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Prevalence, control and awareness of high blood pressure among Canadian adults. Canadian Heart Health Surveys Research Group.
CMAJ 1992; 146(11):1997-2005CMAJ

Abstract

OBJECTIVE

To estimate the prevalence and distribution of elevated blood pressure (BP) among Canadian adults and to determine the level of control, treatment, awareness and prevalence of other risk factors among adults with high BP.

DESIGN

Population-based cross-sectional surveys.

SETTING

Nine Canadian provinces, from 1986 to 1990.

PARTICIPANTS

A probability sample of 26,293 men and women aged 18 to 74 years was selected from the health insurance registers in each province. For 20,582 subjects, BP was measured at least twice. Nurses administered a standard questionnaire and recorded two BP measurements using a standardized technique. Two further BP readings, anthropometric measurements and a blood specimen for lipid analysis were obtained from those subjects who attended a clinic.

OUTCOME MEASURES

Mean values of systolic and diastolic BP, prevalence of elevated BP using different criteria, and prevalence of smoking, elevated blood cholesterol, body mass index, physical activity and presence of diabetes by high BP status are reported.

MAIN RESULTS

Sixteen percent of men and 13% of women had diastolic BP of 90 mm Hg or greater or were on treatment (or both). About 26% of these subjects were unaware of their hypertension, 42% were being treated and their condition controlled, 16% were treated and not controlled, and 16% were neither treated nor controlled. Use of non-pharmacologic treatment of high BP with or without medication was low (22%). Hypertensive subjects showed a higher prevalence of elevated total cholesterol, high body mass index, diabetes and sedentary lifestyle than normotensive subjects. Most people with elevated BP were in the 90 to 95 mm Hg range for diastolic pressure and 140 to 160 mm Hg range for systolic pressure. Prevalence of high isolated systolic BP sharply increased in men (40%) and women (49%) 65 to 74 years old.

CONCLUSIONS

The relatively low level of control of elevated BP calls for population and individual strategies, stressing a non-pharmacologic approach and addressing isolated systolic hypertension in the elderly.

Authors+Show Affiliations

Alberta Health, Edmonton.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

1596849

Citation

Joffres, M R., et al. "Prevalence, Control and Awareness of High Blood Pressure Among Canadian Adults. Canadian Heart Health Surveys Research Group." CMAJ : Canadian Medical Association Journal = Journal De l'Association Medicale Canadienne, vol. 146, no. 11, 1992, pp. 1997-2005.
Joffres MR, Hamet P, Rabkin SW, et al. Prevalence, control and awareness of high blood pressure among Canadian adults. Canadian Heart Health Surveys Research Group. CMAJ. 1992;146(11):1997-2005.
Joffres, M. R., Hamet, P., Rabkin, S. W., Gelskey, D., Hogan, K., & Fodor, G. (1992). Prevalence, control and awareness of high blood pressure among Canadian adults. Canadian Heart Health Surveys Research Group. CMAJ : Canadian Medical Association Journal = Journal De l'Association Medicale Canadienne, 146(11), pp. 1997-2005.
Joffres MR, et al. Prevalence, Control and Awareness of High Blood Pressure Among Canadian Adults. Canadian Heart Health Surveys Research Group. CMAJ. 1992 Jun 1;146(11):1997-2005. PubMed PMID: 1596849.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Prevalence, control and awareness of high blood pressure among Canadian adults. Canadian Heart Health Surveys Research Group. AU - Joffres,M R, AU - Hamet,P, AU - Rabkin,S W, AU - Gelskey,D, AU - Hogan,K, AU - Fodor,G, PY - 1992/6/1/pubmed PY - 1992/6/1/medline PY - 1992/6/1/entrez SP - 1997 EP - 2005 JF - CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne JO - CMAJ VL - 146 IS - 11 N2 - OBJECTIVE: To estimate the prevalence and distribution of elevated blood pressure (BP) among Canadian adults and to determine the level of control, treatment, awareness and prevalence of other risk factors among adults with high BP. DESIGN: Population-based cross-sectional surveys. SETTING: Nine Canadian provinces, from 1986 to 1990. PARTICIPANTS: A probability sample of 26,293 men and women aged 18 to 74 years was selected from the health insurance registers in each province. For 20,582 subjects, BP was measured at least twice. Nurses administered a standard questionnaire and recorded two BP measurements using a standardized technique. Two further BP readings, anthropometric measurements and a blood specimen for lipid analysis were obtained from those subjects who attended a clinic. OUTCOME MEASURES: Mean values of systolic and diastolic BP, prevalence of elevated BP using different criteria, and prevalence of smoking, elevated blood cholesterol, body mass index, physical activity and presence of diabetes by high BP status are reported. MAIN RESULTS: Sixteen percent of men and 13% of women had diastolic BP of 90 mm Hg or greater or were on treatment (or both). About 26% of these subjects were unaware of their hypertension, 42% were being treated and their condition controlled, 16% were treated and not controlled, and 16% were neither treated nor controlled. Use of non-pharmacologic treatment of high BP with or without medication was low (22%). Hypertensive subjects showed a higher prevalence of elevated total cholesterol, high body mass index, diabetes and sedentary lifestyle than normotensive subjects. Most people with elevated BP were in the 90 to 95 mm Hg range for diastolic pressure and 140 to 160 mm Hg range for systolic pressure. Prevalence of high isolated systolic BP sharply increased in men (40%) and women (49%) 65 to 74 years old. CONCLUSIONS: The relatively low level of control of elevated BP calls for population and individual strategies, stressing a non-pharmacologic approach and addressing isolated systolic hypertension in the elderly. SN - 0820-3946 UR - https://www.unboundmedicine.com/medline/citation/1596849/Prevalence_control_and_awareness_of_high_blood_pressure_among_Canadian_adults__Canadian_Heart_Health_Surveys_Research_Group_ L2 - https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/1596849/ DB - PRIME DP - Unbound Medicine ER -