Table 4.
Risk factors | Total
|
Male
|
Female
|
|||
---|---|---|---|---|---|---|
Adjusted relative riska | 95% CI | Adjusted relative riska | 95% CI | Adjusted relative riska | 95% CI | |
Age | ||||||
<60 years | Reference | Reference | Reference | |||
≥60 years | 2.52 | 2.23–2.85 | 2.60 | 2.26–2.98 | 2.18 | 1.68–2.84 |
Sex | ||||||
Female | Reference | – | – | – | – | |
Male | 2.02 | 1.64–2.48 | – | – | – | – |
Smoking history | ||||||
Never smoker | Reference | Reference | Reference | |||
1–19 pack-years | 1.78 | 1.44–2.20 | 1.58 | 1.25–1.99 | 2.66 | 1.77–3.99 |
≥20 pack-years | 2.54 | 2.09–3.08 | 2.30 | 1.88–2.81 | 3.94 | 2.12–7.31 |
Income | ||||||
Fourth quartile | Reference | Reference | Reference | |||
Third quartile | 1.29 | 1.01–1.65 | 1.14 | 0.87–1.49 | 2.48 | 1.27–4.86 |
Second quartile | 1.56 | 1.26–1.93 | 1.48 | 1.18–1.86 | 2.18 | 1.15–4.15 |
First quartile | 2.03 | 1.64–2.50 | 1.89 | 1.51–2.37 | 2.99 | 1.61–5.57 |
Note:
Adjusted for other factors (age, sex, smoking history, and income).