| No. | Name of Lifestyle | Third Class | Second Class | First Class | Type | No. of Studies |
|---|---|---|---|---|---|---|
| 1 | Degree of browning Light/moderate | Degree of browning | Dietary exposure | Environment | Reference | 1 |
| 2 | Degree of browning Strong/extreme | Degree of browning | Dietary exposure | Environment | Reference | 1 |