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Table 10 Ecological analysis of worker compensation injury risk among BC Aboriginal communities, 1999–2008, Regression [1] statistics from the best-fitting model with multiple independent (X) variables

From: Worker compensation injuries among the Aboriginal population of British Columbia, Canada: incidence, annual trends, and ecological analysis of risk markers, 1987–2010

X Variable

units

min

max

mean [2]

SD [2]

N

B

SE

P

RR Ratio per SD [2]

L95CL

U95CL

(Constant)

     

147

0.285

0.282

0.313

   

PopPerRoom

1

0.30

1.11

0.53

0.11

147

−1.878

0.528

0.001

0.811

0.722

0.911

Aboriginal

1%

5.7

100.0

84.7

23.2

147

−0.007

0.002

0.000

0.847

0.777

0.923

IncomeScore_Employed

1

5.5

82.7

27.7

10.4

147

−0.048

0.012

0.000

0.606

0.472

0.777

OccupationRisk_Employed

RR

0.00

1.34

0.52

0.19

147

1.801

0.369

0.000

1.407

1.225

1.615

UniversityDegree_Employed

1%

0.0

26.3

2.0

3.5

147

0.050

0.014

0.001

1.189

1.077

1.313

Census_Employed

1 year

154

1550

947.2

220.4

147

0.002

0.000

0.002

1.395

1.133

1.717

  1. Notes:
  2. Multivariable model statistics: R2 = 0.325, F = 11.232, p = 0.000
  3. 1. The dependent (Y) variable is Ln (SRR of worker compensation injury, total of all injuries), and regression is weighted by person-years.
  4. 2. Unweighted mean and standard deviation.