Table 1

Background characteristics of a large working cohort of department stores in Japan

CharacteristicsN (%) or mean (SD)*
Total (n=7714)Male (n=2215)Female (n=5499)
Age, mean (SD)46.6 (12.8)40.2 (13.7)49.2 (11.4)
Office workers1122 (14.5)797 (36.0)325 (5.9)
Full-time employment1800 (23.3)1349 (60.9)451 (8.2)
Current smoking status
Never smokers4580 (59.4)1011 (45.6)3569 (64.9)
Former smokers1428 (18.5)466 (21.0)962 (17.5)
Current smoker1706 (22.1)738 (33.3)968 (17.6)
 Combustible cigarette smokers1217 (15.8)505 (22.8)712 (12.9)
 HTPs smokers229 (3.0)110 (5.0)119 (2.2)
 Dual smokers†260 (3.4)123 (5.6)137 (2.5)
  • *Percentage may not total 100 due to rounding.

  • †Dual smokers are those who currently smoke both combustible cigarettes and HTPs.

  • HTPs, heated tobacco products.;