Table 2

Rate of current use (use in the previous 30 days) of electronic tobacco products

Characteristics at 2015 baselinee-CigaretteIQOSPloom/Ploom TechgloAny productDual use*
2015201620172015201620172015201620172017201520162017201520162017
Overall1.31.41.90.30.63.60.30.31.20.81.41.84.70.81.23.4
Sex
 Men1.91.82.90.41.05.40.30.51.91.3­1.92.27.01.31.85.3
 Women0.81.10.80.20.31.80.20.00.40.40.81.42.40.40.61.5
Age groups, years
 15–191.54.01.80.62.32.00.60.11.31.81.54.12.00.84.01.5
 20–293.63.23.71.00.65.81.10.41.51.03.73.98.72.41.94.4
 30–391.51.21.70.30.95.40.20.61.21.21.52.06.10.81.54.7
 40–490.90.71.20.00.13.90.00.31.21.00.90.84.80.60.43.9
 50–590.20.22.40.00.43.70.00.00.90.20.30.54.20.20.23.7
 60–690.40.10.40.00.10.00.00.00.70.00.40.21.20.20.11.2
Smoking status
 Never-smoker0.40.50.90.10.11.30.10.10.60.60.40.71.5-0.41.1
 Former smoker1.53.51.51.11.72.11.00.50.90.91.64.02.8-2.21.6
 Current smoker with intention to quit2.15.110.01.20.218.80.70.66.41.62.65.525.42.65.523.4
 Current smoker with no intention to quit4.01.53.90.21.110.30.20.42.21.34.12.213.64.12.09.6
Workplace indoor smoking ban status
 No ban (including smoking room/corner)2.31.72.00.40.53.60.40.11.20.62.42.25.71.71.94.4
 Complete ban1.01.92.00.31.25.00.30.51.20.91.02.45.70.41.23.7
 Not working/did not know0.70.51.40.10.01.70.10.01.01.00.70.62.00.40.51.8
HNB tobacco/e-cigarette use status
 Never used with no preference for e-cigarette use0.00.81.30.00.22.10.00.10.90.50.01.02.90.00.52.2
 Never used but would like to use e-cigarette in future0.00.21.60.01.017.80.00.11.40.30.01.419.10.00.418.4
 Ever-user21.112.211.44.98.015.04.63.35.36.221.616.021.313.512.910.3
Equivalent household income
 1st quartile (lowest)2.52.11.70.41.43.60.40.01.11.12.62.44.61.92.23.9
 2nd quartile0.71.12.20.20.02.50.10.01.31.30.71.23.20.41.02.1
 3rd quartile1.31.42.00.30.95.10.40.71.40.61.32.15.90.71.35.1
 4th quartile (highest)1.71.21.20.70.64.40.60.71.40.51.72.16.50.81.54.5
 Did not know/did not want to answer0.31.32.10.00.12.60.00.00.60.50.31.33.90.30.01.7
Housing tenure
 Does not own housing1.51.14.20.30.75.10.30.53.12.21.61.87.61.01.55.5
 Owns housing1.31.61.00.30.63.10.30.10.40.31.31.83.70.81.12.6
Education
 Junior high school/high school1.61.52.20.30.93.70.30.21.20.81.61.84.80.91.63.7
 University/technical school/college or more1.01.41.40.40.33.50.30.31.10.91.11.94.60.70.83.0
Marital status
 Married0.70.91.80.20.63.40.20.30.90.60.81.34.50.30.83.6
 Never married2.52.42.10.50.64.30.50.31.71.32.52.85.41.91.93.4
 Divorced/widowed0.80.40.70.30.91.70.30.00.60.60.81.31.80.41.11.0
Alcohol consumption
 Never-drinker1.01.51.50.40.93.80.40.41.10.81.01.74.30.51.53.4
 Former drinker2.01.64.00.90.73.60.80.01.21.92.12.35.30.62.13.8
 Current drinker1.51.41.90.20.43.50.10.11.20.71.51.84.91.10.93.4
Self-rated health
 Good (excellent/very good/good)1.21.51.80.30.73.60.30.31.00.71.22.04.80.81.33.3
 Poor (fair/poor)2.60.52.10.30.24.00.30.02.12.02.60.74.21.50.34.0
Area-level deprivation index of living place
 1st quartile (least deprived)1.31.12.40.71.02.40.70.21.51.11.52.05.00.91.53.8
 2nd quartile1.21.53.10.30.33.70.20.21.11.01.21.94.30.91.33.5
 3rd quartile1.70.80.80.00.42.50.10.00.80.41.71.13.41.40.92.3
 4th quartile (most deprived)0.91.32.10.20.24.60.20.51.21.10.91.75.50.40.74.2
 Missing/unknown3.68.40.02.88.48.12.80.02.30.03.68.410.40.18.43.6
Experience of having seen the TV programme†‡
 Had not seen0.80.51.30.20.12.70.20.20.80.50.90.83.50.60.52.7
 Had seen2.42.45.51.51.910.31.50.93.93.32.53.413.31.33.28.3
 Did not respond to 2017 survey1.73.40.21.40.20.11.73.81.12.2
Awareness of tobacco company promotion§
 Never, seldom or sometimes seen0.90.61.70.40.33.60.30.21.00.61.01.04.80.60.83.4
 Often or very often seen2.32.56.20.02.46.90.02.36.16.12.32.67.12.02.67.1
 Did not respond to 2017 survey/responded to reduced version§1.63.10.80.31.31.30.30.10.00.01.73.51.41.02.01.0
  • Both sexes and years 2015, 2016 and 2017, in Japan.

  • Note: glo was sold in 12 December 2016.

  • *Dual use means use of both combustible cigarette and at least one new tobacco products (IQOS, Ploom, glo and e-cigarette with nicotine or e-cigarette without nicotine).

  • †Information collected in 2017 survey.

  • ‡A programme of a popular entertainment TV show introducing IQOS was broadcasted on 28 April 2016 in Japan (see methods section for detail).

  • §Responded to reduced version means responders who answered question-reduced version that did not included some questions such as awareness of tobacco company promotion (n=194).

  • HNB, heat-not-burn.