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Trends in diabetes mellitus mortality in Puerto Rico: 1980-1997
R Pérez-Perdomo1, C M Pérez-Cardona, E L Suárez-Pérez
1Department of Biostatistics and Epidemiology, Graduate School of Public Health, Medical Sciences Campus, University of Puerto Rico, PO Box 365067, San Juan, Puerto Rico 00936-5067. rperez@rcm.upr.edu
Objective:
To determine the characteristics and trends of diabetes mortality among the Puerto Rican population from 1980 through 1997.
Methods:
Death certificates for Puerto Rican residents whose underlying cause of death was diabetes mellitus (ICD-9-250.0) were reviewed, and sociodemographic information was abstracted. The proportion mortality ratio (PMR) and 95% confidence intervals were calculated by gender, age group, educational level and period of time. Trend analysis in mortality was performed using a Poisson regression model.
Results:
A total of 26,193 deaths (5.8%) were primarily attributed to diabetes mellitus in the study period. Females accounted for 55.8% of all diabetes related deaths. Diabetes accounted for a higher proportion of deaths among persons aged 60-64 years (8.14%), persons aged 65-74 (8.12%), females (7.73%) and those with 1-6 years of education (7.08%). The PMR steadily increased from 4.55% in the 1980-85 period to 6.91% in the 1992-97 period. There was a higher mortality in male diabetic subjects aged < or = 64 than in females during the 18 year period. Between 1980 and 1991, females aged 65-74 had a higher mortality than males, however, mortality increased in males of the same age group during 1992-97. When the oldest age group (> or = 75) was examined, males had a higher mortality between 1986 and 1997, whereas females had a slightly higher rate between 1980 and 1985.
Conclusions:
Our results indicate that diabetes mortality has been markedly increasing in the Puerto Rican population, primarily in persons aged 65 years or more. Further analysis is needed to evaluate the determinants of mortality in diabetes.