Table 1. Data sources that were linked.

Data sources	Variables
MOH registry of death database	Age, sex, ethnic group, date of birth, date of death, cause of death, place of death
MOH case mix and subvention database	Date of hospital admission and discharge; ICD-9-CM and ICD-10-CM diagnosis codes
MOH intermediate and long-term care information systems	Nursing home admissions; hospice admissions; home palliative care use
National ACP IT system	Patient preferences for home death
TTSH hospital ACP database	Patient preferences for home death

ACP: Advance Care Planning; ICD-9-CM: International Classification of Diseases, 9th version with clinical modification; ICD-10-CM: International Classification of Diseases, 10th version with clinical modification; IT: Information Technology