1College of Nursing, Catholic University of Daegu, Daegu, Korea.
2Department of Nursing, Young-Nam Foreign Language College, Gyeongsan, Korea.
© 2014 Korean Academy of Community Health Nursing
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†Dummy variables (With family=0, Alone=d1, A couple=d2); ‡Dummy variables (Very regular=0, Regular=d1, irregular=d2).