Self-reported health parameters compared with clinician measurements: methods in practice-based research

Journal of Public Health Management and Practice : JPHMP
Gwendolyn MurphyDon Bradley

Abstract

Self-reported health data are used by health insurance companies to assess risk. Most studies show underreporting compared with clinical measurements. To compare self-reported height, weight, blood pressure, waist circumference, and dietary intake with registered dietitian's (RD's) measures of the same parameters. This is a secondary analysis of data collected in a larger study on the benefits of Medical Nutrition Therapy from an RD for overweight and obese patients when provided free of charge through an insurance benefit. Participants completed a health risk assessment survey at home, from which the self-reported measures were extracted. The clinical measurements were taken by an RD in the office during a visit for Medical Nutrition Therapy. Participants were 81.4% female, with a mean body mass index of 35.0. All were insured and had a least 1 visit with an RD. Main outcomes were correlation between self-reported and RD-measured height, weight, body mass index, blood pressure, and waist circumference. Blood pressure was categorized as normal or high and the κ statistic was used to examine category agreement between the 2 measures. Servings of food groups were compared between the 2 measures by examining cumulative percent wit...Continue Reading

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Citations

Mar 13, 2018·Scandinavian Journal of Public Health·Mirkka MaukonenHanna Tolonen

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