Feasibility and Acceptability of a 12 Week Online Dietary Intervention Promoting the MIND Diet Using the COM-B Model
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 41
- 试验地点
- 1
- 主要终点
- Cognitive function
研究概览
简要总结
This study aims to test the feasibility and acceptability of a 12 week online dietary promoting MIND diet behaviour. This study also tests the effectiveness of the MIND diet on cognitive function, mood, quality of life and participants capability, opportunity and motivation towards adoption of the MIND diet.
详细描述
This study is a randomized controlled prospective follow up study, condition (control Vs intervention) x time(baseline Vs follow up) ANOVA with repeated measures design. Outcome measures for COM-B, cognitive function, mood and quality of life were recorded for both the intervention and control groups. With power set at .80, and alpha = .05, G*Power indicated that a sample size of 36 would be required. Forty-one participants took part in the study. Participants were healthy male, and female aged between 40-55 years old living in Northern Ireland.
There are 2 intervention arms and one control group. The intervention was designed using the Behaviour Change Wheel, with prior qualitative research informing the intervention.
All statistical analyses were performed using the Statistical Package for the Social Sciences (SPSS) with significance set at P < 0.05 throughout
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Factorial
- 主要目的
- Prevention
- 盲法
- None
入排标准
- 年龄范围
- 40 Years 至 55 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •. Healthy male and female aged 40-55 living in NI
排除标准
- •Anyone on a specific dietary pattern (veganism, vegetarian, Atkins)
- •Anyone on a specific diet recommended by their Doctor (eating disorder)
- •Specific illnesses such as high cholesterol, diabetes, heart disease, dementia.
研究组 & 干预措施
MIND diet with support
This intervention group are to follow the MIND diet guidelines for 12 weeks with the support of a 12 week online theory driven website and resources
干预措施: MIND diet (Behavioral)
MIND diet no support
This group are to follow the MIND diet guidelines with no website support
干预措施: MIND diet with no support (Behavioral)
Control
The group follow usual diet
结局指标
主要结局
Cognitive function
时间窗: 12 weeks
Tests used for this study were spatial working memory (SWM), spatial span (SSP), pattern recognition memory (PRM) and reaction time (RTI). These tests are computerised and measure the length of time it takes to complete task in milliseconds.
次要结局
- Capability, opportunity, motivation and behaviour model(12 weeks)
- Mood(12 weeks)
- World Health Organisation Bref Quality of life(12 weeks)
研究者
Deirdre Timlin
Principle investigator
University of Ulster