期刊
JOURNAL OF CANCER SURVIVORSHIP
卷 12, 期 4, 页码 460-468出版社
SPRINGER
DOI: 10.1007/s11764-018-0685-9
关键词
Self-report; Body mass index; Cancer survivors; African American
资金
- NIH [R01CA185623, R01CA100598, P01CA151135, P30CA072720, P30CA016056]
- Breast Cancer Research Foundation
- New Jersey Commission on Cancer Research Post-Doctoral Award [DHFS16PPC013]
- Surveillance, Epidemiology and End Results (SEER) Program of the National Cancer Institute [HHSN261201300021I, N01-PC-2013-00021]
- National Program of Cancer Registries (NPCR)
- Centers for Disease Control and Prevention [NU5U58DP003931-05-00]
- State of New Jersey
- Rutgers Cancer Institute of New Jersey
- NATIONAL CANCER INSTITUTE [R01CA100598, P30CA016056, R01CA185623, P30CA072720, P01CA151135, K01CA193527] Funding Source: NIH RePORTER
- NATIONAL CENTER FOR CHRONIC DISEASE PREV AND HEALTH PROMO [U58DP003931] Funding Source: NIH RePORTER
Purpose Self-reported weight, height, and body mass index (BMI) are commonly used in cancer epidemiology studies, but information on the validity of self-reports among cancer survivors is lacking. This study aimed to evaluate the validity of these self-reported measures among African American (AA) breast cancer survivors, known to have high obesity prevalence. Methods We compared the self-reported and measured values among 243 participants from the Women's Circle of Health Follow-Up Study (WCHFS), a population-based longitudinal study of AA breast cancer survivors. Multivariable-adjusted linear regressions were used to identify factors associated with reporting errors. We also examined the associations of self-reported and measured BMI with obesity-related health outcomes using multivariable logistic regressions, with hypertension as an example, to evaluate the impact of misreporting. Results We found that self-reported and measured values were highly correlated among all and when stratified by participants' characteristics (intraclass correlation coefficients >= 0.99, 0.84, and 0.96 for weight, height, and BMI, respectively). The agreement between BMI categories (normal, overweight and obese) based on self-reported and measured data was excellent (kappa = 0.81). Women who were older, never smoked, had higher grade tumors, or had greater BMI tended to have overestimated BMI calculated from self-reported weight and height. The BMI-hypertension association was similar using self-reported (OR per 5 kg/m(2) increase 1.63; 95% CI 1.27-2.10) and measured BMI (1.58; 95% CI 1.23-2.03). Conclusions Self-reported weight, height, and BMI were reasonably accurate in the WCHFS. Implications for Cancer Survivors Our study supports the use of these self-reported values among cancer survivors when direct measurements are not possible.
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