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Table 4 Associations between GP characteristics and their confidence in diagnosing and managing concussion (n = 66)

From: A cross-sectional study reporting concussion exposure, assessment and management in Western Australian general practice

GP characteristics Confident in diagnosing p-value# Confident in managing p-value#
No (n = 12) Yes (n = 54) No (n = 24) Yes (n = 42)
Hours worked at GP, mean ± standard deviation 34.1 ± 8.8 31.5 ± 10.3 0.42 29.7 ± 7.6 33.2 ± 11.1 0.17
Age groups (years old), n (%)    0.86    
-  ≤ 45 7 (58.3) 30 (55.6)   18 (75.0) 19 (45.2) 0.019
-  > 45 5 (41.7) 24 (44.4)   6 (25.0) 23 (54.8)  
Location of GP practice, n (%)    0.99^    0.70
- Regional 3 (25.0) 12 (23.1)   5 (20.8) 10 (25.0)  
- Metropolitan 9 (75.0) 40 (76.9)   19 (79.2) 30 (75.0)  
Concussion diagnoses made/year, n (%)    0.021^    0.020
-  < 5 11 (91.7) 29 (53.7)   19 (79.2) 21 (50.0)  
-  ≥ 5 1 (8.3) 25 (46.3)   5 (20.8) 21 (50.0)  
Work outside sessional load, n (%)    0.31^    0.15
- No 10 (83.3) 35 (64.8)   19 (79.2) 26 (61.9)  
- Yes 2 (16.7) 19 (35.2)   5 (20.8) 16 (38.1)  
Ever heard of guidelines, n (%)    0.029^    0.081
- No 7 (58.3) 12 (22.2)   10 (41.7) 9 (21.4)  
- Yes 5 (41.7) 42 (77.8)   14 (58.3) 33 (78.6)  
Have a protocol for coding, n (%)    0.74^    0.38
- No 7 (63.6) 37 (68.5)   14 (60.9) 30 (71.4)  
- Yes 4 (36.4) 17 (31.5)   9 (39.2) 12 (28.6)  
  1. # Difference in mean hours worked between GPs who were confident in diagnosing concussion was assessed using independent-samples t-test. Associations between categorical demographic variables and confidence in diagnosing concussion were assessed using Chi-squared tests (or Fisher’s exact tests^ due to low number of expected frequencies). The same statistical approach was applied for confidence in managing concussion