Changes in frailty among community-dwelling Chinese older adults and its predictors: evidence from a two-year longitudinal study

Bo Ye, Hao Chen, Limei Huang, Ye Ruan, Shige Qi, Yanfei Guo, Zhezhou Huang, Shuangyuan Sun, Xiuqin Chen, Yan Shi, Junling Gao, Yonggen Jiang, Bo Ye, Hao Chen, Limei Huang, Ye Ruan, Shige Qi, Yanfei Guo, Zhezhou Huang, Shuangyuan Sun, Xiuqin Chen, Yan Shi, Junling Gao, Yonggen Jiang

Abstract

Background: It is important to clarify the transitions and related factors of frailty for prevention of frailty. We evaluated the transitions of frailty among community-dwelling older adults and examined the predictors of the transitions.

Methods: A cohort study was conducted among 3988 community residents aged ≥60 years during 2015 and 2017. A multiple deficits approach was used to construct the Frailty Index (FI) according to the methodology of FI construction, and sociodemographic characteristics and lifestyles were also collected in 2015. After 2-year follow-up, the transitions of frailty between baseline and were evaluated. Multinomial logistic regressions were used to examine associations between predictors and the transitions of frailty.

Results: The proportion of robust, prefrail, and frail was 79.5, 16.4, and 4.1% among 3988 participants at baseline, which changed to 68.2, 23.0, and 8.8% after 2 years with 127 deaths and 23 dropped out. Twelve kinds of transitions from the three frailty statuses at baseline to four outcomes at follow-up (including death) significantly differed within each of gender and age group, as well between genders and age groups. Among these, 7.8% of prefrail or frail elders improved, 70.0% retained their frailty status, and 22.2% of robust or prefrail elders worsened in frailty status. In multivariable models, age was significantly associated with changes in frailty except for in the frail group; higher educational level and working predicted a lower risk of robust worsening. Of the lifestyle predictors, no shower facilities at home predicted a higher risk of robust worsening; more frequent physical exercise predicted a lower risk of robust worsening and a higher chance of frailty improvement; more frequent neighbor interaction predicted a lower risk of robust worsening and prefrail worsening; and more frequent social participation predicted a higher chance of prefrail improvement.

Conclusions: The status of frailty was reversible among community-dwelling elderly, and sociodemographic and lifestyle factors were related to changes in frailty. These findings help health practitioners to recognize susceptible individuals in a community and provide health promotional planning to target aged populations.

Keywords: Change of frailty; Community-based; Frailty; Frailty index; Lifestyle; Older adults; Predictors; Transitions.

Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
a Transitions of frailty status from baseline to follow-up according to gender. b Transitions of frailty status from baseline to follow-up according to age

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