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Table 2 Responses to “Knowledge” questions (n = 82; 5 closed-ended and 1 open-ended). Responses for the open-ended question were assigned as “correct” or “incorrect” time values

From: Public knowledge, attitudes and practices of vehicle submersion incidents: a pilot study

Questionnaire Item Sample
n (%)
Aware Group
n (%)
Aware vs. Unaware
p-value
Knowledge of media report(s) involving vehicle submersion    0.002*
 Yes 71 (87) 35 (100)  
 No 11 (13) 0 (0)  
Personal knowledge involving a vehicle submersion incident    0.50
 Yes 10 (12) 3 (9)  
 No 72 (88) 32 (81)  
Knowledge of the advised self-rescue protocol    0.01*
 Yes 5 (6) 5 (14)  
 No 77 (94) 30 (86)  
If a vehicle enters water intact and right-side-up, will it float right-side-up?    0.25
 Yes (correct response) 63 (77) 25 (71)  
 No (incorrect response) 19 (23) 10 (29)  
If a vehicle that enters the water intact and upside-down, will it right itself?    0.80
 Yes (correct response) 21 (26) 8 (23)  
 No (incorrect response) 61 (74) 27 (77)  
How long does it take for a sinking vehicle to become completely submerged?    0.45
 2-4 minutes (correct response) 23 (28) 7 (20)  
 Any other time value (incorrect response) 59 (72) 28 (80)  
  1. *significant difference (p ≤ 0.05)