TY - JOUR AU - Zhao, Yuan AU - Dupre, Matthew E. AU - Qiu, Li AU - Gu, Danan PY - 2017 DA - 2017/06/09 TI - Changes in perceived uselessness and risks for mortality: evidence from a National sample of older adults in China JO - BMC Public Health SP - 561 VL - 17 IS - 1 AB - Self-perception of uselessness is associated with increased mortality risk in older adults. However, it is unknown whether and to what extent changes in perceived uselessness are associated with mortality risk. SN - 1471-2458 UR - https://doi.org/10.1186/s12889-017-4479-1 DO - 10.1186/s12889-017-4479-1 ID - Zhao2017 ER -