Shaun K. Riebl|Allyson C Paone|Valisa E. Hedrick|Jamie Zoellner|Paul A. Estabrooks|Brenda M. Davy
The Comparative Validity of Interactive Multimedia Questionnaires to Paper-Administered Questionnaires for Beverage Intake and Physical Activity: Pilot Study
Virginia Tech|Virginia Tech|Virginia Tech|Virginia Tech|Virginia Tech|Virginia Tech
background brief valid reliable dietary physical activity assessment tools needed interactive computerized assessments ie visual cues pictures sounds voiceovers reduce administration scoring burdens commonly encountered paperbased assessments objective purpose pilot investigation evaluate comparative validity reliability interactive multimedia imm versions ie imm1 imm2 compared validated paperadministered pp versions beverage intake questionnaire bevq15 stanford leisuretime activity categorical item lcat secondary purpose evaluate results across two education attainment levels methods adults 21 years older n60 recruited complete three laboratory sessions separated three seven days randomly assigned sequence following assessments8211demographic information two imm one paperbased pp version bevq15 lcat health literacy imm usability survey results responses across beverage categories imm1 pp versions validity r3498 imm1 imm2 administrations reliability r6194 p60001 significantly correlated paired tests revealed significant differences sugarsweetened beverage ssb grams kcal p02 p01 respectively total beverage kcal p03 imm1 imm2 however comparative validity demonstrated imm2 pp version suggesting familiarization imm tool may influence participant responses mean differences ssb 63 grams sem 87 p52 ssb 21 kcal sem 33 p48 total beverage 65 kcal sem 49 p19 overall mean scores pp imm versions lcat different p60001 however responses versions correlated p60001 differences education categories noted lcat administration imm1 p008 imm2 p001 pp p002 major minor themes user feedback suggest imm questionnaires easy complete relevant participants typical beverage choices physical activity habits conclusions general less educated participants consumed total beverage ssb energy reported less engagement physical activity imm bevq15 appears valid reliable measure assess habitual beverage intake although software familiarization may increase response accuracy immlcat considered reliable may permitted respondents freely disclose actual physical activity levels versus paperadministered tool future largerscale investigations warranted confirm possibilities