Psychometric properties and age- and gender-specific normative values of the Patient Health Questionnaire-4 among older adults aged 60 years and above
BMC Geriatr. 2026 Aug 28;26(1):1109. doi: 10.1186/s12877-026-08172-5. ABSTRACT BACKGROUND: Mental health problems in older adults are often underrecognized despite their substantial impact on health and …