S. No | Population/ethnicity | Alcohol-dependent cases | Controls | Genes | Publication | ||
---|---|---|---|---|---|---|---|
 | OPRM1 | OPRK1 | OPRD1 |  | |||
1 | US Caucasian | 100 |  | √ |  |  | [42] |
 | Finnish | 324 |  | √ |  |  | |
 | American Indians | 367 |  | √ |  |  | |
2 | Asian | 53 | 82 | √ |  |  | [11] |
3 | American Indians | 251 |  | √ |  |  | [43] |
4 | Mix (7) | 100 | 116 | √ |  |  | [15] |
5 | European Americans | 179 | 297 | √ |  |  | [44] |
6 | European Americans | 219 |  |  | √ |  | [45] |
7 | European Americans | 219 | 832 | √ | √ | √ | [21] |
8 | European Americans | 318 | 338 | √ |  |  | [22] |
9 | European Americans | 557 | 443 |  | √ | √ | [23] |
10 | Finnish | 512 | 511 | √ |  |  | [46] |
11 | Caucasian | 236 | 84 | √ |  |  | [26] |
 | African Americans | 74 | 34 | √ |  |  | |
12 | Los Angelas (White, AfricanAmerican, Asian, Latino, NativeAmerican) | 295 |  | √ |  |  | [41] |
13 | Spanish (Caucasian) | 763 |  | √ |  |  | [40] |
14 | Korean | 112 | 140 | √ |  |  | [47] |