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Table 2 Study measures and administration schedule

From: Supporting treatment adherence for resilience and thriving (START): protocol for a mHealth randomized controlled trial

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Assessment

Variable and measure

Items

BL I

BL II

3-month

6-month

9-month

12-month

Primary Outcome

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HIV viral load (DBS)

NA

Xa

—b

—

X

—

X

Secondary Outcomes

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Stimulant use

(NM-ASSIST) [70]

7c

X

—

X

X

X

X

ART adherence (Wilson) [77]

3

X

—

X

X

X

X

ART adherence (VAS) [78]

1

X

—

X

X

X

X

Positive affect (modified DES) [79]

26

X

X

X

X

X

X

Other Variables of Interest

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Information, motivation, and behavioral skills (LW-IMB-AAQ) [60]

18

X

—

X

X

X

X

ART adherence self-efficacy (HIV-ASES) [80]

17

X

—

X

X

X

X

Engagement in HIV care (Appendix 1)

7

X

—

X

X

X

X

Sexual behavior in aggregate

(Appendix 1)

12

X

—

X

X

X

X

Sexual behavior by encounter [81]

19

X

—

—

X

—

X

Depression and anxiety (PHQ-4) [82]

4

X

—

X

X

X

X

Relationship problems (ASI Lite) [83]

9

—

X

—

X

—

X

Social support (MAPSS-SF) [84]

3

—

X

—

X

—

X

Technology use [85]

12

—

X

—

—

—

—

eHealth literacy (eHEALS) [86]

9

—

X

—

—

—

—

  1. Note BL = baseline; DBS = dried blood spot; NM-ASSIST = NIDA-modified alcohol, smoking, and substance involvement screening test; ART = antiretroviral therapy; VAS = visual analog scale; DES = differential emotions scale; LW-IMB-AAQ = LifeWindows information–motivation–behavioral skills art adherence questionnaire; HIV-ASES = HIV treatment adherence self-efficacy scale; PHQ-4 = 4-item patient health questionnaire; ASI = addiction severity index; MAPPS-SF = multifactorial assessment of perceived social support, short form; eHEALS = eHealth literacy scale
  2. a X indicates measure is included in assessment
  3. b — indicates measure is not included in assessment
  4. c Items asked for each of ten substances, including methamphetamine and cocaine