Table 5 Association between practical application of CPR and knowledge source among aware participants
Variables | Source of knowledge | |||
|---|---|---|---|---|
Formal CPR course n (%) | Campaign n (%) | Media n (%) | p value | |
Procedures | ||||
 Opening an airway | 21 (55.3) | 21 (47.7) | 32 (9.7) | < 0.001 |
 Give mouth-mouth ventilation | 25 (65.8) | 24 (54.5) | 28 (8.5) | < 0.001 |
 Starting chest compression | 36 (94.7) | 40 (90.9) | 48 (14.5) | < 0.001 |
 Giving mouth to mouth-start chest compression | 24 (63.2) | 22 (50.0) | 19 (5.7) | < 0.001 |
 Those knowing three procedures | 19 (50.0) | 16 (36.4) | 9 (2.7) | < 0.001 |
 I do not know | 0 (0.0) | 0 (0.0) | 257 (77.6) | < 0.001 |
Which one of the following choices is the correct location for chest compressions in CPR? | ||||
 Upper part of the chest | 7 (18.4) | 6 (13.6) | 37 (11.2) | < 0.001 |
 Middle part of the chest | 19 (50.0) | 28 (63.6) | 93 (28.1) | |
 Lower part of the chest †| 12 (31.6) | 10 (22.7) | 31 (9.4) | |
 I do not know | 0 (0.0) | 0 (0.0) | 170 (51.4) | |
What is the ratio of chest compressions to mouth-to-mouth ventilation in CPR? | ||||
 5:1 | 11 (29) | 18 (40.9) | 9 (2.7) | < 0.001 |
 15:2 | 16 (42) | 15 (34.1) | 6 (1.8) | |
 30:2 †| 11 (29) | 11 (25) | 7 (2.1) | |
 I do not know | 0 (0.0%) | 0 (0.0%) | 309 (93.4) | |
What is the rate of chest compressions in CPR? | ||||
 150 per min | 4 (10.5) | 3 (6.8) | 5 (1.5) | < 0.001 |
 100–120 per min †| 11 (28.9) | 12 (27.3) | 12 (3.6) | |
 50 per min | 23 (60.5) | 29 (65.9) | 17 (5.1) | |
 I do not know | 0 (0.0) | 0 (0.0) | 297 (89.7) | |
What is the length of strength that should be given during chest compressions in CPR? | ||||
 A depth of 1–2 cm | 12 (31.6) | 21 (47.7) | 9 (2.7) | < 0.001 |
 A depth of 5–6 cm †| 21 (55.3) | 22 (50.0) | 24 (7.3) | |
 A depth of 6–10 cm | 5 (13.2) | 1 (2.3) | 4 (1.2) | |
 I do not know | 0 (0.0) | 0 (0.0) | 294 (88.8) | |