Objective: The purpose of this Cancer Screening Study analysis was to determine if there are differences in self-reported willingness to participate in cancer screenings between Puerto-Rican (PR) Hispanics, Blacks and Whites under four different scenarios.

Methods: The Cancer Screening Questionnaire, a 60 item questionnaire, was administered via random-digit dial telephone interviews to adults in three cities: New York City, NY; Baltimore, MD; and San Juan, PR. Respondents were asked ‘How likely are you to participate in a cancer screening if’ under four scenarios which differed on the following circumstances: 1) your own MD told you to get a cancer screening exam given you had symptoms; 2) routine annual cancer screening exam by own MD given you had no symptoms; 3) some community group offers a free cancer screening exam and you had symptoms; and , 4) some community group offers a free cancer screening exam and you have no symptoms.

Results: A total of 1,148 interviews were completed (27.1 % PR Hispanics, 30.9% Blacks, and 42.0%Whites). CASRO response rates for the three cities were 58%, 51% and 45% for San Juan, Baltimore and New York City, respectively, with an overall completion rate of 82.6%. Based on the % responding “Very Likely”, each racial/ethnic group ranked the 4 scenarios as 1st:‘own MD, with symptoms’ (92–93%), 2nd: ‘community event, with symptoms’ (47–71%), 3rd: ‘own MD, no symptoms’ (44–50%), and 4th:‘community event, no symptoms’ (23–45%) with PR Hispanics being the most willing under each scenario (p ≤ .000, using Rao-Scott 2 for the weighted stratified analyses) for scenario's #2–4. For the three scenarios with overall statistical significance (scenarios #2–4 above, 7 of the 9 two-way contrasts by racial/ethnic groups were statistically significant (p ≤ .05) with a clear pattern revealing that Puerto Rican Hispanics and Blacks were very similar, and both were more willing than Whites to participate in cancer screenings. The largest impact on % “Very Likely” responses was observed for the specific circumstance of either ‘having or not having a symptom’: 37% vs 45% , 37 vs 48%, and 50% vs 52% reductions in Very Likely responses for the two scenarios, either community events or one's own MD (respectively), for PR Hispanics, Blacks and Whites, respectively. Parallel analyses revealed a lesser impact of 23% vs 11%, 28% vs 13%, and 49% vs 47% for the circumstance of ‘who’ was offering the cancer screening for PR Hispanics, Blacks and Whites, respectively.

Conclusions: While PR Hispanics, Blacks, and Whites each ranked the four scenarios in the same order, these findings provide strong evidence that circumstance specific differences exist between the three racial/ethnic groups, namely that: 1) within each scenario, Puerto-Rican Hispanics and Blacks were equally willing to participate in cancer screenings cancer, and both were more willing than Whites; 2) for all 3 racial/ethnic groups ‘having symptoms’ was the more critical factor, followed by ‘who’ was offering the cancer screening exam; and 3) both PR Hispanics and Blacks, as compared to Whites, showed a much larger differential between the impact of ‘symptom’, as compared to the impact of ‘who gives the cancer screening exam’, on their willingness to participate in cancer screenings.

Study was supported by NIDCR/NIH grant: U54 DE14257, an NIDCR Oral Health Disparities Center.

Second AACR International Conference on the Science of Cancer Health Disparities— Feb 3–6, 2009; Carefree, AZ