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Table 3 Poisson regression analysis of patients’ knowledge regarding complementary medicine and associated factors

From: Chronic low back pain patients’ use of, level of knowledge of and perceived benefits of complementary medicine: a cross-sectional study at an academic pain center

Variables

Univariable analysis

Multivariable analysis

IRR (95% CI)

p-value

IRR (95% CI)

p-value

Sex

 Female

1.61 (1.45–1.79)

<0.001

1.57 (1.40–1.75)

<0.001

 Male

1 ref

-

1 ref

-

Age

 21–48

ref

-

ref

-

 49–59

1.23 (1.09–1.39)

0.001

1.19 (1.05–1.35)

0.005

 60–74

0.65 (0.56–0.76)

<0.001

0.67 (0.58–0.78)

<0.001

 75–88

0.72 (0.62–0.85)

<0.001

0.64 (0.55–0.75)

<0.001

Education

 Basic/apprenticeship

ref

-

-

-

 Professional diploma/high school/college

1.06 (0.94–1.20)

0.30

-

-

 University

1.03 (0.90–1.18)

0.65

-

-

Marital status

 Single

ref

-

-

-

 Married/civil partnership

0.97 (0.84–1.13)

0.76

-

-

 Divorced/separated

1.15 (0.98–1.36)

0.07

-

-

 Widower

0.95 (0.74–1.21)

0.68

-

-

Nationality

 Other

ref

-

ref

-

 Swiss

1.37 (1.21–1.55)

<0.001

1.31 (1.15–1.50)

<0.001

Complementary medicine health insurance

 No

ref

-

ref.

-

 Yes

1.19 (1.07–1.32)

0.001

1.12 (1.00–1.25)

0.03

  1. Univariable Poisson regression model and the strength of the association were measured by the IRR (Incidence Rate Ratio) with 95% confidence intervals and their associated p-values