title: Comparison of a Medication Inventory and a Dietary Supplement Interview in Assessing Dietary Supplement Use in the Hispanic Community Health Study/Study of Latinos.
abstract: Although dietary supplement use is common, its assessment is challenging, especially among ethnic minority populations such as Hispanics/Latinos. Using the Hispanic Community Health Study/Study of Latinos (HCHS/SOL) (n = 16,415), this report compares two strategies for capturing dietary supplement use over a 30-day period: a medication-based inventory and a nutrition-based dietary supplement interview. Age-standardized prevalence was calculated across multiple dietary supplement definitions, adjusted with survey/nonresponse weights. The prevalence of dietary supplement use was substantially higher as measured in the dietary supplement interview, compared to the medication inventory: for total dietary supplements (39% vs 26%, respectively), for nonvitamin, nonmineral supplements (24% vs 12%), and for botanicals (9.2% vs 4.5%). Concordance between the two assessments was fair to moderate (Cohen's kappa: 0.31-0.52). Among women, inclusion of botanical teas increased the prevalence of botanical supplement use from 7% to 15%. Supplement assessment that includes queries about botanical teas yields more information about patient supplement use.
authors.affiliation: Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.; Program on Integrative Medicine, Department of Physical Medicine and Rehabilitation, University of North Carolina, Chapel Hill, NC, USA.
authors.forename: Keturah R
authors.initials: KR
authors.lastname: Faurot
authors.affiliation: Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
authors.forename: Anna Maria
authors.initials: AM
authors.lastname: Siega-Riz
authors.affiliation: Department of Family Medicine, Boston Medical Center, Boston, MA, USA.
authors.forename: Paula
authors.initials: P
authors.lastname: Gardiner
authors.affiliation: Cooperative Pharmacy Program, University of Texas at Austin/El Paso, El Paso, TX, USA.
authors.forename: José O
authors.initials: JO
authors.lastname: Rivera
authors.affiliation: Department of Medicine, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
authors.forename: Laura A
authors.initials: LA
authors.lastname: Young
authors.affiliation: Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
authors.forename: Charles
authors.initials: C
authors.lastname: Poole
authors.affiliation: Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.; Department of Medicine, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
authors.forename: Eric A
authors.initials: EA
authors.lastname: Whitsel
authors.affiliation: Department of Epidemiology and Biostatistics, Michigan State University, East Lancing, MI, USA.
authors.forename: Hector M
authors.initials: HM
authors.lastname: González
authors.affiliation: Department of Psychology, University of Miami, Coral Gables, FL, USA.
authors.forename: Diana A
authors.initials: DA
authors.lastname: Chirinos-Medina
authors.affiliation: Division of Health Promotion and Behavioral Science, School of Public Health, San Diego State University, San Diego, CA, USA.
authors.forename: Gregory A
authors.initials: GA
authors.lastname: Talavera
authors.affiliation: Division of Health Promotion and Behavioral Science, School of Public Health, San Diego State University, San Diego, CA, USA.
authors.forename: Sheila F
authors.initials: SF
authors.lastname: Castañeda
authors.affiliation: Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.; Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA.
authors.forename: Martha L
authors.initials: ML
authors.lastname: Daviglus
authors.affiliation: Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY, USA.
authors.forename: Janice
authors.initials: J
authors.lastname: Barnhart
authors.affiliation: Division of Health Promotion and Behavioral Science, School of Public Health, San Diego State University, San Diego, CA, USA.
authors.forename: Rebeca E
authors.initials: RE
authors.lastname: Giacinto
authors.affiliation: Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
authors.forename: Linda
authors.initials: L
authors.lastname: Van Horn
keywords: Hispanics/Latinos; dietary supplements; epidemiology; measurement methodology