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. 2021 Sep 21;11(9):e052976. doi: 10.1136/bmjopen-2021-052976

Table 2.

Smoking status and use of heated tobacco products cross-classified according to combustible cigarette smoking status

Characteristics HTP smoking status
Never (%) Former (%) Current (%) Total (%)
Postdelivery women, total 493 (88.4) 50 (9.0) 15 (2.7) 558 (100)
 Never combustible cigarette smokers 411 (97.6) 9 (2.1) 1 (0.2) 421 (100)
 Former combustible cigarette smokers 79 (64.2) 32 (26.0) 12 (9.8) 123 (100)
 Current combustible cigarette smokers 3 (21.4) 9 (64.3) 2 (14.3) 14 (100)
Currently pregnant women, total 319 (87.4) 42 (11.5) 4 (1.1) 365 (100)
 Never combustible cigarette smokers 265 (98.1) 5 (1.9) 0 (0) 270 (100)
 Former combustible cigarette smokers 54 (59.3) 33 (36.3) 4 (4.4) 91 (100)
 Current combustible cigarette smokers 0 (0) 4 (100) 0 (0) 4 (100)

HTP, heated tobacco product;