Table 2 Instruments used in evaluation of patient outcomes and psychometric properties

FCR7

7-item self-report measure of patients’ Fear of Cancer Recurrence

Internal consistency: Cronbach’s α of 0.92. Construct validity: r = 0.68 versus Anxiety Sub-scale of Hospital and Depression Scale [35]

FCR3

3-item self-report measure of patients’ Fear of Cancer Recurrence

Based on the 4-item scale FCR4, with internal consistency: Cronbach’s α of 0.93. Construct validity: r = 0.65 versus Anxiety sub-scale of Hospital and Depression Scale [35]

PANAS

20-item self-report measure of Positive And Negative Affect

Internal consistency: Cronbach’s α of 0.89 for Positive Affectivity; 0.85 for Negative Affectivity. Construct validity: r = 0.52 versus HADS depression sub-scale; r = 0.67 versus Depression Anxiety and Stress Scales (DASS) stress sub-scale and 0.65 versus HADS anxiety sub-scale [36]

RISS

8-item self-report measure of patients’ Radiotherapy Interview Satisfaction

Adapted from the Medical Interview Satisfaction Scale (MISS-21) with internal consistency: 0.67–0.92 for sub-scales. Construct validity: r = 0.21–0.63 versus aspects of satisfaction with consultations [37]

CARE

10-item self-report measure of patients’ experience of Consultation and Relational Empathy

Internal consistency: Cronbach’s α of 0.92. Convergent validity: r = 0.85 versus Reynolds Empathy Measure (RES) and sufficient face validity [38]

EQ-5D-3L

5-item self-report measure of patients’ health status relating to mobility, self-care, usual activities, pain and discomfort, and anxiety and depression

Well-established reliability and validity; used in many countries and for many different conditions [39, 40]