Table 3

Weighted logistic regression of belief “light”/“low tar” cigarettes are less harmful

FactorNo% of smokers believing LLT cigarettes are less harmful*Adjusted odds ratio (95% CI)p Value
Demographic variables
Gender
 Male449971.10.84 (0.60 to 1.18)0.31
 Female23370.51.00 (reference)
Age (years)
 18–3989767.41.00 (reference)<0.001
 40–54233870.31.17 (0.87 to 1.57)
 55+149774.41.97 (1.36 to 2.87)
Ethnicity
 Other23562.20.93 (0.55 to 1.56)0.77
 Han449771.51.00 (reference)
Income
 Don’t know34061.51.05 (0.69 to 1.59)0.20
 Low92569.11.27 (0.90 to 1.80)
 Medium213273.61.50 (1.01 to 2.23)
 High133270.61.00 (reference)
Education
 Low62064.20.55 (0.34 to 0.89)0.007
 Medium309872.60.85 (0.55 to 1.31)
 High100970.91.00 (reference)
City
 Beijing78574.71.36 (0.85 to 2.18)0.46
 Shenyang78174.61.47 (1.00 to 2.17)
 Shanghai78466.51.19 (0.75 to 1.89)
 Changsha80072.31.33 (0.88 to 1.99)
 Yinchuan79167.31.27 (0.89 to 1.83)
 Guangzhou79170.91.00 (reference)
Smoking behaviour
Daily/weekly smoking
 Daily smoker442270.70.81 (0.53 to 1.22)0.30
 Weekly smoker31075.31.00 (reference)
Cigarettes per day
 0–10164072.21.01 (0.99 to 1.03)0.53
 11–20230771.0
 21–3040565.5
 31+35473.6
Health knowledge
 036056.81.01 (0.94 to 1.08)0.84
 157059.4
 250269.9
 361074.5
 466576.7
 576076.8
 660275.4
 737571.4
 826170.2
Ever tried light, low tar
 No212368.60.91 (0.68 to 1.22)0.63
 Don’t know24368.61.11 (0.66 to 1.85)
 Yes236673.61.00 (reference)
Tar level
 Don’t know176371.40.72 (0.42 to 1.21)0.19
 Invalid tar level3561.40.38 (0.15 to 0.96)
 15 mg129769.50.61 (0.37 to 1.01)
 11–14 mg128972.00.71 (0.44 to 1.14)
 10 mg or less28276.51.00 (reference)
Health concern
Worried smoking has damaged health
 Very77076.11.08 (0.75 to 1.55)0.48
 A little197375.91.17 (0.91 to 1.52)
 Not at all/don’t know198364.31.00 (reference)
Worried smoking will damage health
 Very85577.01.22 (0.80 to 1.87)0.30
 A little198475.71.23 (0.95 to 1.59)
 Not at all/don’t know189063.31.00 (reference)
Describe your health
 1 Poor13172.71.04 (0.86 to 1.26)0.68
 227366.5
 3221872.0
 4144570.6
 5 Excellent65370.4
Perceived addiction
 A little213272.31.09 (0.69 to 1.72)0.81
 Somewhat135971.91.22 (0.70 to 2.14)
 A lot51567.01.18 (0.49 to 2.82)
 Not at all66670.41.00 (reference)
Quitting
Past quit attempt
 No221969.61.12 (0.78 to 1.61)0.52
 Yes251272.31.00 (reference)
Quit intention
 In the next month37773.80.74 (0.48 to 1.13)0.53
 In the next 6 months29777.00.80 (0.45 to 1.42)
 In the future beyond 6 months43777.30.92 (0.59 to 1.43)
 No intention/don’t know360269.61.00 (reference)
Quit efficacy
 Don’t know33461.31.20 (0.70 to 2.06)0.68
 Extremely sure61271.10.94 (0.61 to 1.44)
 Very sure62273.41.13 (0.71 to 1.80)
 Somewhat sure115876.81.21 (0.91 to 1.61)
 Not at all sure200468.51.00 (reference)
Light/low tar smoother
 Agree/strongly Agree345190.953.87 (41.28 to 70.31)<0.001
 Disagree/strongly disagree/neutral/DK128016.41.00 (reference)
  • * The belief prevalences presented for each response category of each factor are not adjusted for the other predictor variables in the model.

  • Continuous variable.