Table 1.

Characteristics of reviewed studies by injury outcome.

		All studies (n = 119)		Non-fatal (n = 77)		Fatal (n = 31)		Both fatal and non-fatal (n = 11)
		n	%	n	%	n	%	n	%
Study type	Ecological	34	28.6%	16	20.8%	13	41.9%	5	14.7%
	Individual-Level	85	71.4%	61	79.2%	18	58.1%	6	7.1%
Intent	All Intents	37	31.1%	27	35.1%	4	12.9%	6	16.2%
	Intentional	31	26.1%	6	7.8%	23	74.2%	2	6.5%
	Unintentional	51	42.9%	44	57.1%	4	12.9%	3	5.9%
Age group	Infants	2	1.7%	0	0.0%	2	6.5%	0	0.0%
	Children	44	37.0%	32	41.6%	5	16.1%	7	15.9%
	Adolescents	6	5.0%	5	6.5%	0	0.0%	1	16.7%
	Adults	50	42.0%	30	39.0%	19	61.3%	1	2.0%
	Multiple Groups/All Ages	17	14.3%	10	13.0%	5	16.1%	2	11.8%
Study design	Cross-sectional	86	72.3%	54	70.1%	22	71.0%	10	11.6%
	Cohort	20	16.8%	15	19.5%	4	12.9%	1	5.0%
	Case-control	13	10.9%	8	10.4%	5	16.1%	0	0.0%
Measures of SES	Single	49	41.2%	32	41.6%	11	35.5%	6	12.2%
	Multiple	70	58.8%	45	58.4%	20	64.5%	5	7.1%
SES measure	Dichotomous	46	38.7%	27	35.1%	15	48.4%	4	8.7%
	Gradient (3 + categories)	73	61.3%	50	64.9%	16	51.6%	7	9.6%
Relationship between SES variable(s) and injury outcome	Positive (higher SES = increased injury)	8	6.7%	8	10.4%	0	0.0%	0	0.0%
	Inverse (higher SES = lower injury)	78	65.5%	45	58.4%	24	77.4%	9	11.5%
	Mixed (inverse relationship for some groups)	14	11.8%	9	11.7%	5	16.1%	0	0.0%
	Non-significant	19	16.0%	15	19.5%	2	6.5%	2	10.5%