Table 3. Head Injury Experiences of the Vietnamese Ex-Political Detainees by time period (N=337).

During War (1954-1975)			Re-Education			In VN after War or after Re-Education			After Leaving VN
	N	%		N	%		N	%		N	%
Explosion	154	45.7	Beaten on head	56	16.6	Fall for other reason	7	2.1	Hit head against dash	14	4.2
Shrapnel	58	17.2	Near Suffocation	43	12.8	Beaten on head	4	1.2	Fall for other reason	12	3.6
Fall from vehicle	35	10.4	Fall from fatigue	28	8.3	Fall from vehicle	3	0.9	Whiplash*	7	2.1
Fall for other reason	21	6.2	Fall for other reason*	14	4.2	Unexplained fainting, LOC+*	2	0.6	Fall from fatigue	7	2.1
Beaten on head	9	2.7	Fainting, LOC*+	12	3.6	Fall from fatigue	2	0.6	Unexplained fainting, LOC*+	7	2.1
Shot in head	7	2.1	Work accident	12	3.6	Near Suffocation	2	0.6	Beaten on head	3	0.9
Hit head on dash	6	1.8	Explosion	4	1.2				Work accident	3	0.9
Near drowning	5	1.5	Hit on head during escape	2	0.6				Fall from vehicle	2	0.6
Near strangulation	3	0.9	Near strangulation	2	0.6				Near suffocation	2	0.6
Near Suffocation	2	0.6	Near drowning	2	0.6
Also 1 each: Hit by vehicle; whiplash*, fall from fatigue; other head injury			Also 1 each: Fall out of vehicle, hit by vehicle, whiplash*			Also 1 each: Hit head against dash, Other head injury, Drowning.			Also 1 each: Hit by vehicle, Other head injury, Near strangulation

Note: There were reports of 10 events during the period prior to 1954: Falls for other reasons (4); Other head injury (2); Drowning (2); Fall out of vehicle (1), Unexplained fainting or LOC (1).

Note:

^*1-3 missing values not counted in denominator

Note:

⁺Unexplained fainting or LOC was not counted as head injury event in analysis