RT Journal Article T1 Predicting the onset of hazardous alcohol drinking in primary care: development and validation of a simple risk algorithm. A1 Bellón, Juan Ángel A1 de Dios Luna, Juan A1 King, Michael A1 Nazareth, Irwin A1 Motrico, Emma A1 GildeGómez-Barragán, María Josefa A1 Torres-González, Francisco A1 Montón-Franco, Carmen A1 Sánchez-Celaya, Marta A1 Díaz-Barreiros, Miguel Ángel A1 Vicens, Catalina A1 Moreno-Peral, Patricia K1 alcohol consumption K1 clinical prediction rule K1 primary health care AB Little is known about the risk of progressing to hazardous alcohol use in abstinent or low-risk drinkers. To develop and validate a simple brief risk algorithm for the onset of hazardous alcohol drinking (HAD) over 12 months for use in primary care. Prospective cohort study in 32 health centres from six Spanish provinces, with evaluations at baseline, 6 months, and 12 months. Forty-one risk factors were measured and multilevel logistic regression and inverse probability weighting were used to build the risk algorithm. The outcome was new occurrence of HAD during the study, as measured by the AUDIT. From the lists of 174 GPs, 3954 adult abstinent or low-risk drinkers were recruited. The 'predictAL-10' risk algorithm included just nine variables (10 questions): province, sex, age, cigarette consumption, perception of financial strain, having ever received treatment for an alcohol problem, childhood sexual abuse, AUDIT-C, and interaction AUDIT-C*Age. The c-index was 0.886 (95% CI = 0.854 to 0.918). The optimal cutoff had a sensitivity of 0.83 and specificity of 0.80. Excluding childhood sexual abuse from the model (the 'predictAL-9'), the c-index was 0.880 (95% CI = 0.847 to 0.913), sensitivity 0.79, and specificity 0.81. There was no statistically significant difference between the c-indexes of predictAL-10 and predictAL-9. The predictAL-10/9 is a simple and internally valid risk algorithm to predict the onset of hazardous alcohol drinking over 12 months in primary care attendees; it is a brief tool that is potentially useful for primary prevention of hazardous alcohol drinking. YR 2017 FD 2017 LK http://hdl.handle.net/10668/11028 UL http://hdl.handle.net/10668/11028 LA en DS RISalud RD Apr 7, 2025