There’s more to self-esteem than whether it is high or low: The importance of stability of self-esteem.
[journals.plos.org]
While there is usually a genetic factor with endogenous depression, other factors such as low self- esteem and an externally focused lifestyle weigh more with reactive depression
[exploringyourmind.com]
Other symptoms include anxiety, hopelessness and despair, self-doubt, low self-esteem, poor concentration, loss of interest, aches and pains, and inability to sleep.
[irishhealth.com]