Table 4.
Correlations between biomarkers and alcohol consumption outcomes.
| 5-HTOL | 5-HIAA | 5-HTOL/5-HIAAA Ratio | ||||
|---|---|---|---|---|---|---|
| Alcohol Outcomes | r | p-Value | r | p-Value | R | p-Value |
| Number of alcoholic drinks | 0.433 | 0.012 * | −0.199 | 0.252 | 0.503 | 0.003 * |
| Total drink time (h) | 0.411 | 0.017 * | −0.060 | 0.733 | 0.414 | 0.017 * |
| Estimated BAC (%) | 0.379 | 0.030 * | −0.161 | 0.354 | 0.466 | 0.006 * |
| Overall hangover severity | 0.229 | 0.200 | 0.329 | 0.054 | 0.137 | 0.446 |
Spearman’s correlations (r) and p-values are shown. Significant correlations (p < 0.05) are indicated by *. Abbreviations: BAC = blood alcohol concentration, 5-HTOL = 5-hydroxytryptophol, 5-HIAA = 5-hydroxyindoleacetic acid.