Table 2.

Association between high trauma scores and patient status across levels of childhood urbanicity

	Odds ratio	95 % CI	p
Urbanicity 1	2.76	1.71–4.46	<0.001
Urbanicity 2	4.12	2.27–7.45	<0.001
Urbanicity 3	5.61	2.78–11.33	<0.001
Urbanicity 4	5.66	2.87–11.16	<0.001

The trauma variables were dichotomized a priori into high trauma and low trauma. The cutoff was defined as the 80th percentile of scores for the healthy comparison subjects

Four levels of urbanicity/population density 1 = <500 inhabitants/km²; 2 = 500–1000 inhabitants/km²; 3 = inhabitants 1000–2500/km²; 4 = 2500+/km

CI confidence interval