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Table 2 Multiple linear regression analyses of practice scores for general practitioners

From: Knowledge, attitude, and practice of chronic insomnia management among general practitioners in China: a cross-sectional survey

Variable

Univariate analysis

Multiple linear regression*

β

95% CI

P Value

β

95% CI

P Value

Knowledge scores

0.005

(-0.263–0.273)

0.970

-0.158

(-0.418–0.103)

0.235

Attitude scores

0.253

(0.131–0.375)

< 0.001

0.238

(0.118–0.359)

< 0.001

Workplace

      

Community health service center

Reference

  

Reference

  

Secondary hospital

0.822

(-1.010–2.654)

0.378

1.249

(-0.521–3.020)

0.166

Tertiary hospital

2.726

(1.195–4.256)

0.001

2.811

(1.272–4.350)

< 0.001

Insomnia training experience

      

No

Reference

  

Reference

  

Yes

3.468

(2.195–4.741)

< 0.001

3.318

(2.047–4.590)

< 0.001

Age (years)

      

≤ 30

Reference

  

Reference

  

31–40

0.409

(-1.315–2.133)

0.641

1.232

(-0.679–3.144)

0.206

41–50

0.899

(-0.872–2.670)

0.319

2.382

(0.284–4.479)

0.026

≥ 51

1.207

(-1.296–3.710)

0.344

2.408

(-0.301–5.117)

0.081

Sex

      

Female

Reference

  

Reference

  

Male

-0.168

(-1.557–1.220)

0.812

0.069

(-1.285–1.424)

0.920

Title

      

Primary title

Reference

  

Reference

  

Intermediate title

-0.229

(-1.747–1.290)

0.767

-1.055

(-2.779–0.669)

0.230

Senior title

0.200

(-1.599–1.999)

0.827

-2.172

(-4.362–0.018)

0.052

  1. Notes: β: Unstandardized regression coefficient. 95%CI: 95% confidence interval. Multiple linear regression*: adjusted for: age, sex, title, and workplace. F for model: 5.712; p < 0.01. Adjusted R2: 0.11