Elsevier

Preventive Medicine

Volume 28, Issue 3, March 1999, Pages 276-283
Preventive Medicine

Regular Article
The Next Step Trial: Impact of a Worksite Colorectal Cancer Screening Promotion Program,☆☆

https://doi.org/10.1006/pmed.1998.0427Get rights and content

Abstract

Background.The Next Step Trial was a randomized trial of worksite colorectal cancer screening promotion and nutrition interventions for automobile industry employees at increased risk of colorectal cancer. Interventions were tested at 28 worksites with 5,042 employees. This report describes results of the screening promotion intervention.

Methods.Worksites randomized to the control group received a standard program including rectal examination, fecal occult blood testing, and flexible sigmoidoscopy. Intervention worksites received an enhanced program (i.e., standard program plus an educational booklet/telephone call). Compliance (i.e., completion of all recommended screening examinations) and coverage (i.e., completion of at least one screening examination), the primary and secondary outcomes, were measured over 2 years.

Results.In the 2 years prior to baseline, 61% of employees had been screened. After random assignment, baseline differences in several employee characteristics and worksite screening procedures were detected, including more past history of screening in control worksites. After adjusting for differences, we found modest, but higher, compliance and coverage in intervention compared with control worksites (odds ratio [95% confidence limits] = 1.46 [1.1–2.0] and 1.33 [1.1, 1.6], respectively).

Conclusions:Adding a personally tailored behavioral intervention to a standard colorectal cancer screening program can promote continued employee participation in screening as measured by compliance. Further research is needed to assess intervention effects in other populations.

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    The authors thank Donna Mott and Toni Chociemski for assistance with computer programming, Mary Ann Kozlowski for data management support, and the interviewing and abstracting team, headed by Lois Lamerato, for their support throughout the trial.

    ☆☆

    This trial was funded by the National Cancer Institute, Grant CA52605.

    2

    To whom correspondence and reprint requests should be addressed at Behavioral Sciences and Epidemiology, The University of Texas Health Science Center, School of Public Health, P.O. Box 20186 Houston, TX 77225. Fax: (713) 500-9149.

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