Evaluation of a peer support intervention to improve the breakfast habits of Japanese college students.

Objectives. This study investigated the impact of a peer support intervention on the breakfast habits of university students in Japan. Both breakfast frequency and breakfast composition were assessed. Design: The study adopted a combination of convergent and intervention designs and used a mixed-methods approach. Setting. College-based peer-support intervention taking place in Sapporo, Hokkaido, Japan. Methods. Questionnaires on demographic characteristics and breakfast habits were administered to participants (n = 27) before the online workshop, immediately afterwards, and at 3 and 6months after the peer support intervention, coupled with a 4-week breakfast status report. Semi-structured interviews were then conducted with 17 participants to gain a more detailed understanding of the impact of the intervention. Results. Quantitative results showed that immediately after the intervention, breakfast intake frequency and breakfast composition improved significantly; however, post-intervention, there was a difference in persistence between frequency and composition. In the qualitative element of the study, "peer...