Most people do not meet the physical activity guidelines set forth by the Center for Disease Control (CDC) and World Health Organization (WHO). Sufficient physical activity plays an important role in preventing chronic illnesses, such as Type 2 diabetes, which are a burden on the health care system. Health coaching (a client-centered approach to improve health outcomes) holds promise as a preventive strategy to change health behavior and limit office visits, thereby reducing the burden of illnesses caused by physical inactivity. One component of health coaching that warrants more research is motivational interviewing. The current study used a multiple baseline across participants design to evaluate the effects of adding motivational interviewing to a client-led behavioral coaching intervention to increase physical activity. In the current study, each participant took more steps in intervention compared to baseline, but the role of MI was somewhat unclear
