Table 4

Multinomial ORs for each smoking status in high occupational class workers

CharacteristicsMultinominal OR (95% CI)
Model 1*Model 2†
HTPs smokers
 Office workers1.99 (1.42 to 2.79)1.94 (1.38 to 2.72)
 Full-time employment1.62 (1.12 to 2.33)1.58 (1.09 to 2.29)
 Age, continuous0.997 (0.99 to 1.01)0.99 (0.98 to 1.01)
 Female0.51 (0.36 to 0.73)0.51 (0.35 to 0.73)
 Total knowledge1.34 (1.22 to 1.48)
Combustible cigarette smokers
 Office workers1.02 (0.84 to 1.23)0.99 (0.81 to 1.20)
 Full-time employment0.89 (0.73 to 1.09)0.88 (0.72 to 1.07)
 Age, continuous1.03 (1.02 to 1.03)1.03 (1.02 to 1.03)
 Female0.29 (0.24 to 0.35)0.29 (0.24 to 0.34)
 Total knowledge1.31 (1.24 to 1.37)
Dual smokers
 Office workers1.01 (0.71 to 1.45)0.97 (0.67 to 1.40)
 Full-time employment1.83 (1.27 to 2.62)1.79 (1.24 to 2.57)
 Age, continuous1.01 (0.99 to 1.02)1.00 (0.99 to 1.01)
 Female0.43 (0.31 to 0.60)0.42 (0.30 to 0.60)
 Total knowledge1.44 (1.31 to 1.59)
Former smokers
 Office workers1.38 (1.15 to 1.65)1.34 (1.12 to 1.61)
 Full-time employment0.82 (0.67 to 1.00)0.81 (0.66 to 0.99)
 Age, continuous1.03 (1.03 to 1.04)1.03 (1.02 to 1.03)
 Female0.44 (0.37 to 0.53)0.44 (0.37 to 0.53)
 Total knowledge1.30 (1.24 to 1.36)
  • *Adjusted for age, sex and employment type.

  • †Additional adjustment for smoking-related health knowledge.

  • HTP, heated tobacco product.