Time trends of hypertension and diabetes mellitus prevalence among adults registered in the Brazilian National Health System, in Florianópolis, Santa Catarina State, Brazil, 2004-2011.

OBJECTIVE: to investigate the time trend of prevalence of hypertension, diabetes mellitus, and both diseases combined, from 2004 to 2011; and to analyze their association with sociodemographic factors in adults registered in the Brazilian National Health System (SUS) in Florianópolis-SC, Brazil, in 2011.

METHODS: time-series study using secondary data from the Primary Health Care Information System of adults (≥20 years) at SUS; Prais-Winsten regression was used.

RESULTS: from 2004 to 2011, prevalences of hypertension (7 to 13.5%), diabetes (2.2 to 4.2%) and both diseases combined (1.2 to 2.9%) increased; after adjustment, the occurrence of the diseases was higher among women (except for the association of hypertension with diabetes), the elderly, less educated and residents in the Mainland and South sanitary districts.

CONCLUSION: the occurrence of the investigated diseases doubled from 2004 to 2011. However, the prevalences found are below the ones described in the Brazilian scientific literature.