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Prevalencia de diabetes mellitus no insulinodependiente en la población rural de Durango, México Prevalence of non-insulin-dependent diabetes mellitus in the rural population of Durango, Mexico

By Jesús F. Guerrero Romero, Martha Rodríguez Morán and Francisco Sandoval Herrera

Abstract

El presente estudio tuvo el objetivo de determinar la prevalencia de diabetes mellitus no insulinodependiente (DMNID) en la población rural de Durango, México, y algunos de sus factores de riesgo. Tras un muestreo aleatorio, 30 996 individuos de 30 años de edad o mayores fueron entrevistados en 627 comunidades rurales de Durango de noviembre de 1993 a diciembre de 1994 con el fin de obtener información sobre distintas variables sociodemográficas. A cada individuo se le tomó una muestra de sangre capilar para determinar su glicemia después de 10 a 12 horas de ayuno. Se hicieron determinaciones de tendencia central y dispersión y se determinaron las distribuciones porcentuales de las variables estudiadas. Se hicieron comparaciones entre proporciones con la prueba de ji cuadrado, y entre medias con la prueba t de Student. La fuerza de las asociaciones se estimó con la razón de posibilidades. Para las proporciones se calculó el intervalo de confianza de 95% (IC95%). La muestra final se compuso de 31 028 personas, 22 890 (73,8 %) de las cuales fueron mujeres y 8 138 (26,2%), hombres. Se detectaron 1 004 casos de DMNID (3,2%; IC95%: 3,0 a 3,4%), 767 en mujeres y 237 en hombres. Solamente 9,2% de los individuos estudiados eran obesos. La mayor frecuencia de DMNID se documentó en individuos de 60 a 69 años de edad. Se identificaron antecedentes familiares de DMNID en 59,5% de las personas con la enfermedad (IC95%: 58,9 a 60,0%) y en 26,3% de las personas sanas (IC95%: 25,8 a 26,8%). Se cree que la poca prevalencia de DMNID encontrada en el presente estudio pudiera estar relacionada con la menor frecuencia de obesidad en la población encuestada.<br>This study was carried out to determine the prevalence of non-insulin-dependent diabetes mellitus (NIDDM) in rural inhabitants of Durango, Mexico, and some of the risk factors for the disease. A random sample of 30 996 individuals aged 30 years and over was selected from 627 rural communities in Durango. These persons were interviewed between November 1993 and December 1994 to obtain information on several sociodemographic variables. A capillary blood sample was collected from each individual to determine his or her glucose level after 10-12 hours of fasting. Measures of central tendency and dispersion were calculated, and percentage distributions for the study variables were determined. Comparisons among proportions were made utilizing the chi-square test, and means were compared using Student's t test. The strength of associations was estimated with odds ratios, and 95% confidence intervals (CI95%) were calculated for proportions. The final sample consisted of 31 028 persons, of whom 22 890 (73.8%) were women and 8 138 (26.2%) were men. A total of 1 004 cases of NIDDM were detected (3.2%; CI95%: 3.0 to 3.4), 767 in women and 237 in men. Only 9.2% of the study population was obese. The highest frequency of NIDDM was documented in persons 60 to 69 years of age. Family history of NIDDM was identified in 59.5% of the persons with the disease (CI95%: 58.9 to 60.0) and in 26.3% of the healthy persons (CI95%: 25.8 to 26.8). The low prevalence of NIDDM found in this study may be related to the low level of obesity in the populatin surveyed

Topics: LCC:Public aspects of medicine, LCC:RA1-1270, LCC:Medicine, LCC:R, DOAJ:Public Health, DOAJ:Health Sciences
Publisher: Organización Panamericana de la Salud
Year: 1997
OAI identifier: oai:doaj.org/article:7d2e094e51484eefb057b6add0eea04f
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