| HPC is care that helps terminally ill patients die naturally and comfortably. | 230(96.6) | 8( 3.4) | 0.97±0.18 |
| Painkillers would be cancelled in HPC situation. | 215(90.3) | 23( 9.7) | 0.90±0.30 |
| Basic medical services, such as nutrition, are provided when receiving HPC. | 224(94.1) | 14( 5.9) | 0.94±0.24 |
| A terminally ill patient does not have the ability to make decisions. | 204(85.7) | 34(14.3) | 0.86±0.35 |
| A dying patient does not have the ability to make decisions. | 182(76.5) | 56(23.5) | 0.76±0.43 |
| LST is the treatment to treat disease. | 208(87.4) | 30(12.6) | 0.87±0.33 |
| CPR is performed when the heart or breathing stops. | 123(51.7) | 115(48.3) | 0.52±0.50 |
| AD is available to any adult aged 19 or older. | 150(63.0) | 88(37.0) | 0.63±0.48 |
| AD is a document that specifies in advance whether or not an adult wants LST in case he or she loses his or her ability to make a decision. | 195(81.9) | 43(18.1) | 0.82±0.39 |
| AD can be prepared by a family member on behalf of a patient. | 118(49.6) | 120(50.4) | 0.50±0.50 |
| A patient may designate an agent to make a medical decision on his/her behalf using AD. | 25(10.5) | 213(89.5) | 0.11±0.31 |
| AD must be prepared only in the designated institution. | 107(45.0) | 131(55.0) | 0.45±0.50 |
| In order to prepare AD, you need professional help either from a doctor or nurse. | 41(17.2) | 197(82.8) | 0.17±0.38 |
| AD can be changed or abolished at any time. | 176(73.9) | 62(26.1) | 0.74±0.44 |
| POLST is prepared in advance that terminally ill or dying patients’ wishes toward LST. | 173(72.7) | 65(27.3) | 0.73±0.45 |
| POLST should be prepared after the doctor explains it directly to the patient. | 169(71.0) | 69(29.0) | 0.71±0.45 |
| POLST cannot be changed once it is completed. | 189(79.4) | 49(20.6) | 0.79±0.41 |
| POLST can be prepared only by the opinion of the family instead of the patient. | 126(52.9) | 112(47.1) | 0.53±0.50 |
| POLST is a document prepared by a doctor. | 98(41.2) | 140(58.8) | 0.41±0.49 |
| Other documents such as DNR may be used instead of POLST. | 70(29.4) | 168(70.6) | 0.29±0.46 |
| After complete POLST, all medical services including painkillers and antibiotics will be suspended. | 173(72.7) | 65(27.3) | 0.73±0.45 |
| Total (Possible range: 0~21) | | | 13.43±4.02 |
| Total average (Possible range: 0~1) | | | 0.64±0.19 |