Table 1 Covariates included in models exploring the association between recurrent concussion and mental health outcomes
From: Association between concussion and mental health in former collegiate athletes
| Variable | Categories | Included in model | ||
|---|---|---|---|---|
| Depression | Impulsivity | Aggression | ||
| Sociodemographics | x | x | x | |
| Sex | Male/Female | x | x | x |
| Race/ethnicity | Non-Hispanic White/All other race/ethnicity combinations | x | x | x |
| Current age | Continuous | x | x | x |
| Current body mass index | Continuous | x | x | x |
| Relationship status | Single/In a relationship | x | x | x |
| Education level (obtained graduate degree) | Yes/No | x | x | x |
| Work status (currently employed at least part time) | Yes/No | x | x | x |
| Disability status | Disabled/Non-disabled | x | x | x |
| Sport history | ||||
| Primary college sport played (by level of playing contact) | Collision/High contact/Low/non-contact | x | x | x |
| Number of years since played college sports | Continuous | x | x | x |
| Played professional sports | Yes/No | x | x | x |
| Total number of years played primary sport | Continuous | x | x | x |
| Career-ending injury | Yes/No | x | ||
| Additional variables | ||||
| Alcohol dependence | Continuous | x | x | x |
| Family history of depression | Yes/No | x | ||
| Family history of anxiety | Yes/No | x | ||