To describe care worker–reported quality of care and to examine its relationship with staffing variables, work environment, work stressors, and implicit rationing of nursing care.
To explore comparability of Kihon Checklist (KCL) and Kaigo-Yobo Checklist (KYCL) to Frailty Index (FI) in predicting risks of long-term care insurance (LTCI) certification and/or mortality over 3 years.