Table 3.

Domains elicited during cognitive interviews and modifications made to subsequent project phases.

Domain	Definition	Modification		Rationale for Modification
		Phase 2 (Quantitative measures)	Phase 3 (Qualitative measures)
Access to care	Ability to get health care and/or supplies for T2DM self-management, perceived quality of providers, and care coordination.	—	Added probe to interview guide	In-depth responses can inform subsequent study
Comorbidities	Management of T2DM with other chronic illnesses, and side-effects of T2DM and other medications	—	Added probe to interview guide	Understanding of comorbidities and medications on T2DM self-management
Disruptions in routine	Changes in lifestyle that impact T2DM self-management (e.g., death of a family member, caregiver responsibilities)	—	—	Addressed by proposed measures and interview questions
Fluctuations in emotion and behaviors	Changes in emotion, behavior, and motivation after life and health events	—	Added probe to interview guide	In-depth responses can describe fluctuations and self-management
Interactions with providers	Interactions and communication with one’s providers	—	—	Addressed by proposed measures and interview questions
Lifelong nature of diabetes	Diabetes as a life-long disease	—	Added probe to interview guide	In-depth responses will describe longitudinal experience living with T2DM
Mental health concerns	Mental health (e.g., depression) or memory challenges and T2DM self-management	—	Added question to interview guide	In-depth responses can inform subsequent study
Military as culture	Military participation and involvement on actions and beliefs	Added questions on military experience	Added question to interview guide	In-depth responses will describe military experience on T2DM self-management
Personal characteristics	Statements of personal responsibility or discipline for T2DM self-management	—	—	Addressed by proposed measures and interview questions
Physical limitations	Physical effects of T2DM and limitations to physical health	—	Added probe to interview guide	In-depth responses can inform on physical limitations in T2DM self-management
Physical pain	Physical pain and engagement in T2DM self-management behaviors and activities	Added measure to examine pain interference	Added probe to interview guide	Data will describe impact of physical pain on T2DM self-management
Sources of information and support	Sources of information and support for T2DM self-management	—	—	Addressed by proposed measures and interview questions
Spirituality	Statements of faith and religion in relation to T2DM self-management	—	—	Unprompted responses in qualitative interviews can inform subsequent study
Stigma	Feelings of shame and feeling different because of T2DM diagnosis and living with T2DM	Added measure to examine stigma	Added question to interview guide	Data will describe impact of stigma on T2DM self-management

Note: T2DM, type 2 diabetes mellitus; —, no modification made.