Odds ratio with 95% confidence interval
The width and direction of the confidence interval is the primary inference with an odds ratio
If the confidence interval of an odds ratio crosses over 1.0, then researchers have a non-significant association between the variables.
If the odds ratio and confidence interval are both entirely above 1.0, then the outcome is MORE LIKELY to occur as a result of the treatment or exposure.
If the odds ratio and confidence interval are both entirely below 1.0, then the outcome is LESS LIKELY to occur as a result of treatment or exposure, denoting a "protective" effect.
Confidence intervals of odds ratios and sample size
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Eric Heidel, Ph.D. will provide the following services for undergraduate and graduate students at $50/hour. Secure checkout is available with Stripe or PayPal.
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