Table 2 Outcomes, measures, and assessments

Anxiety

Generalized Anxiety Disorder-7 Questionnaire (GAD-7) [29]

7

X

X

X

X

Depression

Patient Health Questionnaire-9 (PHQ-9) [30]

9

X

X

X

X

Distress

Distress Thermometer (DT) [31]

1

X

X

X

X

Unmet needs

Supportive Care Needs Survey (SNCS) [32]

34

X

X

–

–

Quality of life

Caregiver Quality of Life Index-Cancer (CQOLC) [33]

35

X

X

–

–

Further variables

    Sociodemographic data

Gender, age, education level, relationship to family member/patient, previous psychological treatment

5

X

–

X

–

    Medical data

Date of diagnosis, histological subtype, UICC tumor stage, smoking

4

–

–

X

–

    Treatment integrity

Number of counseling sessions

1

–

X

–

X