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Improving the Rate of Preschool Vision Screening: An Interrupted Time-Series Analysis
Pediatrics, 2011OBJECTIVE:To implement a 6-month quality improvement project in 13 clinics in North Carolina to improve vision screening rates for children 3 through 5 years of age.METHODS:We trained each clinic in approaches to vision screening and selected champions to provide feedback based on a 3-month baseline chart audit of up to 90 charts in each clinic and ...
Alex R, Kemper +4 more
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Evaluating pharmaceutical policy impacts using interrupted time series analysis
2012Determining the impacts of policy on health outcomes is important for policy makers, clinicians and consumers. Interrupted time series analysis is a powerful quasi experimental method for quantifying change in an outcome after policy implementation. We illustrate the use of interrupted time series analysis for policy evaluation with an Australian case ...
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[Design and analysis of two groups interrupt time series].
Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi, 2019Interrupted time-series (ITS) is a quasi-experimental design which evaluates the effectiveness of an intervention based on time-series outcome variables. Compared with the single group of ITS, the two groups of ITS can better control the influence of pre-interventional confounding factors and evaluate the effectiveness of the intervention.
Y, Li +5 more
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Analysis of Interrupted Time-Series Experiments Using ITSE: A Critique
Understanding Statistics, 2004The ITSE method (Gottman, 1981; Rushe & Gottman, 1993; Williams & Gottman, 1982, 1999) for analyzing the 2-phase interrupted time-series design was evaluated. I point out that the method yields intervention effect estimates that are inconsistent with the logic of the design and that these estimates are likely to be quite misleading.
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Interrupted Time-Series Analysis
Journal of Policy Analysis and Management, 1981Stephen M. Meyer +4 more
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Interrupted Time Series Analysis of Bar/Tavern Closing Hours and Violent Crime
JAMA Internal MedicineImportanceIt is well established that alcohol outlets (ie, places that sell alcohol) attract crime, particularly during late-night hours.ObjectiveTo evaluate the association of Maryland Senate Bill 571 (SB571), which reduced the hours of sale for bars/taverns in 1 Baltimore neighborhood from 6 am to 2 am to 9 am to 10 pm, with violent crime within that
Erika M, Rosen +5 more
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A matching framework to improve causal inference in interrupted time‐series analysis
Journal of Evaluation in Clinical Practice, 2017AbstractRationale, aims, and objectivesInterrupted time‐series analysis (ITSA) is a popular evaluation methodology in which a single treatment unit's outcome is studied over time and the intervention is expected to “interrupt” the level and/or trend of the outcome, subsequent to its introduction. When ITSA is implemented without a comparison group, the
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