FACTOR

ASSOCIATION

Physical health

Y

Unhappy childhood

Y

Stress at work^*

Y

Amount of call

-

Lifestyle†

-

Age

-

Income

-

Season of year

-

Level of training

Y/N

Hours worked

Y/N

Amount of sleep/sleep deprivation

Y/N

Difficulty/type of rotation

Y/N

Previous history of depression

Y/N

Family history of mental illness

Y/N

Negative religious coping^‡

Y/N

Stressors outside work

Y/N

Gender

Y/N

Ethnicity

Y/N

Marital status/social support

Y/N

Financial debt

Y/N

Y

All studies found this factor to be associated with depression

N

No studies found this factor to be associated with depression

Y/N

Some studies found an association with depression, some studies failed to find an association with depression