Optimizing E-interventions for Alcohol Use: Do Common Factors Apply?
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 352
- 试验地点
- 2
- 主要终点
- Mean Drinks Per Day
研究概览
简要总结
The project seeks to develop an effective computer-delivered brief intervention to reduce alcohol use using the Multiphase Optimization Strategy (MOST). Sixteen different versions of the intervention will be tested with manipulation of common factors (empathy & positive regard), use of a voice, and use of an animated narrator. Participants will include 352 undergraduate students randomly assigned to one intervention condition; follow-up assessments will take place at one and 3 months. The main outcome will be means drink per day over the past 30 day.
详细描述
The proposed project seeks to develop a maximally effective computer-delivered brief intervention (CDBI) for reducing heavy alcohol use. To accomplish this, we will use the Multiphase Optimization Strategy (MOST), an efficient method for optimizing intervention content, beginning with factorial designs evaluating main and interaction effects of specific intervention components. Our selection of components will be guided by: (a) Common Factors Theory, which highlights the tremendous contribution of non-specific factors, such as empathy and positive regard, to therapy outcomes, but which is of unknown relevance to CDBIs; and (b) Media Equation Theory, which suggests that people automatically respond to computers in social ways, particularly when those computers replicate human characteristics. To accomplish these goals, we will examine outcomes of computer-delivered brief interventions in which common factors (empathy & positive regard), use of a voice, and use of an animated narrator are systematically manipulated using a factorial design. We will also systematically manipulate the presence vs. absence of motivational content in order to examine possible interactions between common factors and specific motivational techniques. Participants will be 352 undergraduates who are randomly assigned to 1 of 16 intervention conditions. Mean drinks per day over the past 30 days will be measured at 1 and 3-month follow-ups. Secondary analyses will also examine past month heavy drinking days, alcohol-related consequences, and intention to reduce alcohol use. We hypothesize that there will be significant main effects for (1) the factor consistent with Common Factors Theory (empathy and positive regard), (2) the two factors consistent with Media Equation Theory (voice and narrator), and (3) the presence of motivational content. We further hypothesize that mean drinks/day will be lower when (1) the common factors (empathy, positive regard) are combined with a voice and/or narrator or (2) motivational content is combined with common factors and/or a voice/narrator.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Factorial
- 主要目的
- Treatment
- 盲法
- Single (Participant)
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Participants must be students at Wayne State University, aged 18 or older. Additionally, participants must report either (1) consuming 3 (women)/4 (men) drinks per day or 7 (women)/14 (men) drinks per week, (2) getting drunk at least once per week over the past 6 months or (3) binge drinking at least once per week over the past 6 months (i.e. more than 4 (women)/5 (men) drinks in a 2 hr. period).
排除标准
- •Individuals who are under the age of 18, or who do not meet the study's drinking criteria
研究组 & 干预措施
Arm 1
Participants will complete a brief tablet-based intervention created to include the following features: no common factors, no human voice, no animated narrator, and no motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 2
Participants will complete a brief tablet-based intervention created to include the following features: no common factors, no human voice, no animated narrator, and motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 3
Participants will complete a brief tablet-based intervention created to include the following features: no common factors, no human voice, the presence of an animated narrator, and no motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 4
Participants will complete a brief tablet-based intervention created to include the following features: no common factors, no human voice, the presence of an animated narrator, and motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 5
Participants will complete a brief tablet-based intervention created to include the following features: no common factors, a human voice guiding the intervention, no animated narrator, and no motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 6
Participants will complete a brief tablet-based intervention created to include the following features: no common factors, a human voice guiding the intervention, no animated narrator, and the presence of motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 7
- Participants will complete a brief tablet-based intervention created to include the following features: no common factors, a human voice guiding the intervention, an animated narrator guiding the intervention, and no motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 8
Participants will complete a brief tablet-based intervention created to include the following features: no common factors, a human voice to guide the intervention, an animated narrator to guide the intervention, and the presence of motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 9
Participants will complete a brief tablet-based intervention created to include the following features: common factors, no human voice, no animated narrator, and no motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 10
Participants will complete a brief tablet-based intervention created to include the following features: common factors, no human voice, no animated narrator, and the presence of motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 11
Participants will complete a brief tablet-based intervention created to include the following features: common factors, no human voice, an animated narrator to guide the intervention, and no motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 12
Participants will complete a brief tablet-based intervention created to include the following features: common factors, no human voice, an animated narrator to guide the intervention, and the presence of motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 13
- Participants will complete a brief tablet-based intervention created to include the following features: common factors, a human voice to guide the intervention, no animated narrator, and no motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 14
Participants will complete a brief tablet-based intervention created to include the following features: common factors, a human voice to guide the intervention, no animated narrator, and the presence of motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 15
Participants will complete a brief tablet-based intervention created to include the following features: common factors, a human voice to guide the intervention, an animated narrator to guide the intervention, and no motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
Arm 16
Participants will complete a brief tablet-based intervention created to include the following features: common factors, a human voice to guide the intervention, an animated narrator to guide the intervention, and the presence of motivational content.
干预措施: Brief Tablet-based Intervention to Address Heavy Alcohol Use (Behavioral)
结局指标
主要结局
Mean Drinks Per Day
时间窗: 1 month and 3 months after baseline
Average of reports from past 30 days on the number of standard drinks consumed by participant over the past 30 days.
次要结局
- Number of Heavy Drinking Days Per Month(1 month and 3 months after baseline)
- Report of Alcohol Related Consequences(1 month and 3 months after baseline)
- Intention to Reduce Alcohol Use(1 month and 3 months after baseline)
研究者
Emily Grekin
Associate Professor
Wayne State University