| Predisposing factor |
Subgroup |
n |
Mean (SD) age |
Male/Female |
| Health |
|
59 (47%) |
50 (12) |
47/12 |
| Significant medical history |
46 |
| Fatigue |
7 |
| Drug / medication intake |
4 |
| Obesity |
2 |
| Organisational/training/experience/skills |
|
46 (37%) |
39 (13) |
32/14 |
| Inexperienced overall |
30 |
| Poor organisation |
6 |
| Lack of training / skills for dive |
5 |
| Lack of recent experience |
5 |
| Planning Poor pre-dive choice of: |
|
29 (23%) |
40 (12) |
24/5 |
| Conditions |
15 |
| Solo diving in poor conditions |
6 |
| Location |
4 |
| Other |
4 |
| Absence of appropriate equipment or use of faulty equipment |
|
24 (19%) |
41 (12) |
19/5 |
| Faults |
9 |
| Absence* |
9 |
| Over-weighting |
4 |
| Other |
2 |
| Activity |
|
14 (11%) |
41 (12) |
13/1 |
| Penetration |
6 |
| Deep diving with CCR |
3 |
| Seafood collection |
3 |
| Other |
2 |
| Supervision Poor supervision by: |
|
14 (11%) |
37 (12) |
7/7 |
| Buddy |
8 |
| Instructor |
5 |
| Divemaster / guide |
1 |
| Communication Poor communication or co-ordination between: |
|
3 (2%) |
37 (8) |
2/1 |
| Instructor and student |
1 |
| Diver and others |
1 |
| Dive shop and instructor |
1 |
