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Valid group comparisons can be made with the Patient Health Questionnaire (PHQ-9): A measurement invariance study across groups by demographic characteristics

Villarreal-Zegarra, David ; Copez-Lonzoy, Anthony ; Bernabé-Ortiz, Antonio ; Melendez-Torres, G J ; Bazo-Alvarez, Juan Carlos Blanch, Angel

PloS one, 2019-09, Vol.14 (9), p.e0221717-e0221717 [Periódico revisado por pares]

United States: Public Library of Science

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Valid group comparisons can be made with the Patient Health Questionnaire (PHQ-9): A measurement invariance study across groups by demographic characteristics
Autor: Villarreal-Zegarra, David ; Copez-Lonzoy, Anthony ; Bernabé-Ortiz, Antonio ; Melendez-Torres, G J ; Bazo-Alvarez, Juan Carlos
Blanch, Angel
Assuntos: Adolescent ; Adult ; Age ; Aged ; Aged, 80 and over ; Analysis ; Analysis of Variance ; Care and treatment ; Chronic illnesses ; Complications and side effects ; Data analysis ; Demographic variables ; Demographics ; Demography - statistics & numerical data ; Depression (Mood disorder) ; Depression, Mental ; Disabilities ; Disability ; Earth Sciences ; Education ; Educational Status ; Factor analysis ; Female ; Gender differences ; Goodness of fit ; Health ; Health surveys ; Humans ; Information management ; Invariance ; Male ; Marital status ; Marital Status - statistics & numerical data ; Marriage ; Medicine and Health Sciences ; Mental depression ; Methods ; Metropolitan areas ; Middle Aged ; One dimensional models ; Patient care ; Patient Health Questionnaire - statistics & numerical data ; Patient outcomes ; Patients ; People and Places ; Physical Sciences ; Population ; Primary care ; Questionnaires ; Reproducibility of Results ; Research and Analysis Methods ; Risk factors ; Rural Population - statistics & numerical data ; Sex ; Social Class ; Social classes ; Social psychology ; Social Sciences ; Socioeconomic factors ; Socioeconomics ; Studies ; Urban areas ; Urban Population - statistics & numerical data ; Womens health ; Young Adult
É parte de: PloS one, 2019-09, Vol.14 (9), p.e0221717-e0221717
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Competing Interests: The authors have declared that no competing interests exist.
Descrição: Analyze the measurement invariance and the factor structure of the Patient Health Questionnaire-9 (PHQ-9) in the Peruvian population. Secondary data analysis performed using cross-sectional data from the Health Questionnaire of the Demographic and Health Survey in Peru. Variables of interest were the PHQ-9 and demographic characteristics (sex, age group, level of education, socioeconomic status, marital status, and area of residence). Factor structure was evaluated by standard confirmatory factor analysis (CFA), and measurement invariance by multi-group CFA, using standard goodness-of-fit indices criteria for interpreting results from both CFAs. Analysis of the internal consistency (α and ω) was also pursued. Data from 30,449 study participants were analyzed, 56.7% were women, average age was 40.5 years (standard deviation (SD) = 16.3), 65.9% lived in urban areas, 74.6% were married, and had 9 years of education on average (SD = 4.6). From standard CFA, a one-dimensional model presented the best fit (CFI = 0.936; RMSEA = 0.089; SRMR = 0.039). From multi-group CFA, all progressively restricted models had ΔCFI<0.01 across almost all groups by demographic characteristics. PHQ-9 reliability was optimal (α = ω = 0.87). The evidence presents support for the one-dimensional model and measurement invariance of the PHQ-9 measure, allowing for reliable comparisons between sex, age groups, education level, socioeconomic status, marital status, and residence area, and recommends its use within the Peruvian population.
Editor: United States: Public Library of Science
Idioma: Inglês

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Valid group comparisons can be made with the Patient Health Questionnaire (PHQ-9): A measurement invariance study across groups by demographic characteristics

Villarreal-Zegarra, David ; Copez-Lonzoy, Anthony ; Bernabé-Ortiz, Antonio ; Melendez-Torres, G J ; Bazo-Alvarez, Juan Carlos Blanch, Angel

United States: Public Library of Science

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