4dos Santos AT, Leyendecker DD, Costa AL, et al. Subjective memory complain in healthy elderly: influence of depressive symp- toms, perceived stress and self-esteem [ J ]. Rev Esc Enferm USP, 2012,46:24-29.
5Lim LL, Chang W, Yu X, et al. Depression in Chinese elderlypopulations [ J ]. Aisa-Pacific Psychiatry, 2011,3 ( 2 ) :46-53.
6Lam TH, Li ZB, Ho SY, et al. Smoking and depressive symptoms in Chinese elderly in Hong Kong [ J ]. Acta Psychiatr Scand, 2004,110(3 ) : 195-200.
7Sun W, Watanabe M, Tanimoto Y, et al. Factors associated with good self-rated health of non-disabled elderly living alone in Ja- pan : a cross-sectional study [ J ]. BMC Public Health, 2007,7 : 297.
8Gregg AT, Garry LM. Exercise therapy for patients with psychiat- ric disorders: research and clinical implications [ J ]. Professional Psychology: Research and Practice, 1999,30(3):275-282.
9McNeil JK, LeBlanc EM, Joyner M. The effect of exercise on de- pressive symptoms in the moderately depressed elderly [ J ]. Psy- ehol Aging, 1991,6(3) :487-488.