Self-report versus objective measurement of weight history: implications for pre-treatment weight gain

There is increasing concern that patients gain considerable weight in the year prior to treatment and that outcomes may not reflect true treatment losses. To date, we know little about the accuracy of self-reported weight change prior to treatment. To investigate weight gain, and accuracy of self-re...

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Bibliographic Details
Published in:Journal of behavioral medicine 2019-12, Vol.42 (6), p.1142-1147
Main Authors: Phimphasone-Brady, Phoutdavone, Dorflinger, Lindsey M., Ruser, Christopher, Bullock, Anastasia, Godfrey, Kathryn M., Hernandez, Dominica, Min, Kathryn M., Masheb, Robin M.
Format: Article
Language:English
Subjects:
Accuracy
Aged
Body Weight - physiology
Brief Report
Clinical research
Comparative analysis
Demographic aspects
Difference scores
Eating behavior
Eating disorders
Electronic health records
Electronic medical records
Family Medicine
Feeding Behavior
Female
General Practice
Health behavior
Health Psychology
Humans
Insomnia
Male
Measurement
Medical records
Medicine
Medicine & Public Health
Mental health
Middle Aged
Obesity
Obesity - therapy
Overweight
Pain
Patients
Post traumatic stress disorder
Primary care
Questionnaires
Self Report
Variability
Veterans
Weight control
Weight gain
Weight Gain - physiology
Weight loss
Weight Reduction Programs
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Summary:There is increasing concern that patients gain considerable weight in the year prior to treatment and that outcomes may not reflect true treatment losses. To date, we know little about the accuracy of self-reported weight change prior to treatment. To investigate weight gain, and accuracy of self-reported recent weight history, Veterans (n = 126) reported their current weight and one-year weight history prior to entering treatment. These weights were compared to electronic medical record weights. Patients gained an average of 2.03 kg (4.5 lbs) in the year prior to treatment. Self-report and objective weight assessments showed high concurrent validity at the group level. However, standard deviations for the absolute difference scores revealed high individual variability in historical reporting, suggesting that weight loss seeking patients are inaccurate reporters of recent weight. Our findings have implications for the emerging area of pre-treatment weight gain research and processes for clinical care.
ISSN:0160-7715
1573-3521
DOI:10.1007/s10865-019-00045-0