Table 3 Knowledge about e-cigarettes by socio-demographics and prescribing intentions at T1 and T2

Total average knowledge score

n = 252

2.7 (SD = 1.5)

n = 91

3.4 (SD = 1.5)

Gender

Male

Female

n = 88

n = 164

3.1 (SD = 1.6)

2.5 (SD = 1.3)

T(150) = 2.8, p = 0.005

n = 35

n = 56

3.8 (SD = 1.6)

3.1 (SD = 1.4)

T(64) = 2.1, p = 0.039

Years of practice

0–10

11–20

21–30

30+

n = 152

n = 51

n = 27

n = 20

2.7 (1.5)

3.0 (1.4)

2.7 (1.7)

2.9 (1.4)

F = 0.6,

p = 0.601

n = 39

n = 21

n = 14

n = 14

3.4 (1.6)

4.0 (1.3)*

2.4 (1.3)*

3.6 (1.2)

F = 3.5, p = 0.019

Medical degree obtained

Australian graduate

International graduate

n = 200

n = 52

2.9 (1.5)

2.3 (1.3)

T(250) = 2.5, p = 0.006

n = 77

n = 14

3.4 (1.4)

3.2 (2.0)

T(15.4) = 0.3, p = 0.741

Confidence talking to patients about e-cigarettes^

Not at all/somewhat not

Neither/nor

Very/somewhat

n = 124

n = 54

n = 61

2.4 (1.3)

2.8 (1.5)*

3.3 (1.4)*

F = 7.7, p = < 0.001

n = 32

n = 14

n = 42

2.9 (1.4)*

3.1 (1.4)

3.8 (1.5)*

F = 3.6, p = 0.051

I WOULD recommend using e-cigarettes or vaping^

Yes

No

n = 149

n = 103

2.8 (1.5)

2.6 (1.3)

T(250) = 1.350, p = 0.359

n = 61

n = 30

3.6 (1.5)

2.8 (1.3)

T(89) = 2.472, p = 0.038

Have you recommended e-cigarettes to your patients? ^

Yes

No

n = 36

n = 203

3.1 (1.4)

2.7 (1.4)

T(237) = 1.8,

p = 0.290

n = 19

n = 68

4.5 (1.3)

3.0 (1.4)

T(85) = 4.0,

p = < 0.001

Prescriber Pathway^

Registered prescriber

Unsure if will register/prescribe

Won’t prescribe

n = 44

n = 98

n = 97

3.0 (1.5)

2.5 (1.4)

2.9 (1.4)

F = 2.6,

p = 0.752

n = 18

n = 30

n = 38

4.4 (1.1)

3.4 (1.5)

2.9 (1.5)

F = 6.4, p = 0.005