<prompt> Translate the following text to EnglishKatika kipindi cha miezi 12 ya kufuatilia, kikundi cha uingiliaji kilionyesha kupunguzwa kwa wastani kwa kunywa kwa vinywaji 22 kwa wiki ikilinganishwa na kupunguzwa kwa vinywaji 7 kwa wiki kwa kikundi cha kudhibiti.  <response>: At the 12-month follow-up, the intervention group demonstrated an average reduction in drinking of 22 drinks per week compared with a reduction of 7 drinks per week for the control group. 