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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Ann Epidemiol. 2013 Nov 1;24(1):23–28. doi: 10.1016/j.annepidem.2013.10.015

Table 4.

Multivariable logistic regression results of type and severity of disability on nonfatal injuries among children with disability, in Hubei Province, The People's Republic of China, 2011

Sample n Injured n (%) Univariate model
OR 95% CIa
Multivariable model
OR 95% CIb
No disability (reference) 1201 53(4.4) 1.00 1.00
Any disability Type of disability 1201 123(10.2) 2.47(1.77, 3.45) 3.40 (2.32, 4.98)
Any single disability 738 71(9.6) 2.31(1.60,3.33) 3.05 (2.03, 4.56)
  Vision 79 6(7.6) 1.78(0.74,4.28) 2.00(0.81,4.91)
  Hearing 53 5(9.4) 2.26(0.86,5.90) 2.32(0.88,6.14)
  Speech 138 16(11.6) 2.84(1.58,5.12) 2.83(1.54,5.20)
  Other physical disabilities 250 21(8.4) 1.99(1.18,3.36) 2.12(1.22,3.68)
  Mental retardation 139 14(10.1) 2.43(1.31,4.50) 2.36(1.26,4.43)
  Mental health disorder 79 9(11.4) 2.78(1.32,5.88) 2.66(1.25,5.67)
Multiple disabilities 463 52(11.2) 2.74(1.84,4.08) 4.54(2.82,7.30)
Severity level of disability
Level 1 (Most severe) 308 25(8.1) 1.91(1.17,3.13) 3.39(1.90,6.04)
Level 2 278 32(11.5) 2.82(1.78,4.46) 4.37(2.58,7.40)
Level 3 269 28(10.4) 2.52(1.56,4.06) 3.26(1.94,5.46)
Level 4 243 25(10.3) 2.48(1.51,4.08) 3.14(1.84,5.34)
Total 1098 110 (10.0) 2.41(1.72,3.38) 3.47(2.32,5.80)

OR=odds ratio; CI=confidence interval.

a

ORs were calculated for each type and severity level of disability versus no disability using univariate logistic regression.

b

ORs were calculated for each type and severity level of disability versus no disability using multivariable logistic regression and controlling for gender, age, parent’s education, family income per month, number of family members, daily adult car supervision, and single-parent family status.