Exact(6)
d Multiple regression models were applied to estimate difference in the particular group compared to the reference group (Norwegians).
The present analysis included the point estimate difference in survival between the placebo and treatment groups in the calculated QALY saved.
g Multiple regression models were applied to estimate difference in the particular group compared to reference group (Norwegians) adjusted for confounders (age, gender, diabetes duration).
Using Poisson regression to estimate difference in logit slopes, we analyzed data for 1998 2009 from the Dutch Health Care Inspectorate, retrospectively examining the national numbers of seclusion and involuntary medication before and after the start of the program.
h Linear mixed effect models (lme in R [ 17]) were applied to estimate difference in the particular group compared to reference group (Norwegians) adjusted for confounders (age, gender, diabetes duration), practices and physicians (as random intercept).
The Monte Carlo simulation was used to estimate difference in lifetime cost between high and low adherence (incremental costs) and the difference in lifetime QALYs between the two groups (incremental QALYs).
Similar(54)
We also use traffic conditions in Southern California, an area without STAs, to estimate difference-in-differences models.
Overdispersed Poisson model was used to estimate difference-in-differences in injury risk between census tracts with and without SRTS following the changepoint.
Focusing to some extent on hiring credits adopted during or after the Great Recession, this database is used to estimate difference-in-differences models that compare job growth in states that did and did not implement particular types of hiring credits, controlling for other factors to isolate the effects of state hiring credits.5.5
In both the baseline and final survey, we oversample our intervention area using national DHS methodology [ 19] to collect an adequately powered sample to estimate difference-in-differences in under-5 mortality and other PHIT collaborative core indicators between the intervention and rural control areas from 2010 to 2015.
Given that differential selection for the participant and comparison cases may cause bias in matching estimates, difference-in-difference methods provide useful alternative estimates.
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