| No. | Name of Lifestyle | Third Class | Second Class | First Class | Type | No. of Studies |
|---|---|---|---|---|---|---|
| 1 | Calories+African Americans | NA | Calories+Racial differences | Joint effect | No statistical significance factor | 1 |
| 2 | Calories+Caucasians | NA | Calories+Racial differences | Joint effect | No statistical significance factor | 1 |