Effectiveness of a 12 Week Theory Driven Intervention Promoting Adherence to the MIND Diet

Feasibility and Acceptability of a 12 Week Online Dietary Intervention Promoting the MIND Diet Using the COM-B Model

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.

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

Inclusion Criteria:

. Healthy male and female aged 40-55 living in NI

Exclusion Criteria:

• 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.