P < 0.05) and lower intakes of milk (P < 0.01) and milk products (P < 0.01). CONCLUSIONS: These mostly moderate drinkers had poorer diets on drinking days. Same-day associations between alcohol and diet could be useful targets for public health efforts to improve dietary intake.