Development of a motivation-based tool to facilitate individualized self-management interventions for adolescents with asthma

•Adherence to medication regimens among adolescents with asthma is poor.•Tailored interventions based on underlying motivations may improve adherence.•Used segmentation methods, a novel approach, to develop archetypes.•Used photo-diaries followed by semi-structured in-person interviews.•Developed a clinically feasible questionnaire to determine adolescents’ archetypes.