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Table 1 Poisson multiple regression analysis of the association of sociodemographic variables with 25-hydroxyvitamin D testing rate

From: Sociodemographic correlates of 25-hydroxyvitamin D test utilization in Calgary, Alberta

Variable

Relative risk

RR 95% confidence limits

Chi-square

P-value

Non-English speaking

1.0266

0.5089

2.0708

0.01

0.9415

Recent immigrant (less than 5 years)

0.6959

0.5162

0.9382

5.66

0.0174

Aboriginal status

1.2928

0.8429

1.9828

1.39

0.2392

At least some university education

0.6039

0.5028

0.7252

29.15

<.0001

Visible minority status

2.2488

1.8993

2.6627

88.39

<.0001

Median household income

1.0229

1.0169

1.0289

57.13

<.0001

Sex = F

1.7169

1.6889

1.7454

4137.6

<.0001

Sex = M

1.0000

reference

reference

reference

reference

Age = 0-20

0.1759

0.1682

0.1839

5869.1

<.0001

Age = 21-45

0.4459

0.4311

0.4612

2202.1

<.0001

Age = 46-65

0.7678

0.748

0.7882

391.91

<.0001

Age = 66+

1.0000

reference

reference

reference

reference

  1. Generalized estimating equations were used because of the hierarchical nature of the data.