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To assess the relationship between depression and obesity among teenagers, a study was carried out to determine whether depression might be a risk factor. The

To assess the relationship between depression and obesity among teenagers, a study was carried out to determine whether depression might be a risk factor. The study involved cases of high school students with a current diagnosis of depression, and healthy controls (students without a diagnosis of clinical depression). The results were stratified based on the occurrence of any previous depressive episode among the participants. The following tables indicate the results

Previous depressive episode:

Obesity No Obesity Total
Depression 25 50 75
No depression 15 50 65
Total 40 100 140

No previous depressive episode:

Obesity No Obesity Total
Depression 2 50 52
No depression 15 600 615
Total 17 650 667

What is the crude OR relating obesity to depression?

Group of answer choices

1.8

2.8

3.8

5.8

it is not appropriate to calculate the OR

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