Promoting adherence in couples-based lifestyle interventions: a pathway to intergenerational health equity

Evidence of epigenetic risk of metabolic syndrome (MetS) from both parents, and its increasing prevalence globally, underscores the necessity for effective lifestyle interventions preconception. Despite this, very few studies have examined couples-based interventions and those which are concerned with foetal health rarely monitor paternal health outcomes(1). This study evaluates the feasibility and adherence of a 10-week couples-based lifestyle intervention targeting diet and physical activity. Utilising an exploratory sequential mixed methods design, the study recruited 16 participants (8 couples) aged 18–44 years, living together with a BMI between 18.5 and 38 kg/m². Participants received personalised dietary and physical activity guidance aligned with national guidelines, with progress tracked via the Easy Diet Diary app and the International Physical Activity Questionnaire (IPAQ). Quantitative data were …