Table 2. Descriptive statistics of preparedness measures for super typhoon Saola and the 2023 Extreme Rainfall Event

Measure taken Super typhoon Saola 2023 Extreme Rainfall Event McNemar’s test[1] / Wilcoxon Signed-Rank test[2]
NoN (%) YesN (%) NAN (%) NoN (%) YesN (%) NAN (%)
1) Buying more food 131(26.1) 359(71.5) 12(2.4) 241(48.0) 247(49.2) 14(2.8) p<0.001
2) Reducing going out 27(5.4) 465(92.6) 10(2.0) 53(10.6) 443(88.2) 6(1.2) p<0.001
3) Checking doors and windows 29(5.8) 461(91.8) 12(2.4) 70(13.9) 419(83.5) 13(2.6) p<0.001
4) Checking up-to-date official weather updates 7(1.4) 486(96.8) 9(1.8) 22(4.4) 475(94.6) 5(1.0) p<0.001
5) Securing outdoor objects 101(20.1) 263(52.4) 138(27.5) 124(24.7) 226(45.0) 152(30.3) p<0.001
6) Ensuring all drainage outlets are clear 170(33.9) 224(44.6) 108(21.5) 158(31.5) 222(44.2) 122(24.3) p=0.312
7) Living in risk areas (e.g., low-lying/sloping areas, seaside places) and being prepared to evacuate 67(13.3) 97(19.3) 338(67.3) 74(14.7) 90(17.9) 338(67.3) p=0.607
8) Monitoring storm surge and slopes for hazards, especially for those who live in low-lying/sloping areas 55(11.0) 114(22.7) 333(66.3) 66(13.1) 105(20.9) 331(65.9) p=0.189
9) Relocating vehicles from underground parking lots 63(12.5) 94(18.7) 345(68.7) 81(16.1) 79(15.7) 342(68.1) p<0.05
10) Being aware of notifications from one’s employers/schools 17(3.4) 461(91.8) 24(4.8) 29(5.8) 444(88.4) 29(5.8) p<0.05
Disaster preparedness (0–1) Mean preparedness score=0.68(SD=0.18) Mean preparedness score=0.65(SD=0.22) p<0.05
McNemar’s test was performed for the binary variables of individual measures taken; the Wilcoxon signed-rank test was performed for the continuous measurement of disaster preparedness (0–1).