1 - 10 of 23 articles
The Relationship Between Lead and Homicide Prior studies have suggested that exposure to lead is associated with delinquency and crime. Currently, one important source of lead is airborne lead particles. This ecological study examined the association of lead concentrations in air in the 3111...
ObjectiveTo determine if supplementary structured breastfeeding counseling (SSBC) for both parents compared with conventional hospital breastfeeding support (CHBS) improves the duration of breastfeeding in very low-birth-weight infants up to 1 year old.DesignRandomized trial with longitudinal...
ObjectiveTo develop a reliable and valid physical activity screening measure for use with adolescents in primary care settings.Study DesignWe conducted 2 studies to evaluate the test-retest reliability and concurrent validity of 6 single-item and 3 composite measures of physical activity....
BackgroundPresciption trends have key implications for costs, outcomes, and research, yet few data exist on pediatric selective serotonin reuptake inhibitor (SSRI) trends and associations with stimulant trends.ObjectiveTo describe prescription trends for stimulants, SSRIs, and combination...
BackgroundAdolescent immunization rates remain low. Hence, a better understanding of the factors that influence adolescent immunization is needed.ObjectiveTo assess the adolescent immunization practices of US physicians.Design and SettingA 24-item survey mailed in 1997 to a national sample of...
BackgroundThe Synar Amendment requires states and territories to enact a law prohibiting the sale of tobacco to minors and to enforce that law in a manner that could reasonably be expected to decrease the availability of tobacco to minors.ObjectiveTo determine if the Department of Health and...
ContextPrevious studies have suggested that excessive lead exposure is related to aggressive and violent behavior.ObjectiveTo evaluate the association between estimated air lead concentrations and homicide rates.DesignCross-sectional ecological study.SettingAll counties in the contiguous 48...
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