Document Type

Article

Publication Date

11-24-2014

Description

Background: Uptake of screening remains crucial in the prevention of both the incidence of colorectal cancer (CRC) and its mortality.

Objectives: To estimate the prevalence of CRC screening and identify chronic conditions that predict CRC screening uptake among US adults using the 2012 National Health Interview Survey (NHIS) data.

Materials and Methods: A cross-sectional analysis of the 2012 NHIS data. Chronic conditions examined were hypertension, cancer history, arthritis, ulcer, and high cholesterol level. A total of 21,511 participants were included in the analysis. Weighted univariate and multiple logistic regression analyses in SAS ver. 9.2 were used to estimate the odds ratios (ORs) with 95% confidence intervals (CIs).

Results: The overall prevalence of CRC screening was 19%. The prevalence of CRC screening in adults with cancer history, hypertension, ulcer, high cholesterol, and arthritis was significantly higher than those without the chronic conditions (26% vs.18%, 23% vs.16%, 25% vs.18%, 23% vs. 16%, and 23% vs. 17%, respectively). After adjusting for potential factors, hypertension (OR=1.18, 95%CI=1.08-1.30), ulcer (OR=1.28, 95%CI=1.10-1.48), high cholesterol (OR=1.25, 95%CI=1.14-1.39), and arthritis (OR=1.24, 95%CI=1.12-1.37) were all positively associated with CRC screening (p<0.05). Females were less likely to screen for CRC than to males (OR=0.72; 95% CI=0.65-0.80). Compared to young adults (18-44 years), screening was significantly higher in middle-aged (45-64 years) and elder adults (65+) (OR=2.60, 95%CI=2.11-3.21 and OR=2.67, 95%CI=2.13-3.33, respectively). African Americans were more likely to screen for CRC compared to their white counterparts (OR=1.61, 95% CI=1.44-1.81).

Conclusions: We have found significant associations between chronic conditions and CRC screening uptake. We also found higher uptake of CRC screen in African Americans than Whites, in contrast to earlier findings.

Copyright Statement

2014 Wang KS et al.

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