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Table 4 Factors associated with clinically significant dog bite injuries

From: Pediatric patients with dog bites presenting to US children’s hospitals

Variable Not clinically significant (N = 52,331) Clinically significant (N = 16,502) Univariable odds of clinically significant injury Multivariable odds of clinically significant injury aOR (95% CI)
N (%) N (%) OR (95% CI) p aOR (95% CI) p
Age       
 0–4 years 17,626 (33.7) 8536 (51.7) 3.68 (3.35–4.05) < 0.001 3.21 (2.92–3.54) < 0.001
 5–9 years 18,495 (35.3) 5224 (31.7) 2.16 (1.96–2.38) < 0.001 2.03 (1.85–2.24) < 0.001
 10–14 years 12,235 (23.4) 2210 (13.4) 1.36 (1.23–1.51) < 0.001 1.32 (1.19–1.46) < 0.001
 15–18 years 3975 (7.6) 532 (3.2) Ref. Ref.
Male sex 29,350 (56.1) 8845 (53.6) 0.91 (0.88–0.95) < 0.001 0.96 (0.93–1.00) 0.048
Race       
 White 33,306 (63.6) 12,480 (75.6) Ref. Ref.
 Black 10,439 (19.9) 2095 (12.7) 0.48 (0.46–0.51) < 0.001 0.49 (0.46–0.52) < 0.001
 Other 8586 (16.4) 1927 (11.7) 0.60 (0.57–0.64) < 0.001 0.73 (0.68–0.77) < 0.001
Hispanic or Latino 15,817 (30.2) 3354 (20.3) 0.54 (0.51–0.56) < 0.001 0.51 (0.48–0.54) < 0.001
Payor type       
 Public 28,045 (53.6) 8604 (52.1) Ref. Ref.
 Private 19,121 (36.5) 6342 (38.4) 1.09 (1.05–1.14) < 0.001 0.80 (0.77–0.84) < 0.001
 Other/unknown 5165 (9.9) 1556 (9.4) 0.87 (0.82–0.93) < 0.001 0.80 (0.75–0.86) < 0.001
Weekday encounter 33,926 (64.8) 10,889 (66.0) 1.05 (1.01–1.09) 0.011 1.06 (1.02–1.10) 0.002
Season       
 Winter 11,375 (21.7) 3662 (22.2) Ref. Ref.
 Spring 15,297 (29.2) 4706 (28.5) 0.93 (0.85–1.01) 0.212 0.99 (0.94–1.04) 0.698
 Summer 14,281 (27.3) 4376 (26.5) 0.96 (0.88–1.04) 0.290 0.98 (0.93–1.04) 0.558
 Fall 11,378 (21.7) 3758 (22.8) 1.00 (0.92–1.10) 0.279 1.01 (0.96–1.07) 0.663
Median household income, quartile       
 First 13,712 (26.2) 3543 (21.5) Ref. Ref.
 Second 12,828 (24.5) 4410 (26.7) 1.36 (1.29–1.43) < 0.001 1.14 (1.08–1.21) < 0.001
 Third 12,846 (24.5) 4334 (26.3) 1.46 (1.39–1.55) < 0.001 1.15 (1.09–1.22) < 0.001
 Fourth 12,945 (24.7) 4215 (25.5) 1.41 (1.34–1.50) < 0.001 1.01 (0.95–1.07) 0.856
  1. OR odds ratio, aOR adjusted odds ratio, CI confidence interval