biostudies-literatureStevenson BLNational Institute on Alcohol Abuse and AlcoholismNIDA NIH HHSNIAAA NIH HHSNational Institute on Drug Abuse275-284https://www.ebi.ac.uk/biostudies/studies/S-EPMC9243186biostudies-literatureUnknown37(2)<h4>Objective</h4>We investigated the relationships between daily affect, drinking motives, likelihood of drinking, and intensity of drinking, particularly high-intensity drinking (HID), in a sample of young adults. We also explored differences in our outcomes before versus during the early coronavirus disease (COVID-19) pandemic.<h4>Method</h4>In the springs of 2019 and 2020, young adult drinkers (<i>N</i> = 633) completed 14 consecutive morning surveys (each year) characterizing the prior day's affect, motives, and alcohol use. We examined between-person and within-person associations of affect and motives with two outcomes: any drinking and drinking intensity on drinking days (1 = moderate drinking [1-3 drinks for women, 1-4 drinks for men], 2 = binge drinking [4-7 for women, 5-9 for mePsychology of addictive behaviors : journal of the Society of Psychologists in Addictive BehaviorsDaily associations between affect, drinking motives, and drinking intensity among U.S. young adults.PMC9243186R01 AA023504R01 DA001411R01 DA016575T32DA037183R01DA016575T32 DA037183R01AA023504R01DA001411Patrick MEStevenson BLParks MJfalseDaily associations between affect, drinking motives, and drinking intensity among U.S. young adults.<h4>Objective</h4>We investigated the relationships between daily affect, drinking motives, likelihood of drinking, and intensity of drinking, particularly high-intensity drinking (HID), in a sample of young adults. We also explored differences in our outcomes before versus during the early coronavirus disease (COVID-19) pandemic.<h4>Method</h4>In the springs of 2019 and 2020, young adult drinkers (<i>N</i> = 633) completed 14 consecutive morning surveys (each year) characterizing the prior day's affect, motives, and alcohol use. We examined between-person and within-person associations of affect and motives with two outcomes: any drinking and drinking intensity on drinking days (1 = moderate drinking [1-3 drinks for women, 1-4 drinks for men], 2 = binge drinking [4-7 for women, 5-9 for me2023-01-01T00:00:00Z2023 Mar2025-04-18T16:56:38.252Z2025-04-07T04:25:14.628ZS-EPMC92431863496808310.1037/adb0000809