Patient-reported anxiety and depression measures for use in Indian head and neck cancer populations: a psychometric evaluation

Journal of Patient-Reported Outcomes

Table 5 Scale level analyses – convergent validity across Tamil, Telugu, Hindi

Scales	Convergent Validity
Scales	EORTC QLQ-C30 Emotional functioning scale r¹
Tamil
SAS	0.679*
PHQ–9	0.604**
Telugu
SAS	0.669**
PHQ–9	0.574**
Hindi
SAS	0.630**
PHQ–9	0.593**

r¹ Pearson correlation, SAS Zung’s self-rating anxiety scale, PHQ-9 Patient health questionnaire − 9
*Correlation significant at p = 0.05
**Correlation significant at p = 0.01