Prevalence, detection and drug treatment of hypertension in a rural Australian population : the Greater Green Triangle Risk Factor Study 2004
Janus, E. D., Bunker, S. J., Kilkkinen, A., McNamara, K., Philpot, B., Tideman, P., Tirimacco, R., Laatikainen, T. K., Heistaro, S. and Dunbar, J. A. 2008, Prevalence, detection and drug treatment of hypertension in a rural Australian population : the Greater Green Triangle Risk Factor Study 2004, Internal medicine journal, vol. 38, no. 12, pp. 879-886, doi: 10.1111/j.1445-5994.2007.01583.x.
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Prevalence, detection and drug treatment of hypertension in a rural Australian population : the Greater Green Triangle Risk Factor Study 2004
Background: Hypertension is an important risk factor for cardiovascular disease; however, limited findings are available on its detection and management in rural Australia.
Aim: To assess the prevalence, awareness and treatment of hypertension in a rural South-East Australian population.
Methods: Three cross-sectional surveys in Limestone Coast, Corangamite Shire and Wimmera regions during 2004–2006 using a random population sample (n = 3320, participation rate 49%) aged 25–74 years. Blood pressure was measured by trained nurses. Information on history of hypertension and medication was obtained by questionnaires. Hypertension was defined as systolic blood pressure ≥140 mmHg and/or diastolic blood pressure ≥90 mmHg and/or on antihypertensive drug treatment.
Results: Overall, one-third of participants had hypertension; of these, two-thirds, 54% (95% confidence interval (CI) 47–60) of men and 71% (95% CI 65–77) of women, were aware of their condition. Half of the participants with hypertension were treated and nearly half of these were controlled. Both treatment and control were more common in women (60%, 95% CI 54–67 and 55%, 95% CI 47–64) compared with men (42%, 95% CI 36–49 and 35%, 95% CI 26–44). Monotherapy was used by 55% (95% CI 48–61) of treated hypertensives. Angiotensin-converting enzyme inhibitors were the most frequently used class of antihypertensive drugs in men, whereas angiotensin-converting enzyme inhibitors, angiotensin receptor antagonists and diuretics were all widely used among women.
Conclusion: This study emphasizes suboptimal detection and treatment of hypertension, especially in men, in rural Australia.
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