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Obes Surg. 2013 Sep;23(9):1404-12. doi: 10.1007/s11695-013-0901-7.

Validation of a weight history questionnaire to identify adolescent obesity.

Author information

1
Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, MLC 7000, Cincinnati, OH 45229-3039, USA. Todd.jenkins@cchmc.org

Abstract

BACKGROUND:

Past body weight may be a more informative factor than current weight for risk of chronic disease development. Often, investigators must rely on subject recall to gauge past body weights. The Cincinnati Weight History Questionnaire (CWHQ) was developed to aid in the retrospective identification of adults who were obese during adolescence.

METHODS:

To assess validity, the CWHQ was administered to a subset of National Heart, Lung, and Blood Growth and Health Study (NGHS) participants, a group of young adult females for whom historical measured anthropometrics were available. One hundred ninety-eight NGHS participants were contacted, of whom 191 (97 %) responded (age 26-29). Participants were asked to recall height and weight from ages 13 and 18, which were compared to previously measured values. Multiple indices of validity (Bland-Altman plots, sensitivity, and specificity) were calculated.

RESULTS:

The CWHQ was moderately sensitive (range, 19-66 %), but highly specific (range, 89-100 %). Recalled height and weight values used to determine body mass index (BMI) underestimated BMI based on recorded height and weight at ages 13 and 18. Differences in calculated BMI based on recalled and measured height and weight were found to increase with BMI calculated using measured values.

CONCLUSIONS:

The CWHQ proved to be a moderately sensitive, but highly specific instrument for detecting adolescent obesity in a cohort of young adult females. Epidemiologic research seeking to discriminate between adults with adult-onset vs. adolescent-onset obesity may find the CWHQ useful.

PMID:
23475789
DOI:
10.1007/s11695-013-0901-7
[Indexed for MEDLINE]

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