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	Skala umiejętności czytania o zdrowiu	Kwestionariusz Zdrowia Pacjenta-2
Dziedzina	Usługi zdrowotne	Usługi zdrowotne
Rodzina	Process / pipeline	Process / pipeline
Rok powstania	1999	2003
Twórca	David W. Baker and colleagues	Kurt Kroenke, Robert L. Spitzer, and Janet B. Williams
Typ	Functional health literacy assessment	Two-item depression screening instrument
Źródło pierwotne	Osborn, C. Y., Weiss, B. D., Davis, T. C., & Skripkauskas, S. (2007). Literacy and health outcomes: a systematic review. Journal of Health Communication, 12(4), 371-383.	Kroenke, K., Spitzer, R. L., & Williams, J. B. (2003). The Patient Health Questionnaire-2: validity of a two-item depression screener. Medical Care, 41(11), 1284-1292.
Inne nazwy	HLS, Health Literacy Assessment	PHQ-2, Patient Health Questionnaire
Pokrewne	3	3
Podsumowanie	Health literacy scales are validated self-report instruments designed to measure the capacity of individuals to access, understand, appraise, and communicate health information to maintain or improve health. The Rapid Estimate of Adult Literacy in Medicine (REALM) and Test of Functional Health Literacy in Adults (TOFHLA) are commonly used variants assessing functional health literacy in clinical populations. Health literacy measurement identifies patients at risk for poor health outcomes and guides communication simplification.	The Patient Health Questionnaire-2 (PHQ-2) is an ultra-brief, validated two-item screening instrument developed by Kroenke and colleagues in 2003 to identify major depression in primary care and medical populations. The PHQ-2 assesses the two cardinal symptoms of depression (depressed mood and anhedonia) over the past two weeks using a 0-3 frequency scale. It is the shortest validated depression screening tool enabling routine use in time-constrained clinical settings.