(Hypertension. 2001;38:449.)
© 2001 American Heart Association, Inc.
Scientific Contributions |
Prevalence and Therapeutic Control of Hypertension in 30 000 Subjects in the Workplace
From the Département d’Epidémiologie et de Santé Publique, INSERM U558, Faculté de Médecine (T.L., E.D.), Toulouse; Service de Cardiologie Médecine du Travail, CHHU La Tronche (R.d.G., L.H.), Grenoble; and Département de Santé Publique et d’Informatique, Faculté de Médecine Broussais (G.C.), Paris, France.
Correspondence to Pr Thierry Lang, Département d’Epidémiologie et de Santé Publique, INSERM U558, Faculté de Médecine, 37, Allées Jules Guesde, 31000 Toulouse, France. E-mail lang{at}cict.fr
Abstract— —To assess blood pressure (BP) control in a French working population through the use of a careful assessment of BP based on 2 different visits in 1 month, 17 359 men and 12 267 women were evaluated from January 1997 to April 1998. The initial phase was a cross-sectional analysis of a cohort study designed to assess the incidence of arterial hypertension in a French working population. Information was collected by the work-site physician during the annual examination. BP was measured with a validated automatic device. Among subjects with BP 
mm Hg, patients not treated with antihypertensive drugs were invited to have an additional BP measurement taken 1 month later. The prevalence of hypertension (BP mm Hg) based on 2 visits was 16.2% in men and 9.4% in women. When the diagnosis of hypertension was based on 2 visits, its prevalence was 41% lower in men and 36% lower in women compared with that of a diagnosis based on a single visit. Accordingly, the awareness of hypertension was 49% higher in men and 40% higher in women. Overall, 12.5% of hypertensive men and 33.2% of hypertensive women taking antihypertensive medication had their BP levels lowered to < mm Hg by treatment. Although the percentage of hypertensive men and women under current treatment who were aware of their hypertension increased with age, BP control among treated subjects decreased with age. Ineffective BP control with treatment accounted for 33% of BP levels 
mm Hg in men and 40% of those observed in women. In this large French working population, estimates of hypertension therapeutic control depend heavily on the number of BP measurements. Despite these methodological precautions, insufficient awareness of BP and insufficient BP control through treatment remain 2 major public health problems.
Key Words: hypertension, arterial • blood pressure monitoring • hypertension, detection and control
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