Table 5 Multinomial Logistic Regression for nTBI and Predisposing, Need and Enabling Characteristics

Predisposing Factors

Sex

Male

1.00

1.00

Female

0.95 (0.87-1.04)

1.07 (1.02-1.13)

Age

< 18

0.03 (0.01-0.06)

0.46 (0.39-0.54)

18-24

0.69 (0.47-1.01)

0.68 (0.54-0.85)

25-34

0.58 (0.41-0.80)

0.76 (0.64-0.91)

35-44

1.00

1.00

45-54

1.07 (0.86-1.34)

1.27 (1.12-1.43)

55-64

1.30 (1.05-1.59)

1.70(1.51-1.92)

65-74

1.68 (1.38-2.04)

2.79 (2.49-3.12)

75+

2.21 (1.83-2.68)

6.22 (5.58-6.94)

Need Factors

Charlson Comorbidity Index

0-1

1.00

1.00

2-3

0.93 (0.84-1.03)

1.29 (1.21-1.37)

≥ 4

0.43 (0.38-0.49)

1.71 (1.61-1.82)

Length of Stay (Percentile)

< 25^th

1.00

1.00

25-50^th

3.16 (2.50-4.00)

0.55 (0.51-0.59)

50-75^th

7.80 (6.26-9.73)

0.68 (0.64-0.73)

75-90^th

16.18 (12.89-20.30)

1.17 (1.08-1.27)

90^th+

23.07 (18.12-29.37)

1.92 (1.73-2.12)

Special Care Days

None

1.00

1.00

1-2

1.30 (1.13-1.50)

1.19 (1.10-1.28)

3-5

1.71 (1.46-2.00)

2.24 (2.05-2.46)

6-11

2.20 (1.84-2.63)

3.63 (3.25-4.11)

12+

3.02 (2.51-3.63)

4.10 (3.58-4.69)

Enabling Factors

Rural

No

1.00

1.00

Yes

0.78 (0.68-0.88)

1.07 (1.00-1.14)