Archives of Gerontology and Geriatrics
Volume 54, Issue 1 , Pages 3-8 , January 2012

Frailty and survival of older Chinese adults in urban and rural areas: Results from the Beijing Longitudinal Study of Aging

  • Pulin Yu

      Affiliations

    • Beijing Institute of Geriatrics, Beijing Hospital, Ministry of Health, No.1 Dahua Road, Beijing, China
    • ,
  • Xiaowei Song

      Affiliations

    • Geriatric Medicine Research Unit, Dalhousie University, 5955 Veterans’ Memorial Lane, Halifax B3H 2E1, Canada
    • National Research Council, Institute for Biodiagnostics-Atlantic, Halifax B3H 2E1, Canada
    • ,
  • Jing Shi

      Affiliations

    • Beijing Institute of Geriatrics, Beijing Hospital, Ministry of Health, No.1 Dahua Road, Beijing, China
    • Geriatric Medicine Research Unit, Dalhousie University, 5955 Veterans’ Memorial Lane, Halifax B3H 2E1, Canada
    • ,
  • Arnold Mitnitski

      Affiliations

    • Geriatric Medicine Research Unit, Dalhousie University, 5955 Veterans’ Memorial Lane, Halifax B3H 2E1, Canada
    • Department of Mathematics and Statistics, Dalhousie University, Halifax B3H 2E1, Canada
    • ,
  • Zhe Tang

      Affiliations

    • Beijing Geriatric Clinical and Research Center, Xuanwu Hospital of Capital Medical University, No. 45 Changchun Street, Beijing 100530, China
    • ,
  • Xianghua Fang

      Affiliations

    • Beijing Geriatric Clinical and Research Center, Xuanwu Hospital of Capital Medical University, No. 45 Changchun Street, Beijing 100530, China
    • Corresponding Author InformationCorresponding author. Tel: +86 010 63153439; fax: +86 010 63153439.
    • ,
  • Kenneth Rockwood

      Affiliations

    • Geriatric Medicine Research Unit, Dalhousie University, 5955 Veterans’ Memorial Lane, Halifax B3H 2E1, Canada
    • Department of Medicine, Dalhousie University, Halifax B3H 2E1, Canada
    • Corresponding Author InformationCorresponding author at: Centre for Health Care of the Elderly, QEIIHealth Sciences Centre, Capital District Health Authority, Dalhousie University, Suite 1421, 5955 Veterans Memorial Lane, Halifax B3H 2E1, Canada. Tel.: +1 902 4731421; fax: +1 902 4731421.

Received 23 February 2011 ,Revised 19 April 2011 ,Accepted 20 April 2011.

  • Image Result

    Composition of BLSA cohort.

    Composition of BLSA cohort.

  • Image Result

    FI as a function of age analyzed for the entire study sample (A) and for rural and urban women and men separately (B). In (A), marks represent the observation data and lines represent exponential fit:

    FI as a function of age analyzed for the entire study sample (A) and for rural and urban women and men separately (B). In (A), marks represent the observation data and lines represent exponential fit: FI=A×eB×age, where A=0.092, B=0.036, r2=0.872.

  • Image Result
    Eight-year death rate as a function of the FI for the entire study sample (A) and sub-samples based on sex and geographical region (B). In (A), marks represent the observation data and lines represent

    Eight-year death rate as a function of the FI for the entire study sample (A) and sub-samples based on sex and geographical region (B). In (A), marks represent the observation data and lines represent logistic regression fit: Death Rate=A×eB×FI/(1+A×eB×FI), where A=0.259, B=6.865, r2=0.877.

  • Image Result
    The Kaplan–Meier cumulative survival probability for men and women in the rural and urban regions.

    The Kaplan–Meier cumulative survival probability for men and women in the rural and urban regions.

PII: S0167-4943(11)00104-X

doi: 10.1016/j.archger.2011.04.020

Archives of Gerontology and Geriatrics
Volume 54, Issue 1 , Pages 3-8 , January 2012

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