Country: United States
Survey Organization: Social Science Research Solutions
Field Dates: January 5, 2015—March 30, 2015
Sample: A random sample of 1,624 primary care physicians and a separate random sample of 366 nurse practitioners (NPs) and 159 physician assistants (PAs) working in primary care practices. The surveys achieved the following response rates, calculated using AAPOR’s RR3: physicians (34%), NPs (29%), and PAs (25%).
Interview Method: Survey responses were collected via hard copy and Web-based questionnaires. In an effort to maximize contact and completion rates, providers were contacted by multiple modes (mail, telephone, and email) and offered incentives.