| No. | Name of Lifestyle | Third Class | Second Class | First Class | Type | No. of Studies |
|---|---|---|---|---|---|---|
| 1 | Frequency of vigorous exercise+Ever Smoke | NA | Physical activity+Smoke | Joint effect | No statistical significance factor | 1 |
| 2 | Frequency of vigorous exercise+Never Smoke | NA | Physical activity+Smoke | Joint effect | No statistical significance factor | 1 |