| No. | Name of Lifestyle | Third Class | Second Class | First Class | Type | No. of Studies |
|---|---|---|---|---|---|---|
| 1 | Dairy Cadmium+Ever Smoke | NA | Calcium(Ca)+Smoke | Joint effect | Risk factor No statistical significance factor | 1 |
| 2 | Dairy Cadmium+Never Smoke | NA | Calcium(Ca)+Smoke | Joint effect | Risk factor No statistical significance factor | 1 |