Table 1.

Widowed elders' lifestyle after loss (WELL): Assessments.

Domain	Measure
Depression	Hamilton Rating Scale for Depression, HRSD [30]
	Patient Health Questionnaire-9, PHQ-9 [31]
	PRIME MD/MINI [34]
Anxiety	Generalized Anxiety Disorder 7-item Scale, GAD-7 [32]
Complicated grief	Inventory of Complicated Grief, ICG [33]
Social isolation	Select items from the National Social Life, Health, and Aging Project [35]
Medical illness burden	Cumulative Illness Rating Scale – Geriatrics, CIRS-G [36]
Cognitive function	Modified Mini-Mental State Examination, 3MS [37]
Functional status, physical performance	Short Performance Physical Battery, SPPB [38]
Cardiometabolic health status	Heart rate, blood pressure, body mass index
Disability	Late-life Functional Disability Inventory, LLFDI [39]
Physical activity	CHAMPS Physical Activity Questionnaire [40]
Dietary behavior and intake	Rapid Eating Assessment for Patients, REAP [41]
Sleep	Pittsburgh Sleep Quality Index, PSQI [42]
Chronobiological function	Actigraphy and the Social Rhythm Metric, SRM [43]
Technology acceptance and usability	Technology Acceptance Measure [44] and Post-study Usability Questionnaire [45]
Biosignatures	Inflammatory cytokines (interleukin-6, tumor necrosis-α)

Notes. Participants in Phase I and Phase II receive all of the above assessments.