OBJECTIVES This report updates subnational estimates of the percentage of adults and children living in households that do not have a landline telephone but have at least one wireless telephone (i.e., wireless-only households). State-level estimates for 2012 are presented, along with estimates for selected U.S. counties and groups of counties, for other household telephone service use categorie...

OBJECTIVES This report updates subnational estimates of the percentage of adults and children living in households without a landline telephone but with at least one wireless telephone (i.e., wireless-only households). State-level estimates for 2011 are presented, as well as estimates for selected U.S. counties and groups of counties, for other household telephone service use categories (e.g., ...

Using multiple modes to collect data is becoming a standard practice in survey agencies. While this should lower costs and reduce non-response error it may have detrimental effects on measurement quality. This is of special concern in panel surveys where a key focus is on measuring change over time and where changing modes may have an effect on key measures. In this paper we use a quasi-experim...

OBJECTIVE To develop and pilot test a telephone-based survey instrument that enables parents to identify and characterize the body region and severity of childhood injuries using the Abbreviated Injury Scale (AIS) scoring system. DESIGN A prospective cross-sectional survey. SETTING The emergency department of an urban, tertiary care, pediatric trauma center. PARTICIPANTS One hundred forty...