Accuracy of self-reported weight in the Women's Health Initiative.

ABSTRACT:

Objective

To assess the extent of error present in self-reported weight data in the Women's Health Initiative, variables that may be associated with error, and to develop methods to reduce any identified error.

Design

Prospective cohort study.

Setting

Forty clinical centres in the USA.ParticipantsWomen (n 75 336) participating in the Women's Health Initiative Observational Study (WHI-OS) and women (n 6236) participating in the WHI Long Life Study (LLS) with self-reported and measured weight collected about 20 years later (2013-2014).

Results

The correlation between self-reported and measured weights was 0·97. On average, women under-reported their weight by about 2 lb (0·91 kg). The discrepancies varied by age, race/ethnicity, education and BMI. Compared with n

SUBMITTER: Luo J 

PROVIDER: S-EPMC10260511 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature