Table 5 Behavioural control and prescribing intentions of e-cigarettes at T1 and T2

Confidence with

Level of knowledge about e-cigarettes^#+

Not at all/somewhat not

Neither/nor

Very/somewhat

n = 6 (17.6%)

n = 6 (17.6%)

n = 22 (64.7%)

n = 112 (54.1%)

n = 54 (26.1%)

n = 41 (19.8%)

χ² = 31.285 df = 2

p = < 0.001

n = 2 (10.0%)

n = 1 (5.0%)

n = 17 (85.0%)

n = 25 (36.8%)

n = 15 (22.1%)

n = 28 (41.2%)

χ² = 11.886 df = 2

p = 0.003

Ability to answer questions from patients about e-cigarettes^{^+}

Not at all/somewhat not

Neither/nor

Very/somewhat

n = 4 (11.8%)

n = 9 (26.5%)

n = 21 (61.8%)

n = 114 (55.3%)

n = 48 (23.3%)

n = 44 (21.4%)

χ² = 28.986 df = 2

p = < 0.001

n = 2 (10.0%)

n = 2 (10.0%)

n = 16 (80.0%)

n = 27 (39.7%)

n = 13 (19.1%)

n = 28 (41.2%)

χ² = 9.551 df = 2

p = 0.008

Ability to talk to patients about e-cigarettes*⁺

Not at all/somewhat not

Neither/nor

Very/somewhat

n = 6 (17.6%)

n = 4 (11.8%)

n = 24 (70.6%)

n = 117 (57.1%)

n = 50 (24.4%)

n = 38 (18.5%)

χ² = 41.324 df = 2

p = < 0.001

n = 3 (15.0%)

n = 0 (0.0%)

n = 17 (85.0%)

n = 29 (42.6%)

n = 13 (19.1%)

n = 26 (38.2%)

χ² = 13.989 df = 2

p = < 0.001

Ability to prescribe nicotine e-liquid^{^+}

Not at all/somewhat not

Neither/nor

Very/somewhat

n = 11 (32.4%)

n = 6 (17.6%)

n = 17 (50.0%)

n = 168 (81.6%)

n = 26 (12.6%)

n = 12 (5.8%)

χ² = 57.154 df = 2

p = < 0.001

n = 6 (30.0%)

n = 3 (15.0%)

n = 11 (55.0%)

n = 51 (75.0%)

n = 11 (16.2%)

n = 6 (8.8%)

χ² = 21.903 df = 2

p = < 0.001