TABLE 4—

Effect of Type of Disability on Medically Attended Injuries During the 3 Months Before Interview Among US Children: National Health Interview Survey, 1997–2005

Type of Disability	PR (95% CI)	P
No disability (Ref)	1.00
All single disabilities	1.30 (1.15, 1.48)	< .001
Epilepsy/seizures only	1.90 (0.75, 4.81)	.17
Hearing problem only	1.78 (0.95, 3.33)	.07
Other impairment only	1.57 (0.97, 2.53)	.07
Bone/joint/muscle problem only	1.52 (0.75, 3.09)	.24
Other emotional/behavioral problem only	1.50 (1.15, 1.97)	< .01
Asthma/breathing problem only	1.38 (0.94, 2.03)	.10
Vision problem only	1.36 (0.59, 3.13)	.47
ADD/ADHD only	1.36 (0.93, 1.98)	.11
Speech problem only	1.30 (0.96, 1.77)	.09
Other developmental problem only	1.15 (0.82, 1.62)	.41
Learning disability only	1.09 (0.78, 1.53)	.61
Birth defect only	1.08 (0.47, 2.46)	.86
Mental retardation only	0.61 (0.19, 1.93)	.40
Injury-related disability only	0.27 (0.04, 1.94)	.19

Note. PR = prevalence ratio; CI = confidence interval; ADD = attention deficit disorder; ADHD = attention deficit hyperactivity disorder. PRs were calculated for each type of disability versus no disability and were controlled for gender, age, parent’s education, poverty status, and family size.