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Hormone therapy use in the Canadian Longitudinal Study on Aging: a cross-sectional analysis

Costanian, Christy MSc; Edgell, Heather PhD; Ardern, Chris I. PhD; Tamim, Hala PhD

doi: 10.1097/GME.0000000000000954
Original Articles

Objective: The aim of the study was to assess the prevalence and factors associated with hormone therapy (HT) use among Canadian women.

Methods: Baseline data from the Tracking cohort of the Canadian Longitudinal Study on Aging (CLSA) was used for this analysis. The main outcome was HT use among women aged 45-85 years, defined as current, past, and never users. Multinomial logistic regression models were used to examine the differences between current, past, and never HT users in terms of sociodemographic, health behavior, and health-related variables.

Results: Overall, 9.5% of the sample reported current use of HT, whereas 21.9% reported past use. The main factors associated with a lower likelihood of current HT use were older age (>80 y), nonwhite ethnic background, current employment, regular smoking, obesity, and breast cancer. By contrast, alcohol consumption, and the presence of allergies or mood disorders were positively associated with current HT use.

Conclusions: These findings provide a recent national picture of HT use in Canada that may be used to inform opportunities for improved physician–patient communication regarding menopause management.

School of Kinesiology and Health Science, York University, Toronto, ON, Canada.

Address correspondence to: Christy Costanian, MSc, School of Kinesiology and Health Science, York University, 4700 Keele Street, Toronto, ON M3J1P3, Canada. E-mail: christycostanian@gmail.com

Received 2 May, 2017

Revised 20 June, 2017

Accepted 20 June, 2017

The contributions of the authors are as follows: CC contributed to the conception and the design of the study; performed analysis and write up of the manuscript. HE contributed to the conception of the study, revision and editing of the manuscript. CIA contributed to the revision and editing of the manuscript, and HT contributed to the conception and the design of the study; supervised the analysis, interpretation of the results and write up of the manuscript; revision and editing of the manuscript.

Funding/support: This research was made possible using the data/biospecimens collected by the Canadian Longitudinal Study on Aging (CLSA). Funding for the Canadian Longitudinal Study on Aging (CLSA) was provided by the Government of Canada through the Canadian Institutes of Health Research (CIHR) under grant reference: LSA 9447 and the Canada Foundation for Innovation. This research has been conducted using the CLSA dataset [Baseline Tracking version 3.0], under Application Number [20160304]. The CLSA is led by Drs. Parminder Raina, Christina Wolfson and Susan Kirkland. The authors would like to thank Dr. Hugh McCague for statistical guidance using survey weights, and Dr. Antoine Hannoun for clinical advice.

Financial disclosure/conflicts of interest: None reported.

© 2018 by The North American Menopause Society.