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  1. Percy-Laurry, Antoinette DrPH, MSPH
  2. Heurtin-Roberts, Suzanne PhD, MA, MSW
  3. Norton, Wynne E. PhD
  4. McDonnell, Cheryl PhD
  5. Uy, Annabelle MS
  6. Chambers, David A. DPhil


Context: The Cancer Control P.L.A.N.E.T. (P.L.A.N.E.T.) Web portal was designed to ease access to data and evidence-based resources for cancer control practitioners and researchers focused on developing, implementing, and evaluating cancer control programs.


Objectives: To determine usability, applicability, and opportunities to improve the P.L.A.N.E.T. Web portal after significant changes to the portal over time.


Design: The National Cancer Institute surveyed and interviewed cancer control professionals to assess factors influencing utilization of P.L.A.N.E.T. Data were collected from May 2017 to June 2018 via partner agencies, electronic publications, and online links.


Outcome Measures: Descriptive statistics with [chi]2 test were used to analyze the quantitative data and examine the relationship among variables. Qualitative interviews further informed the quantitative analysis.


Results: Of the 724 participants surveyed, 51% were users of P.L.A.N.E.T., with the majority accessing P.L.A.N.E.T. within the last 6 months. Most users felt that P.L.A.N.E.T. effectively met their needs for accessing specific cancer data, identifying evidenced-based programs, and ascertaining details on various cancer topics. There were statistically significant differences in demographic characteristics between users and nonusers of P.L.A.N.E.T., where users were more likely to have more experience in the cancer field, were older in age, and located in southern states.


Conclusion: Results indicate that P.L.A.N.E.T. is seen as a viable and credible source for cancer control program planning and delivery. A reassessment of P.L.A.N.E.T.'s goals is warranted, which may support reaching out to new audiences, amplifying or removing underutilized resources, and adding additional resources and topics. Consideration for training and tutorials on P.L.A.N.E.T. would benefit partner agencies and build capacity for evidence-based program development.