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Sample size for discovery and replication cohorts for smoking and drinking phenotypes in GSCAN.
| Phenotype | Discovery N (number of contributing studies) | Replication sample size (23andMe) |
|---|---|---|
| CigDay | 263,954 (34) | 73,380 |
| DrnkWk | 537,349 (33) | 403,931 |
| SmkCes | 366,740 (36) | 234,398 |
| SmkInit | 651,337 (35) | 599,289 |
