Model 1 taking the HONC due to cigarette score as the dependent variable. | |||||||||||||||
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Variable | Total sample (N = 363) | Males (N = 164) | Females (N = 199) | Age < 25 years (N = 164) | Age ≥ 25 years (N = 198) | ||||||||||
 | B | β | 95% CI SB | B | β | 95% CI SB | B | β | 95% CI SB | B | β | 95% CI SB | B | β | 95% CI SB |
Cumulative cigarette smoking | 0.005 | 0.471 | 0.004, 0.006 | 0.005 | 0.525 | 0.003, 0.006 | 0.005 | 0.419 | 0.003, 0.007 | 0.042 | 0.608 | 0.034, 0.050 | 0.005 | 0.551 | 0.003, 0.006 |
Cumulative waterpipe smoking | -0.006 | −0.143 | − 0.009, − 0.002 | − 0.01 | − 0.205 | − 0.018, − 0.003 | − 0.005 | − 0.158 | − 0.009, − 0.001 | − 0.005 | − 0.073 | − 0.014, 0.004 | − 0.005 | − 0.159 | − 0.009, − 0.001 |
Model 2 taking the HONC due to waterpipe score as the dependent variable. | |||||||||||||||
Variable | B | β | 95% CI SB | B | β | 95% CI SB | B | β | 95% CI SB | B | β | 95% CI SB | B | β | 95% CI SB |
Cumulative cigarette smoking | −0.001 | −0.087 | −0.002, 0.001 | −0.001 | − 0.116 | −0.002, 0.001 | − 0.001 | −0.098 | − 0.003, 0.001 | −0.014 | − 0.233 | −0.022, − 0.006 | −0.001 | − 0.182 | −0.002, − 0.0001 |
Cumulative waterpipe smoking | 0.012 | 0.375 | 0.009, 0.015 | 0.013 | 0.419 | 0.008, 0.018 | 0.011 | 0.367 | 0.007, 0.015 | 0.031 | 0.499 | 0.022, 0.039 | 0.009 | 0.369 | 0.006, 0.013 |