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Validity of the Process of Change for Colorectal Cancer Screening Among African Americans

  • Original Article
  • Published:
Annals of Behavioral Medicine

Abstract

Background

Process of change (POC) is a construct of the transtheoretical model that proposes to promote healthy behaviors.

Purpose

African Americans participate in colorectal cancer (CRC) screening less often than whites, while disease onset is younger, and incidence and mortality from CRC are higher.

Methods

POC items for CRC screening were administered to 158 African Americans, the majority of whom were female (75.9%) and were not employed (85.4%). Confirmatory factor analysis was used to validate four factors reflecting the POC sub-domains.

Results

Support of the factor validity of the POC with internal consistency of standardized alpha for the four factors was found. A logistic regression showed predictive validity in predicting current screening stage for two of the four sub-domains.

Conclusion

These data support the application of the POC to prediction of CRC screening intention among African Americans.

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Acknowledgments

This work was made possible by the National Cancer Institute, Grant No. R01 CA104130-01, and the Weill Cornell Medical College Clinical and Translational Science Award (NIH UL1-RR024996; Y.L.). We would like to thank the participants of this study for their time and valued contribution. We also acknowledge the contributions of Linda Thelemaque, Rayhana Dhulkifl, Jacob Stebel, and the research team for the data collection and coordination and manuscript preparation.

Conflict of Interest

The authors declare no conflicts of interest. The authors have no financial relationship with the funding agency (NIH). The authors have full control of all primary data and agree to allow the journal to review the data if needed.

Author information

Authors and Affiliations

  1. Department of Psychiatry and Behavioral Sciences, Memorial Sloan-Kettering Cancer Center, 641 Lexington Avenue, 7th Floor, New York, NY, 10022, USA

    Katherine DuHamel Ph.D., Yuelin Li Ph.D. & Parisa Samimi B.A.

  2. Department of Oncological Sciences, Mount Sinai School of Medicine, One Gustave L. Levy Place, Box 1130, New York, NY, 10029, USA

    Katherine DuHamel Ph.D. & Lina Jandorf M.A.

  3. Department of Community Health & Program in Public Health, Brown University, 121 South Main Street, 2nd floor, Providence, RI, 02912, USA

    William Rakowski Ph.D.

Authors
  1. Katherine DuHamel Ph.D.
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  2. Yuelin Li Ph.D.
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  3. William Rakowski Ph.D.
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  4. Parisa Samimi B.A.
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  5. Lina Jandorf M.A.
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Corresponding author

Correspondence to Katherine DuHamel Ph.D..

Additional information

In this manuscript, the term African Americans includes Black Americans.

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DuHamel, K., Li, Y., Rakowski, W. et al. Validity of the Process of Change for Colorectal Cancer Screening Among African Americans. ann. behav. med. 41, 271–283 (2011). https://doi.org/10.1007/s12160-010-9250-0

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  • DOI: https://doi.org/10.1007/s12160-010-9250-0

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