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      Validación de un instrumento para medir el efecto de la salud bucal en la calidad de vida de adultos mayores mexicanos Translated title: Validation of an instrument for measuring the effects of oral health on the quality of life of older adults in Mexico

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          Abstract

          OBJETIVOS: Traducir, adaptar culturalmente y validar una nueva versión en español del instrumento denominado perfil de impacto de la salud bucal (OHIP) en adultos mayores de la Ciudad de México, México. MÉTODOS: Estudio de validación de la nueva versión OHIP-Mx-49 mediante entrevistas y exámenes clínicos a personas de 60 años o más del sur de la Ciudad de México. Se analizaron variables sociodemográficas (edad, sexo, estado civil, nivel de escolaridad y si vive solo), clínicas (número de dientes presentes, caries coronal y radicular, higiene de la dentadura, y uso de prótesis removible y dentadura total) y de autopercepción (necesidad de tratamiento dental y de salud general). Como valor del OHIP-Mx-49 se tomó la suma de las puntuaciones alcanzadas en sus siete dimensiones: limitación funcional, dolor, incomodidad psicológica, inhabilidad física, inhabilidad psicológica, inhabilidad social e incapacidad. Se evaluó la consistencia interna (coeficientes a de Cronbach), la repetibilidad (coeficiente de correlación intraclase) y la validez convergente y discriminativa (pruebas de Mann-Whitney y de Kruskal-Wallis). RESULTADOS: De las 131 personas entrevistadas (edad promedio: 73,8 ± 8,3 años), 77,9% eran mujeres. Se obtuvieron valores elevados de consistencia interna, tanto del OHIP-Mx-49 (0,96) como de las dimensiones (0,79-0,86), y de repetibilidad en el instrumento (0,877) y todas las dimensiones, excepto inhabilidad social (0,176). La puntuación promedio del OHIP-Mx-49 fue de 37,1 ± 35,3; se observaron mayores puntuaciones en las personas con 1-9 dientes (P = 0,02), las que no presentaron caries coronal (P = 0,02) y las que percibían necesitar tratamiento dental (P = 0,01). CONCLUSIONES: El OHIP-Mx-49 es un instrumento confiable y válido que puede aplicarse en adultos mayores mexicanos.

          Translated abstract

          OBJECTIVE: Translate, culturally adapt, and validate a new Spanish version of the Oral Health Impact Profile (OHIP) for older persons in Mexico City, Mexico. METHODS: A validation study of the new version of OHIP-Mx-49 was carried out through interviews and clinical examinations of people aged 60 or older in the southern area of Mexico City. The following variables were analyzed: sociodemographic (age, sex, marital status, level of schooling, and whether the subject lived alone), clinical (current number of teeth, coronal and root caries, dental hygiene, and the use of removable prostheses and dentures), and self-perception (of the need for dental and general health care). The OHIP-Mx-49 value was calculated as the sum of the scores in seven dimensions: functional limitation, pain, psychological discomfort, physical disability, psychological disability, social disability, and handicap. The internal consistency (Cronbach's alpha coefficient), replicability (intraclass correlation coefficient), and convergent and discriminant validity (Mann-Whitney and Kruskal-Wallis tests) were assessed. RESULTS: Of the 131 people interviewed (average age: 73.8 ± 8.3 years), 77.9% were women. High internal consistency values were obtained for the OHIP-Mx-49 (0.96) and the dimensions (0.79-0.86), and replicability in the instrument (0.877) and all the dimensions except social disability (0.176). The average OHIP-Mx-49 score was 37.1 ± 35.3; higher scores were observed in people with 1-9 teeth (P = 0.02), people who did not have coronal caries (P = 0.02), and people who perceived a need for dental care (P = 0.01). CONCLUSIONS: The OHIP-Mx-49 is a reliable and valid instrument that can be used with older Mexicans.

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          Derivation and validation of a short-form oral health impact profile.

          Growing recognition that quality of life is an important outcome of dental care has created a need for a range of instruments to measure oral health-related quality of life. This study aimed to derive a subset of items from the Oral Health Impact Profile (OHIP-49)-a 49-item questionnaire that measures people's perceptions of the impact of oral conditions on their well-being. Secondary analysis was conducted using data from an epidemiologic study of 1217 people aged 60+ years in South Australia. Internal reliability analysis, factor analysis and regression analysis were undertaken to derive a subset (OHIP-14) questionnaire and its validity was evaluated by assessing associations with sociodemographic and clinical oral status variables. Internal reliability of the OHIP-14 was evaluated using Cronbach's coefficient alpha. Regression analysis yielded an optimal set of 14 questions. The OHIP-14 accounted for 94% of variance in the OHIP-49; had high reliability (alpha = 0.88); contained questions from each of the seven conceptual dimensions of the OHIP-49; and had a good distribution of prevalence for individual questions. OHIP-14 scores and OHIP-49 scores displayed the same pattern of variation among sociodemographic groups of older adults. In a multivariate analysis of dentate people, eight oral status and sociodemographic variables were associated (P < 0.05) with both the OHIP-49 and the OHIP-14. While it will be important to replicate these findings in other populations, the findings suggest that the OHIP-14 has good reliability, validity and precision.
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            Development and evaluation of the Oral Health Impact Profile.

            The capacity of dental clinicians and researchers to assess oral health and to advocate for dental care has been hampered by limitations in measurements of the levels of dysfunction, discomfort and disability associated with oral disorders. The purpose of this research was to develop and test the Oral Health Impact Profile (OHIP), a scaled index of the social impact of oral disorders which draws on a theoretical hierarchy of oral health outcomes. Forty nine unique statements describing the consequences of oral disorders were initially derived from 535 statements obtained in interviews with 64 dental patients. The relative importance of statements within each of seven conceptual subscales was assessed by 328 persons using Thurstone's method of paired comparisons. The consistency of their judgements was confirmed (Kendall's mu, P < 0.05). The reliability of the instrument was evaluated in a cohort of 122 persons aged 60 years and over. Internal reliability of six subscales was high (Cronbach's alpha, 0.70-0.83) and test-retest reliability (intraclass correlation coefficient, 0.42-0.77) demonstrated stability. Validity was examined using longitudinal data from the 60 years and over cohort where the OHIP's capacity to detect previously observed associations with perceived need for a dental visit (ANOVA, p < 0.05 in five subscales) provided evidence of its construct validity. The Oral Health Impact Profile offers a reliable and valid instrument for detailed measurement of the social impact of oral disorders and has potential benefits for clinical decision-making and research.
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              What do measures of 'oral health-related quality of life' measure?

              The terms 'health-related quality of life' and 'quality of life' are now in common use to describe the outcomes of oral health conditions and therapy for those conditions. In addition, there has been a proliferation of measures designed to quantify those outcomes. These measures, which were initially designated as socio-dental indicators or subjective oral health indicators are now more usually referred to as measures of oral health-related quality of life (OH-QoL). This is based on the assumption that the functional and psychosocial impacts they document must, of necessity, affect the quality of life. While this assumption has been subject to critical scrutiny in medicine, this is not the case with dentistry. Consequently, exactly what is being measured by indexes of OH-QoL is somewhat unclear. Based on the debate between Gill and Feinstein and Guyatt and Cook, we outline a number of criteria by means of which the construct addressed by measures of OH-QoL may be assessed. These are concerned with how the measures were developed and validated. These criteria are then used to appraise five of the many measures that have been developed over the past 20 years--the GOHAI, OHIP, OIDP, COHQoL and OH-QoL. The main conclusion is that while all document the frequency of the functional and psychosocial impacts that emanate from oral disorders they do not unequivocally establish the meaning and significance of those impacts. Consequently, the claim that oral disorders affect the quality of life has yet to be clearly demonstrated. Verifying this claim requires further qualitative studies of the outcomes of oral disorders as perceived by patients and persons, and the concurrent use of measures that more explicitly address the issue of quality of life.
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                Author and article information

                Journal
                rpsp
                Revista Panamericana de Salud Pública
                Rev Panam Salud Publica
                Organización Panamericana de la Salud (Washington, Washington, United States )
                1020-4989
                1680-5348
                May 2010
                : 27
                : 5
                : 321-329
                Affiliations
                [01] México D. F. orgnameInstituto de Geriatría orgdiv1Subdirección de Investigación Epidemiológica México castrejon@ 123456salud.gob.mx
                [02] México D. F. orgnameUniversidad Nacional Autónoma de México orgdiv1Facultad de Odontología México
                [03] México D. F. orgnameUniversidad Autónoma Metropolitana México
                Article
                S1020-49892010000500001 S1020-4989(10)02700501
                10.1590/s1020-49892010000500001
                882ee8a1-bb4d-4ae7-8676-c6534acc3467

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 20 January 2010
                : 15 October 2009
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 45, Pages: 9
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                SciELO Public Health

                Self URI: Texto completo solamente en formato PDF (ES)
                Categories
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                estudios de validación,calidad de vida,Mexico,aged,validation studies,quality of life,Oral health,México,anciano,Salud bucal

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