Table 2. Models for the Risk of Alopecia Areata Associated With Major Depressive Disorder.
Model | HR (95% CI) | P Value |
---|---|---|
Unadjusted model | ||
Major depressive disorder | 1.76 (1.62-1.91) | <.001 |
Multivariable adjusted modela | ||
Major depressive disorder | 1.90 (1.67-2.15) | <.001 |
Age | 0.43 (0.40-0.46) | <.001 |
Male sex | 0.81 (0.75-0.86) | <.001 |
Socioeconomic statusb | ||
2 | 0.99 (0.90-1.10) | .87 |
3 | 1.15 (1.04-1.27) | .01 |
4 | 1.22 (1.11-1.35) | <.001 |
5 | 1.43 (1.29-1.59) | <.001 |
Charlson Comorbidity Index | 1.16 (1.07-1.26) | <.001 |
Alcohol use | 0.93 (0.87-1.00) | .06 |
Smoking | ||
Current | 1.43 (1.33-1.54) | <.001 |
Ex-smoker | 1.13 (1.01-1.27) | .03 |
Antidepressant use | 0.57 (0.53-0.62) | <.001 |
Abbreviation: HR, hazard ratio.
Observations with missing data were omitted from the models.
Higher number indicates more severe socioeconomic deprivation using the Townsend Deprivation Index.