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[DOC File]Unit 4 Practice Questions
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The odds ratio (24.6) is easier to interpret. It tells us that the odds of being in menopause are 24.6 times higher for a woman who is over 50 than for someone who is not. We can see that the 95% CI for the odds ratio does not include 1, so we can be pretty confident that there is a strong relationship between being over 50 and being in menopause.
odds ratio interpretation

[DOC File]PRACTICE QUESTIONS FOR FINAL EXAM
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Graph does not display estimates from marginal structural models (MSM). Crude OR, crude odds ratio. adjOR, adjusted odds ratio. adjIRR, adjusted incidence risk ratio. adjHR, adjusted hazard ratio. * Data from Saracco et al not shown, risk could not be calculated since no seroconversions occurred in the hormonal contraception group.
calculate adjusted odds ratio

[DOC File]HANDY REFERENCE SHEET – HRP 259
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Calculate the odds ratio of the above study. OR = = 4.15. 1b. Interpret the measure of association. The odds ratio is greater than 1.0, therefore Tamoxifen is a risk factor for uterine cancer. People that use Tamoxifen have a 4.15 times greater risk of developing uterine …
adjusted odds ratio equation

[DOC File]M-2 Epidemiology
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The unadjusted odds ratio for HPV-16 L1 seropositivity is 17.6 but the adjusted odds ratio is 32.2. How do you explain this difference? This is most likely an error—as adjustment for confounding should always reduce the magnitude of the odds ratio. The change is irrelevant since both odds ratios are statistically significant anyway.
adjusted odds ratio spss

[DOCX File]1:Exploring data and unadjusted (univariate) effect estimates
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NOTE: The relative risks presented in this article are actually odds ratios. Recall that odds ratios from case-control studies are estimates of relative risks under certain conditions. 1. Crude. odds ratios. a. Use the data in . Table 1 . to construct a 2-by-2 table to calculate the crude odds ratio …
unadjusted vs adjusted odds ratio

[DOC File]Unit 8 Practice Questions and Answers
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Likelihood Ratio Test: where full model has n parameters and reduced model has n-p. Interpretation of Estimated Coefficients in Odds and Probabilities: OR interpretation: ORexposure= OR interpretation in the presence of interaction (two binary predictors): ORexposure/interacting factor present = ORexposure/interacting factor absent =
adjusted odds ratio aor

[DOC File]Biost 513 - University of Washington
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The first odds ratio for bed sharing (adjusted for ethnic group in the Epiinfo output box) is 1.6 (95% CI 1.3 to 2.1). This means that, in this population, Europeans (the reference group for ethnicity) that bed share are about 60% more likely to have a case of cot death if they bed share.
adjusted odds ratio logistic regression

[DOC File]SUPPLEMENTARY WEB APPENDIX
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The resulting adjusted odds ratio for TOB is given by: exp(0.488) = 1.63. This odds ratio is the increase in the odds of disease for a 1 unit increase in TOB categories, where age is controlled (ie. held fixed).
define adjusted odds ratio

Adjusted Odds Ratio - Encyclopedia of Biostatistics
5. The Mantel-Haenszel adjusted odds-ratio. Is used to summarize the stratum specific OR’s to correct for confounding (when there is no effect modification). (If there is EM we do not summarize the strata. We keep the strata separate.) CRUDE odds-ratio = ad/bc . Mantel-Haenszel adjusted odds-ratio= numerator/denominator
odds ratio interpretation

[DOC File]Lab: Experimental Study Design
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a. Report the crude odds ratio and inform the public that it is biased because of an effect modifier. b. Report the stratified odds ratios to show how the association changes with different levels of the effect modifier. c. Report the adjusted odds ratio since it removes the influence of effect modification. d.
calculate adjusted odds ratio

Adjusted odds ratio interpretation