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Table 3
Adjusted odds ratios relating multiple medication use to selected characteristics, household and institutional populations, aged 65 or older, Canada excluding territories, 1998/1999 (households) and 1996/1997 (institutions)

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  Multiple medication use
Households Institutions
Adjusted odds ratio 95% confidence interval Adjusted odds ratio 95% confidence interval
from to from to
Indicators of ill health
Chronic pain
Yes 1.8* 1.3 2.4 2.1* 1.5 3.0
No 1.0 1.0
Number of chronic conditions
None or one 1.0 1.0
Two 3.4* 1.9 6.0 0.9 0.6 1.4
Three or more 14.8* 8.8 24.9 2.3* 1.5 3.4
Socio-demographic characteristics
Sex
Men 1.1 0.8 1.5 0.9 0.7 1.2
Women 1.0 1.0
Age (continuous) 1.0 0.99 1.04 0.99 0.97 1.00
Education
Less than secondary graduation 1.0 1.0
Secondary graduation 0.9 0.7 1.3 0.9 0.7 1.2
Proxy reporter
Yes 1.4 0.8 2.2 0.4* 0.3 0.6
No 1.0 1.0
Model information
Sample size 2,820 1,364
Sample using multiple medications 365 747
Records dropped because of missing values 31 347
† reference category
* significantly different from estimate for reference category (p<0.05)
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.