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Table 3 Pearson chi-square results for the knowledge and awareness of SARS-CoV-2 and COVID-19 by work settings and sectors

From: Knowledge of dentists, dental auxiliaries, and students regarding the COVID-19 pandemic in Saudi Arabia: a cross-sectional survey

Variable Work setting p Work sector p
  Hospital Nonhospital Total   Academia Government Private Total  
Q1: Incubation period of SARS-CoV-2?
1–7 days 18 (2.8%) 9 (2.4%) 27   8 (2.4%) 10 (2.2%) 9 (4.1%) 27  
1–14 days 582 (91.0%) 342 (92.7%) 924 0.587 309 (92.0%) 418 (92.7%) 193 (88.5%) 920 0.648
1–21 days 34 (5.3%) 17(4.6%) 51   16 (4.7%) 21 (4.7%) 14 (6.4%) 51  
Do not know 6 (0.9%) 1(0.3%) 7   3 (0.9%) 2 (0.4%) 2 (1.0%) 7  
Total 640 (100%) 369 (100%) 1009   336 (100%) 451 (100%) 218 (100%) 1005  
Q2: Survival of SARS-CoV-2 outside the host?
Couple of hours 323 (50.5%) 173 (46.9%) 496 0.146 163 (48.5%) 222 (49.3%) 111 (50.7%) 496  
Couple of days 213 (33.3%) 147 (39.8%) 360   133 (39.6%) 157 (34.9%) 67 (30.6%) 357 0.083
Couple of weeks 46 (7.2%) 25 (6.8%) 71   15 (4.5%) 39 (8.7%) 17 (7.8%) 71  
Do not know 58 (9.0%) 24 (6.5%) 82   25 (7.4%) 32 (7.1%) 24 (10.9%) 81  
Total 640 (100%) 369 (100%) 1009   336 (100%) 450 (100%) 219 (100%) 1005  
Q3: Recommended hand-soap cleaning time to prevent SARS-CoV-2 infection?
Approximately 20 s 163 (25.5%) 113 (30.5%) 276   95 (28.4%) 124 (27.5%) 56 (25.6%) 275  
Approximately 40 s 359 (56.2%) 201 (54.3%) 560 0.244 179 (53.6%) 251 (55.7%) 128 (58.4%) 558 0.060
Approximately 60 s 106 (16.6%) 49 (13.2%) 155   48 (14.4%) 73 (16.2%) 33 (15.1%) 154  
Do not know 10 (2.7%) 7 (2.0%) 17   12 (3.6%) 3 (0.6%) 2 (0.9%) 17  
Total 638 (100%) 370 (100%) 1008   334 (100%) 451 (100%) 219 (100%) 1004  
Q4: Willingness to treat a suspected COVID-19 patient?
Yes 164 (25.7%) 87 (23.7%) 251 0.489 90 (26.9%) 113 (25.1%) 47 (21.6%) 250  
No 475 (74.3%) 280 (76.3%) 755   244 (73.1%) 337 (74.9%) 171 (78.4%) 752 0.358
Total 639 (100%) 367 (100%) 1006   334 (100%) 450 (100%) 218 (100%) 1002