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Table 2 Study instruments description and administration

From: Facilitating HIV/AIDS and HIV testing literacy for emergency department patients: a randomized, controlled, trial

Instrument Description Administration
Screening, eligibility and enrollment questionnaire • Karliner, et al. Spanish language proficiency & preference [54] • Baseline
• Ballard and Tighe Idea Proficiency Test II • Administered by RA
• Demographic characteristics & nativity • < 5 min
• US acculturation (for Latinos) per the SASH [63]  
• HIV testing history & HIV-related exclusion screen  
• Willingness to undergo rapid HIV testing  
• Adapted from our prior research [19, 21, 45,46,47,48,49,50,51]  
Short Assessment of Health Literacy-Spanish & English (SAHL-S&E [22]) • Measures health literacy level • Baseline
• Score of ≤14 indicates lower health literacy • Administered by RA
SAHL-S is highly correlated with TOFHLA (r = 0.62), & SAHL-E is highly correlated with REALM (r = 0.94) & TOFHLA (r = 0.68) • 3–5 min
SAHL-S&E reliability is 0.80 & 0.89, respectively
3 single-item screening tests for health literacy [40,41,42,43] • Derived from the S-TOHFLA • Baseline
• AUCs for 3 questions vs. S-TOHFLA (0.66–0.74) vs. REALM (0.72–0.84) • Administered by RA
• < 1 min for each question
HIV testing motivation and behavioral skills questionnaire (Behavioral Skills and motivation) • Measures Motivation: (1) attitudes toward need for HIV testing for oneself, (2) beliefs regarding the value of HIV testing, and (3) self-perceived risk for having an HIV infection; and Behavioral skills: skills and self-efficacy on (1) initiation/seeking of HIV testing, (2) interpretation and response to HIV test results, and (3) assessment of HIV risk and need for repeat testing • Baseline (pre- and post-information by video or pictorial brochure)
• Adapted from our prior research [47, 49, 51] and other author recommendations [74] • Self-administered by telephone
• < 2 min
HIV/AIDS and HIV testing information delivery mode preferences and satisfaction questionnaire • Measures preferences and satisfaction with pictorial brochure or video • Baseline (pre- and post-information by video or pictorial brochure)
• Adapted from our prior research [20] • Self-administered by telephone
• 1 Pre- and post-information question on preferences with delivery mode • 1 min
• 1 post-information question on satisfaction with delivery mode information
HIV/AIDS and HIV testing knowledge questionnaire [21] (Information) • Measures HIV/AIDS and HIV testing knowledge applicable to CDC-recommended information at the time of testing • Baseline (pre- and post-information by video or pictorial brochure)
• Cronbach’s α = 0.80; See A.1. Preliminary research for more details about development, testing, and utilization of this instrument • 3, 6, 9 and 12-month follow-up
• 25 questions; yes/no/don’t know responses • Self-administered by telephone
• 5–10 min
HIV risk-taking questionnaire • Measures number of partners and frequency of condom usage by gender and type of partner (main, casual and exchange partners) and injection-drug use • Baseline
• Based upon CDC National HIV Behavioral Surveillance System (NHBS) • 3, 6, 9, and 12-month follow-up
• Adapted from our prior research [47, 49, 53] • Self-administered by telephone
• 5–10 min
HIV test utilization questionnaire • Queries participants about HIV testing in the follow-up period • 3, 6, 9, and 12-month follow-up
• Adapted from our prior research [47, 49, 51] • Self-administered by telephone
• < 2 min
Repeat rapid HIV testing acceptance questionnaire • Measures participant acceptance of offer of repeat rapid HIV testing at 1 year post-enrollment and reasons for acceptance/decline • 12-month follow-up
• Adapted from our prior research [47] and research by other authors [49, 51, 75,76,77,78,79,80] • Self-administered by telephone
• < 2 min