Table 1 Baseline characteristics by dental general anaesthetic (DGA) status

From: Ten years on: Is dental general anaesthesia in childhood a risk factor for caries and anxiety?

  All DGA No DGA P-value
Mean (SD) Age (years) 17.7 (0.4) 17.7 (0.4) 17.7 (0.4) 0.317
N (%) Female 1,021 (60.2) 81 (63.3) 940 (60.0) 0.464
N (%) Mothers highest educational level     <0.001
CSE 136 (8.0) 24 (18.8) 112 (7.2)  
Vocational 114 (6.7) 13 (10.2) 101 (6.5)  
O level 545 (32.2) 46 (35.9) 499 (31.8)  
A level 497 (29.3) 26 (20.3) 471 (30.0)  
Degree 403 (23.8) 19 (14.8) 384 (24.5)  
Decayed/filled teeth at 7 years     <0.001
0 1,116 (65.8) 54 (42.2) 1,062 (67.7)  
1 - 3 439 (25.9) 54 (42.2) 385 (24.6)  
4 - 6 81 (4.8) 10 (7.8) 71 (4.5)  
7+ 59 (3.5) 10 (7.8) 49 (3.1)  
N (%) Dentally anxious 130 (7.7) 26 (20.3) 104 (6.6) <0.001
N(%) 1,695 (100) 128 (7.6) 1,567 (92.4)  
CSE – certificate of secondary education, DGA – Dental general anaesthetic, N – number, SD – standard deviation