Of the secondary variables , the Patient Health Questionnaire-@ ( @ -LSB- @ % CI @-@ @ -RSB- , P = @ ) , Problem Areas in Diabetes scale ( @ -LSB- @ % CI @-@ @ -RSB- , P = @ ) , and Diabetes Distress Scale scores ( @ -LSB- @ % CI @-@ @ -RSB- , P = @ ) displayed significant treatment effects .