Working retirees in Taiwan: examining determinants of different working status after retirement.

This study aims to investigate the factors influencing the work status of retirees after retirement, especially focusing on self-employment and unpaid work. Data was taken and analyzed from the "Taiwan Health and Retirement Study," a nationally representative sample of retired personnel aged 50-74 in 2015-2016. Four types of work status were classified after retirement: Fully retired, Paid work, Self-employment, and Unpaid work.