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Table 4 Change in use behaviour 12 months ago and current (2018) (N = 791)

From: Results from a 2018 cross-sectional survey in Tokyo, Osaka and Sendai to assess tobacco and nicotine product usage after the introduction of heated tobacco products (HTPs) in Japan

Tobacco usage behaviour 12 months agoTobacco usage behaviour today–% (May/June 2018) 
Total
n (100 %)
Current CTP only user
n (% per row)
Current HTP only user
n (% per row)
Current dual user
n (% per row)
Former tobacco user
n (% per row)
 791.3 (100.0%)533.6 (67.4%)115.6 (14.6%)83.5 (10.5%)42.2 (5.3%)
Used only combustible tobacco products 12 months ago
All
Male
Female
643.9 (100.0%)
470.2 (100.0%)
173.6 (100.0%)
522.6 (81.2%)
384.1 (81.7%)
138.5 (79.8%)
33.4 (5.2%)
20.6 (4.4%)
12.8 (7.4%)
42.5 (6.6%)
32.5 (6.9%)
10.0 (5.8%)
36.5 (5.7%)
27.5 (5.8%)
9.0 (5.2%)
Used only HTPs 12 months ago
All
Male
Female
77.4 (100.0%)
54.9 (100.0%)
22.5 (100.0%)
0.0 (0.0%)
0.0 (0.0%)
0.0 (0.0%)
72.6 (93.8%)
51.0 (93.0%)
21.6 (95.8%)
0.0 (0.0%)
0.0 (0.0%)
0.0 (0.0%)
3.2 (4.1%)
2.2 (4.1%)
0.9 (4.2%)
Dual user 12 months ago
All
Male
Female
60.9 (100.0%)
48.3 (100.0%)
12.6 (100.0%)
7.3 (11.9%)
7.3 (15.0%)
0.0 (0.0%)
8.4 (13.7%)
3.4 (7.0%)
5.0 (39.6%)
41.0 (67.3%)
34.7 (71.8%)
6.3 (50.1%)
2.5 (4.1%)
1.2 (2.5%)
1.3 (10.4%)
  1. Prevalence is weighted to account for additional participants in the 20–24-year age group. Some consumers transitioned to use behaviours not shown in the table