A sudden onset of depression in your partner can have an impact on your relationship. (thecoupleconnection.net)
However, there were no significant differences between the two conditions in onset of depression diagnoses. (cebc4cw.org)
Gender, pubertal stage at onset of depression, self - reported Mood and Feeling Questionnaire (MFQ) score, age at onset of index episode, severity of impairment, duration of depression before treatment, age at onset of first episode. (ebmh.bmj.com)