In an epidemiological study (eg: the effect of alcohol on Hypertension), if the value of the odds ratio is less than 1 (eg:0.45) but it is statistically significant. Does it mean that consumption of alcohol is playing a protective role in hypertension? please let me know the correct interpretation of this kind of result.
An odds ratio greater than 1 indicates that there are greater odds of the event happening in the exposed versus the non-exposed group. An odds ratio of less than 1 implies the odds of the event happening in the exposed group are less than in the non-exposed group (1-2)
1. Article Explaining Odds Ratio
2. https://www.ncbi.nlm.nih.gov/books/NBK431098/#:~:text=This%20can%20be %20seen%20from,in%20the%20non%2Dexposed%20group.
Hello Chonsing Shimrah
Do you actually mean the relationship between alcohol and hypertension? I think that is the most meaningful way of getting information for you.
If that is the case, then it means the association between variable n and variable m is 0.45. It does not really mean it is protective, however.
Hi Chonsing. In odds ratio, 1 shows no association. Values more than 1 suggest positive relation and vice versa. For example - OR - 1.45 will be interpreted as with one unit increase in IV, the odds ratio of DV increases by 45%. Similarly, a value of say 0.99 will be interpreted as - with one unit increase in IV, the dependent value decreases by 10%. All in all, you can interpret these using coefficient values.
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