Table 2.
Baseline and follow-up data collection methods and frequency
| Construct | Measure/Source | Timepoint |
|---|---|---|
| Primary Outcome | ||
| Depression symptoms | Hamilton Rating Scale for Depression30 | T1 - T5 |
| Secondary Outcomes | ||
| Major depressive disorder | PRIME MD/Mini46 | T1 - T5 |
| Prolonged grief disorder | Prolonged Grief Disorder 13 - Revised47 | T1 - T5 |
| Anxiety | Generalized Anxiety Disorder-738 | T1 - T5 |
| Complicated grief Suicidal ideation/behavior |
Inventory of Complicated Grief39; Beck Suicidal Ideation Scale 41 |
T1 - T5 T1 - T5 |
| Post-traumatic stress | Post-traumatic Stress Disorder Checklist for DSM-V48 | T1 - T5 |
| Personal growth | Post-traumatic Growth Inventory49 | T1 - T5 |
| Hypothesized Target | ||
| Social/behavioral rhythm | Social Rhythm Metric26 | T1 - T5 |
| 24-hr sleep/wake rhythm | Rest activity rhythm regularity (inter-daily stability) | T1, T1a, T1b, T2 |
| Correlates of depression | ||
| Medical comorbidity | Cumulative Illness Rating Scale-Geriatrics50 | T1, T2 |
| Disability | Late-life Function and Disability Instrument51 | T1, T2 |
| Insomnia | Insomnia Severity Index33 | T1, T2 |
| Interpersonal support | Interpersonal Support Evaluation List52 | T1, T2 |
| Negative life events | Elders’ Life Stress Inventory53 | T1, T2 |
| Exploratory outcomes | ||
| Physical activity | Physical Activity Scale for the Elderly54 | T1 - T5 |
| Nutrition | Rapid Eating Assessment for Participants55 | T1 - T5 |
| Sleep | Pittsburgh Sleep Quality Index56; Sleep Duration and Sleep Efficiency via actigraphy | T1 - T5 |
| Alcohol use | Short Michigan Alcoholism Screening Instrument – Geriatric Version57 | T1 - T5 |
| Social connectedness | UCLA Loneliness Scale58; Social Connectedness and Assurances Scale59; Social Network Index60 | T1 - T5 |
| Intervention engagement | ||
| Technology acceptance | Technology Acceptance Measure61 | T1, T2 |
| Technology usability | Post-Study Usability Questionnaire62 | T1, T2 |
Notes. T1 = baseline assessment; T1a = RAR and depression assessment at month 1 of the intervention period; T1b = RAR and depression assessment at month 2 of the intervention period; T2 = post-intervention assessment; T3 = 3 months post-intervention; T4 = 6 months post-intervention; and T5 = 12 months post-intervention.