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. 2021 Mar 5;31(3):187–193. doi: 10.2188/jea.JE20190260

Table 3. Odds ratios of age and equivalent income for HTP smokers versus only combustible cigarette smokers using logistic regression analysis.

  OR for being HTP smokersb
aORa (95% CI)
Men Age, years  
 (n = 585) 20–29 16.38 (6.07–44.17)
  30–39 6.93 (2.57–18.72)
  40–49 3.68 (1.34–10.12)
  50–59 2.25 (0.78–6.52)
  60–69 1.00 (reference)
 
  Equivalent income, JPY/year  
  <2 million 1.00 (reference)
  2.00–2.99 million 1.41 (0.64–3.11)
  3.00–3.99 million 2.20 (1.03–4.71)
  ≥4 million 2.48 (1.23–5.01)
 
Women Age, years  
 (n = 264) 20–29 22.26 (4.58–108.13)
  30–39 4.13 (0.77–22.11)
  40–49 2.90 (0.56–14.94)
  50–59 1.19 (0.19–7.51)
  60–69 1.00 (reference)
 
  Equivalent income, JPY/year  
  <2 million 1.00 (reference)
  2.00–2.99 million 1.23 (0.34–4.41)
  3.00–3.99 million 3.34 (1.11–10.04)
  ≥4 million 2.54 (0.88–7.35)

aOR, adjusted odds ratio; CI, confidence interval; HTP, heated tobacco product.

aAdjusted for age and equivalent income.

bHTP smokers: smokers using only HTPs or HTPs and other tobacco products.