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Table 2 Pearson chi-square results for the knowledge and awareness of SARS-CoV-2 and COVID-19 by profession

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

Variable Dental profession p
Dental student Dental intern Dental assistant Dental hygienist Postgraduate resident General dentist Specialist consultant Total
Q1: Incubation period of SARS-CoV-2?
1–7 days 3 (1.5%) 2 (2.6%) 4 (2.6%) 1 (2.8%) 4 (4.4%) 4 (2.2%) 9 (3.3%) 27  
1–14 days 184 (93.4%) 71 (93.4%) 139 (89.1%) 35 (97.2%) 84 (91.2%) 165 (91.7%) 245 (90.4%) 923 0.866
1–21 days 7 (3.6%) 3 (4.0%) 12 (7.7%) 0 (0%) 4 (4.4%) 10 (5.6%) 15 (5.6% 51  
Do not know 3 (1.5%) 0 (0%) 1 (0.6%) 0 (0%) 0 (0%) 1 (0.5%) 2 (0.7%) 7  
Total 197 (100%) 76 (100%) 156 (100%) 36 (100%) 92 (100%) 180 (100%) 271 (100%) 1008  
Q2: Survival of SARS-CoV-2 outside the host?
Couple of hours 108 (54.8%) 48 (63.2%) 78 (50%) 22 (61.1%) 42 (45.6%) 83 (46.1%) 115 (42.4%) 496  
Couple of days 52 (26.4%) 18 (23.7%) 40 (25.6%) 11 (30.5%) 39 (42.4%) 69 (38.3%) 131 (48.3%) 360 0.000 **
Couple of weeks 10 (5.1%) 3 (3.9%) 28 (18%) 1 (2.8%) 7 (7.6%) 10 (0.6%) 12 (4.5%) 71  
Do not know 27 (13.7%) 7 (9.2%) 10 (6.4%) 2 (5.6%) 4 (4.4%) 18 (10%) 13 (4.8%) 81  
Total 197 (100%) 76 (100%) 156 (100%) 36 (100%) 92 (100%) 180 (100%) 271 (100%) 1008  
Q3: Recommended hand-soap cleaning time to prevent SARS-CoV-2-infection?
Approximately 20 s 35 (17.8%) 15 (19.7%) 60 (38.5%) 5 (13.9%) 19 (20.7%) 45 (24.8%) 98 (36.3%) 277  
Approximately 40 s 118 (60.3%) 44 (57.9%) 39 (25.0%) 25 (69.4%) 63 (68.4%) 121 (66.9%) 151 (55.9%) 561  
Approximately 60 s 38 (19.3%) 16 (21.1%) 56 (35.9%) 4 (11.1%) 6 (6.5%) 14 (7.7%) 18 (6.7%) 152 0.000**
Do not know 5 (2.6%) 1 (1.3%) 1 (0.6%) 2 (5.6%) 4 (4.4%) 1 (0.6%) 3 (1.1%) 17  
Total 196 (100%) 76 (100%) 156 (100%) 36 (100%) 92 (100%) 181 (100%) 270 (100%) 1007  
Q4: Willingness to treat a suspected COVID-19 patient?
Yes 52 (26.4%) 15 (19.7%) 44 (28.8%) 14 (38.9%) 16 (17.4%) 48 (26.7%) 62 (23%) 251  
No 145 (73.6%) 61 (80.3%) 109 (71.2%) 22 (61.1%) 76 (82.6%) 132 (73.3%) 208 (77%) 753 0.129
Total 197 (100%) 76 (100%) 153 (100%) 36 (100%) 92 (100%) 180 (100%) 270 (100%) 1004  
  1. All tests were performed at a significance level of α = 0.05
  2. *Significant at p < 0.05
  3. **Significant at p < 0.001