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National Safe Routes to School program and risk of school-age pedestrian and bicyclist injury.

ABSTRACT: PURPOSE:Safe Routes to School (SRTS) was a federally funded transportation program for facilitating physically active commuting to and from school in children through improvements of the built environment. There is evidence that SRTS programs increase walking and bicycling in school-age children, but their impact on pedestrian and bicyclist safety has not been adequately examined. We investigate the impact and effects of the SRTS program on school-age pedestrian and bicyclist injuries in a nationwide sample in the United States. METHODS:Data were crash records for school-age children (5-19 years) and adults (30-64 years), in 18 U.S. states for a 16-year period (1995-2010). Multilevel negative binomial models were used to examine the association between SRTS intervention and the risk of pedestrian and bicyclist injury in children aged 5-19 years. RESULTS:SRTS was associated with an approximately 23% reduction (incidence rate ratio = 0.77, 95% confidence interval = 0.65-0.92) in pedestrian/bicyclist injury risk and a 20% reduction in pedestrian/bicyclist fatality risk (incidence rate ratio = 0.80, 95% confidence interval = 0.68-0.94) in school-age children compared to adults aged 30-64 years. CONCLUSIONS:Implementation of the SRTS program appears to have contributed to improving traffic safety for school-age children in the United States.

SUBMITTER: DiMaggio C

PROVIDER: S-EPMC5248654 | biostudies-literature | 2016 Jun

REPOSITORIES: biostudies-literature

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National Safe Routes to School program and risk of school-age pedestrian and bicyclist injury.

DiMaggio Charles C Frangos Spiros S Li Guohua G

Annals of epidemiology 20160413 6

<h4>Purpose</h4>Safe Routes to School (SRTS) was a federally funded transportation program for facilitating physically active commuting to and from school in children through improvements of the built environment. There is evidence that SRTS programs increase walking and bicycling in school-age children, but their impact on pedestrian and bicyclist safety has not been adequately examined. We investigate the impact and effects of the SRTS program on school-age pedestrian and bicyclist injuries in ...[more]

PMID: 27230492

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Project description:ObjectivesIn a single-center cohort of surgical patients, we assessed the association between postoperative change in serum creatinine and adverse outcomes and compared the American College of Surgeons National Surgical Quality Improvement Program's definition for acute kidney injury with consensus risk, injury, failure, loss, and end-stage kidney and Kidney Disease: Improving Global Outcomes definitions.DesignRetrospective single-center cohort.SettingAcademic tertiary medical center.PatientsTwenty-seven thousand eight hundred forty-one adult patients with no previous history of chronic kidney disease undergoing major surgery.InterventionsRisk, injury, failure, loss, and end-stage kidney defines acute kidney injury as change in serum creatinine greater than or equal to 50% while Kidney Disease: Improving Global Outcomes uses 0.3 mg/dL change from the reference serum creatinine. Since National Surgical Quality Improvement Program defines acute kidney injury as serum creatinine change greater than 2 mg/dL, it may underestimate the risk associated with less severe acute kidney injury.Measurements and main resultsThe optimal discrimination limits for both percent and absolute serum creatinine changes were calculated by maximizing sensitivity and specificity along the receiver operating characteristic curves for postoperative complications and mortality. Although prevalence of risk, injury, failure, loss, and end-stage kidney-acute kidney injury was 37%, only 7% of risk, injury, failure, loss, and end-stage kidney-acute kidney injury patients would be diagnosed with acute kidney injury using the National Surgical Quality Improvement Program definition. In multivariable logistic models, patients with risk, injury, failure, loss, and end-stage kidney or Kidney Disease: Improving Global Outcomes-acute kidney injury had a 10 times higher odds of dying compared to patients without acute kidney injury. The optimal discrimination limits for change in serum creatinine associated with adverse postoperative outcomes were as low as 0.2 mg/dL while the National Surgical Quality Improvement Program discrimination limit of 2.0 mg/dL had low sensitivity (0.05-0.28).ConclusionsCurrent American College of Surgeons National Surgical Quality Improvement Program definition underestimates the risk associated with mild and moderate acute kidney injury otherwise captured by the consensus risk, injury, failure, loss, and end-stage kidney and Kidney Disease: Improving Global Outcomes criteria.

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National Safe Routes to School program and risk of school-age pedestrian and bicyclist injury.

Publications

National Safe Routes to School program and risk of school-age pedestrian and bicyclist injury.

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