| No. | Name of Lifestyle | Third Class | Second Class | First Class | Type | No. of Studies |
|---|---|---|---|---|---|---|
| 1 | Total dairy products+Family history | NA | Dairy products+Family medical history | Joint effect | No statistical significance factor | 1 |
| 2 | Total dairy products+No family history | NA | Dairy products+Family medical history | Joint effect | No statistical significance factor | 1 |