biostudies-literatureLeightley DMedical Research CouncilNational Institute for Health Research (NIHR)e10074https://www.ebi.ac.uk/biostudies/studies/S-EPMC6231744biostudies-literatureUnknown6(9)<h4>Background</h4>Self-reported alcohol misuse remains high in armed forces personnel even after they have left service. More than 50% of ex-serving personnel meet the criteria for hazardous alcohol use; however, many fail to acknowledge that they have a problem. Previous research indicates that interventions delivered via smartphone apps are suitable in promoting self-monitoring of alcohol use, have a broad reach, and may be more cost-effective than other types of brief interventions. There is currently no such intervention specifically designed for the armed forces.<h4>Objective</h4>This study sought to describe the development of a tailored smartphone app and personalized text messaging (short message service, SMS) framework and to test the usability and feasibility (measured and reporJMIR mHealth and uHealthA Smartphone App and Personalized Text Messaging Framework (InDEx) to Monitor and Reduce Alcohol Use in Ex-Serving Personnel: Development and Feasibility Study.PMC6231744HTA/13/86/03MR/K023195/1RP-PG-0609-10162G0701681G0701818NF-SI-0616-1007713/86/03MR/N028244/2MR/N028244/1Jones NLeightley DField MChui ZGoodwin LMahmoodi TRona RJPuddephatt JADrummond CFear NTfalseA Smartphone App and Personalized Text Messaging Framework (InDEx) to Monitor and Reduce Alcohol Use in Ex-Serving Personnel: Development and Feasibility Study.<h4>Background</h4>Self-reported alcohol misuse remains high in armed forces personnel even after they have left service. More than 50% of ex-serving personnel meet the criteria for hazardous alcohol use; however, many fail to acknowledge that they have a problem. Previous research indicates that interventions delivered via smartphone apps are suitable in promoting self-monitoring of alcohol use, have a broad reach, and may be more cost-effective than other types of brief interventions. There is currently no such intervention specifically designed for the armed forces.<h4>Objective</h4>This study sought to describe the development of a tailored smartphone app and personalized text messaging (short message service, SMS) framework and to test the usability and feasibility (measured and repor2018-01-01T00:00:00Z2018 Sep2025-04-18T21:16:55.382Z2019-10-30T08:14:11ZS-EPMC62317443020605410.2196/10074