The guidelines provided by experts regarding various cancer screening tests are not universally accepted by physicians or patients. This systematic review describes the literature regarding the associations of physician characteristics with the implementation of and referral of patients for selected cancer screening tests. In October 2016, the authors conducted a thorough search of articles found in 4 databases, using keywords describing physician characteristics and cancer screening. English-language articles reporting on patient surveys or records of patients' screening history, and surveys of physicians' practices or opinions, in the United States were included. The physician characteristics most commonly analyzed were specialty and sex. The screening tests most commonly analyzed were those for cervical and colorectal cancers. Female and white physicians were found to screen more patients than male and nonwhite physicians. Obstetrician-gynecologists screened more for breast and cervical cancer than internists, who screened more than family or general practitioners. Physician sex, race, and specialty were consistently associated with cancer screening practices and should be the focus of efforts to harmonize practices with recommendations.
Objective: Homeless persons are at high risk for poor oral health. Supportive housing can improve housing stability for persons with behavioural health conditions, but its impact on dental service use has been little studied. Methods: Data for this evaluation come from matched public service records for eligible applicants to a New York City supportive housing program (NY III) targeting chronic homelessness. NY III tenants (N = 5678) were compared with applicants not placed in housing (N = 6536) and applicants placed in other supportive housing programmes (N = 4823). Regression analysis was used to assess the association between supportive housing, primary care use, clinical severity and the likelihood of dental visits. Results: Over four observation years, 71% of applicants had at least one dental visit for any cause and 57% for preventive dental care. Incidence of dental visits was lower for persons with physical disability (IRR = 0.91; 95% CI = 0.85, 0.97, P = .003), psychiatric hospital stays (IRR = 0.78; 95% CI = 0.68, 0.88, P < .001) and age over 54.
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