Table 4.
Study measures, data source, and timing
| Construct (Hypothesis) | Measure | Data type source | Collection points |
|---|---|---|---|
| Participant characteristics | |||
| Demographics | Standardized questions | Survey | T0 |
| Computer experience | Standardized questions | Survey | T0 |
| Health history | Standardized questions | Survey | T0 |
| Aim 1 (Empowerment) | |||
| Patient activation (H1.1) | PAM [56, 57] | Scale | T0, T1, T2 |
| Decision making (H1.1) | Decision Self Efficacy Scale [26] | Scale | T0, T1, T2 |
| eHealth Literacy (H1.1) | eHEALS [23, 24] | Scale | T0, T1, T2 |
| Involvement in Care (H1.2) | Perceived Involvement in Care [25] | Scale | T0, T1, T2 |
| Aim 2 (Evidence-based care) | |||
| HIV adherence self-efficacy (H2.1) | ASES [29] | Survey | T0, T1, T2 |
| Adherence to cART (H2.1) | Past week adherence [28] | Survey | T0, T1, T2 |
| HIV viral load <50 (H2.2) | HIV viral loads (both actual level; and whether undetectable or not) | Chart abstraction | T0, T2 |
| Evidenced based preventive care | Cancer screening/immunizations [58] | Chart abstraction | T0, T3 |
| Aim 3 (Health) | |||
| Physical and Mental health/Quality of Life (H3.1) | SF-12 [27] | Scale | T0, T1, T2 |
| Aim 4 (Moderators) | |||
| Low Activation (H4.1) | PAM and eHEALS (<median) | Scales | T0 |
| Minority race/ethnicity (H4.2) | Standardized questions | Survey | T0 |
| Low education (4.2) | Standardized questions | Survey | T0 |
| Clinician patient centeredness | Instrument on Doctor-Patient Communication Skills. [30] | Scale |