Predictors of increasing injury severity across suspected recurrent episodes of non-accidental trauma: a retrospective cohort study

Table 4 Multivariable Cox model for recurrent suspected nat with escalating severity of injury

Entire Cohort
Variable	HR	(95 % CI)		P
Lives in rural area^a	1.69	1.02	2.78	0.04
Open wound injury	2.12	1.24	3.62	0.01
Superficial injury	2.28	1.31	3.98	0.004
Number of injuries
0–1	ref			<.0001
2–3	0.40	0.24	0.67
4+	0.11	0.04	0.31
Continuously enrolled children only
Lives in rural area^a	2.01	1.03	3.91	0.04
Fracture	0.23	0.07	0.76	0.02
Open wound injury	2.30	1.14	4.66	0.02

^aLiving in a rural area was based on the child’s zip code at their first event. All other predictor variables in these models were the values of the independent variables at the previous event

ISSN: 1471-2431