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Table 8 Regression estimates for the GPs interviewed at follow-up (T2, N = 94)

From: Australian general practitioners’ knowledge, attitudes and prescribing intentions for e-cigarettes as a smoking cessation aid: a nationwide baseline and 12-month follow up survey

Variables

In the past 12 months have you recommended e-cigs to your patients for smoking cessation? (T2, N = 88)

Would you recommend electronic cigarettes to smokers who failed to quit with other methods? (T2, N = 87)

 

Univariate OR 95% CI; p value

Multivariate aOR* 95% CI; p value

Univariate OR 95% CI; p value

Multivariate aOR* 95% CI; p value

Years of practice

    

< 10 years (n = 42)

1.78 (0.48, 6.53);0.382

7.37 (0.56, 96.67);0.128

4.19(1.31, 11.90);0.016

18.38(1.21, 91.09);0.019

10–20 years (n = 21)

2.29 (0.55, 9.53);0.251

5.54 (0.69, 44.39); 0.107

3.81(1.04, 13.98); 0.043

8.68(1.37, 40.15);0.018

Reference:>20years (n = 28)

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Medical degree obtained

    

International (n = 15)

1.63(0.44, 6.04);0.457

0.92 (0.26, 3.78);0.915

1.33(0.40, 3.55);0.637

1.05(0.25, 3.10);0.928

Reference: Australia (n = 79)

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Knowledge

Total Knowledge Score

High (n = 63)

Reference: Low (n = 28)

10.46(1.31,83.19);0.026

10.88(1.29,91.51);0.026

2.51(1.08, 5.80);0.032

2.41(1.03, 5.61);0.042

E-cigs can help patients quit smoking

    

strongly/somewhat disagree (n = 27)

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0.18(0.01, 1.89);0.163

0.20(0.07, 2.01);0.185

strongly/somewhat agree (n = 46)

12.15 (1.47, 99.91);0.020

8.32 (0.92, 75.27);0.059

11.12(2.39, 38.75);<0.001

13.55(2.48,53.18);0.001

Reference: neither/nor (n = 17)

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Ability to talk to patients about e-cigs

    

Not at all/somewhat not confident (n = 32)

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1.4(0.24, 7.92);0.704

0.99(0.21, 7.34); 0.993

Very/somewhat confident (n = 43)

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7.64 (1.48, 39.28); 0.015

8.59(1.97, 48.78);0.015

Reference: neither/nor (n = 14)

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Colleagues influence on prescribing e-cigs

    

Unlikely (n = 30)

0.28(0.05, 1.41);0.123

0.30(0.53, 19.43);0.199

0.58(0.13, 2.60);0.408

0.72(0.13, 3.05);0.690

Likely (n = 49)

0.58(1.42, 2.34);0.448

0.56(0.12, 7.98); 0.464

1.75(0.45, 6.76);0.417

1.72(0.43, 6.81);0.435

Reference: Neutral (n = 11)

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  1. Note: OR = Odds Ratio; aOR = adjusted OR; 95% CI = 95% Confidence intervals; *model adjusted for the age and sex; TKS = Total Knowledge Score; TKS grouped as high if the score is above median average (> 3) and score less than or equal to 3 considered as having low TKS