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Table 1 Secondary outcome measure questionnaires

From: DIAMOND (DIgital Alcohol Management ON Demand): a feasibility RCT and embedded process evaluation of a digital health intervention to reduce hazardous and harmful alcohol use recruiting in hospital emergency departments and online

Item Description Collected at baseline Collected at 1 month Collected at 3 months
Demographic characteristics Age, sex, ethnic group, highest educational attainment and area deprivation (measured by Index of Multiple Deprivation [80])
LDQ Leeds Dependence Questionnaire, a 10-item questionnaire [81]
Unit consumption of alcohol per week TOT-AL, an online beverage-specific measure [82] which requires \participants to enter the type and quantity of alcohol drinks consumed on each day of the past week
AUDIT Alcohol Use Disorders Identification Test [39], a 10-item questionnaire developed by the World Health Organization to identify problem drinking
CORE-10 Clinical Outcomes in Routine Evaluation questionnaire [83], a 10-item questionnaire to measure current psychological global distress score developed and validated as a non-proprietary measure of psychological distress
SCQ-8 Situational Confidence Questionnaire [84], an 8-item questionnaire to measure confidence in avoiding alcohol in a range of situations
CSQ-8 Client Satisfaction Questionnaire, an 8-item questionnaire developed to measure satisfaction with care provided by mental health services [85], and also used for assessing satisfaction with alcohol and other substance misuse programmes
Attendance Whether participant attended CDAS or used HeLP-Alcohol at 1 month
Adherence to the intervention (for those randomised to this arm), Measured through automated recording of numbers of log-ins and numbers of pages visited at each log-in
Other sources of support accessed during treatment Using a drop-down menu of options: group therapy, horticulture; acupuncture, art therapy, other therapies (participant to state in free text)