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Table 4
Prevalence of type of medication used in past two days, by anatomical system and sub-category, household and institutional populations aged 65 or older, Canada excluding territories, 1998/1999 (households) and 1996/1997 (institutions)

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Anatomical system Sub-category Households Institutions
Estimated population Prevalance Estimated population Prevalance
  thousands % thousands %
Nervous system   1,222 36.6 138 78.3
Analgesics 939 76.9 88 64.3
Psycholeptics 276 22.6 76 55.3
Psychoanaleptics 131 10.7 34 24.4
Anti-Parkinson drugs 25E 2.1E 20 14.8
Antiepileptics 65E 5.3E 16 11.6
Alimentary tract/metabolism   781 23.5 124 70.8
Laxatives 74E 9.5E 78 62.5
Antacids, drugs for peptic ulcer/flatulence 311 39.8 42 33.7
Mineral supplements 123 15.7 22 17.8
Vitamins 95 12.2 22 17.5
Drugs used in diabetes 269 34.4 19 14.9
Cardiovascular system   1,455 43.5 96 54.9
Diuretics 536 36.9 56 58.3
Cardiac therapy 289 19.9 37 39.0
Antihypertensives 653 44.9 29 30.6
Calcium channel blockers 330 22.7 21 21.5
Beta-blocking agents 377 25.9 9 9.5
† percent based on all respondents who reported taking at least one medication in past two days
‡ percent based on respondents who reported taking medications for specific anatomical system in previous two days
E use with caution (coefficient of variation between 16.6% and 33.3%)
Note: "Incontinence" includes urinary and bowel incontinence for the institutional population, but is limited to urinary incontinence for the household population.
Source: National Population Health Survey, cross-sectional files, 1998/1999 (households) and 1996/1997 (institutions).
Table source: Statistics Canada, 2009, "Medication use among senior Canadians", Health Reports, Vol. 20, No. 1, catalogue number 82-003-X.