1College of Nursing, Ewha Womans University, Seoul, Korea.
2Graduate School of Public Health, Department of Public Health Science·Institute of Aging·Institute of Health and Environment, Seoul National University, Seoul, Korea.
© 2016 Korean Society of Nursing Science
This is an Open Access article distributed under the terms of the Creative Commons Attribution NoDerivs License. (http://creativecommons.org/licenses/by-nd/4.0/) If the original work is properly cited and retained without any modification or reproduction, it can be used and re-distributed in any format and medium.
This manuscript is a revision of the first author's master's thesis from Seoul National University.
This research was supported by the National Research Foundation of Korea (NRF) Grant funded by the Ministry of Science, ICT & Future Planning (Grant number: 2010-0002802).
The authors declared no conflict of interest.
ADL=Activities of daily living.
ADL=Activities of Daily Living
ADL=Activities of daily living.
ADL=Activities of Daily Living