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Table 2 Multilevel logistic models for the effect of consultation year on suicide exploration

From: Nudging General Practitioners to explore suicidal thoughts among depressed patients

 

Model 1

Model 2

Predictors

Odds Ratios

CI

p

Odds Ratios

CI

p

(Intercept)

2.33

1.48–3.66

< 0.001

12.72

5.72–28.27

< 0.001

Consultation year: 2018 (Ref = 2017)

1.48

1.01–2.16

0.045

1.33

0.90–1.97

0.158

Patients’ gender: Female (Ref = Male)

   

0.64

0.43–0.98

0.027

Patients’ age

   

0.97

0.96–0.98

< 0.001

Random Effects for general practice

Within-group (residual) variance1

3.29

3.29

Between-group variance

1.06

1.13

ICC

0.24

0.26

N

35

35

Observations

624

624

Marginal R2 / Conditional R2

0.009 / 0.250

0.070 / 0.308

  1. CI = Confidence Interval, ICC = Intraclass Correlation Coefficient
  2. 1 The within-group (residual) variance in logistic regression is equal to π2/3