Outcome of interest | Non-current smoker/vaper | ‘Exclusive’ vaper | ‘Exclusive’ smoker | Concurrent smoker–vaper | Rao-Scott χ2 p value |
Overall sample (n=12 987) | n=1619 | n=1087 | n=6753 | n=3528 | |
Aware of HTPs | 25.7 (22.8–28.6) | 34.5 (29.4–39.5) | 30.4 (29.0–31.7) | 40.5 (38.2–42.7) | <0.001 |
Ever tried HTPs | 1.2 (0.6–1.8) | 2.0 (0.9–3.1) | 2.0 (1.6–2.5) | 10.9 (9.6–12.2) | <0.001 |
Current HTP user | 0.1 (0.0–0.1) | 1.0 (0.3–1.8) | 0.3 (0.2–0.5) | 8.4 (7.3–9.6) | <0.001* |
CA respondents (n=3778) | n=705 | n=251 | n=1948 | n=874 | |
Aware of HTPs | 28.3 (24.0–32.6) | 27.1 (17.3–36.9) | 30.8 (28.6–33.0) | 39.9 (35.5–44.3) | 0.044 |
Ever tried HTPs | 2.5 (1.1–3.9) | 5.6 (0.0–11.2) | 2.8 (1.9–3.6) | 13.9 (10.7–17.0) | <0.001 |
Current HTP user | 0.2 (0.0–0.4) | 2.4 (0.0–5.2) | 0.4 (0.1–0.7) | 9.0 (6.3–11.7) | <0.001* |
EN respondents (n=4848) | n=301 | n=398 | n=2358 | n=1791 | |
Aware of HTPs | 20.8 (14.8–26.8) | 35.7 (28.0–43.4) | 32.0 (29.7–34.3) | 42.7 (39.6–45.9) | <0.001 |
Ever tried HTPs | 0.5 (0.0–1.3) | 1.6 (0.2–3.1) | 1.9 (1.1–2.7) | 10.8 (9.1–12.6) | <0.001* |
Current HTP user | 0.0 (0.0–0.0) | 0.7 (0.0–1.7) | 0.5 (0.1–0.9) | 9.1 (7.5–10.8) | <0.001* |
US respondents (n=2846) | n=422 | n=358 | n=1361 | n=705 | |
Aware of HTPs | 29.9 (24.5–35.2) | 27.7 (21.6–33.8) | 29.9 (26.8–33.0) | 36.3 (31.4–41.2) | 0.403 |
Ever tried HTPs | 0.5 (0.0–1.1) | 2.7 (0.5–4.9) | 2.0 (0.9–3.1) | 7.8 (5.3–10.2) | <0.001* |
Current HTP user | 0.0 (0.0–0.0) | 2.0 (0.0–4.1) | 0.2 (0.0–0.4) | 6.3 (4.0–8.5) | 0.027† |
AU respondents (n=1515) | n=191 | n=80 | n=1086 | n=158 | |
Aware of HTPs | 23.5 (15.9–31.1) | 44.0 (29.7–58.2) | 25.8 (22.1–29.6) | 34.8 (23.4–46.2) | 0.005 |
Ever tried HTPs | 0.9 (0.0–2.8) | 0.0 (0.0–0.0) | 0.8 (0.0–1.6) | 11.4 (2.7–20.1) | N/A |
Current HTP user | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.0 (0.0–0.1) | 7.3 (0.4–14.1) | N/A |
Values represent weighted % (95% CI) unless otherwise indicated.
*Due to limited cell sizes (n<5), non-current smoker–vaper category excluded from the χ2 test.
†Due to limited cell sizes (n<5), non-current smoker–vaper and ‘exclusive’ smoker categories excluded from the χ2 test.
HTP, heated tobacco product.