Prevalence of psoriasis among adults in the U.S.: 2003-2006 and 2009-2010 National Health and Nutrition Examination Surveys.

Background: A 2010 CDC-sponsored consultation of psoriasis, psoriatic arthritis, and public health experts developed a public health agenda for psoriasis and psoriatic arthritis indicating that additional population-based research is needed to better characterize psoriasis in the population.

Purpose: To better characterize the burden of psoriasis in the U.S.

Prevalence of smoking associated with pregnancy in three Southern Ontario Health Units.

Objectives: The objectives of this study were to determine the prevalence of pregnancy-associated smoking among women residing in three Southern Ontario Health Units and to examine potential risk factors for smoking during pregnancy, using an existing data collection mechanism.

Methods: During May 2001, questions about pregnancy-associated smoking were asked during the telephone follow-up of postpartum women living in the three health units in Southern Ontario; this follow-up is routinely conducted by public health nurses. Sociodemographic data were also obtained.