Table 1.

OR and 95% CIs of reporting breast, cervical, and colorectal cancer screening by smoking status

	Mammogram within last 2 years OR (95% CI)*	Pap smear within last 3 years OR (95% CI)*	FOBT/endoscopy within last 5 years OR (95% CI)*
Smoking status
Never smoker	Ref	Ref	Ref
Current smoker	0.55 (0.51 to 0.59)	0.53 (0.47 to 0.59)	0.71 (0.66 to 0.76)
Former smoker	1.05 (1.004 to 1.10)	1.10 (1.02 to 1.18)	1.03 (0.99 to 1.07)
Cigarettes per day
Never smoker	Ref	Ref	Ref
Former
<15	1.10 (1.04 to 1.16)	1.11 (1.01 to 1.21)	1.05 (0.998 to 1.10)
15–24	1.02 (0.95 to 1.10)	1.09 (0.97 to 1.22)	1.01 (0.95 to 1.07)
>25	0.94 (0.86 to 1.01)	0.99 (0.87 to 1.13)	1.01 (0.94 to 1.08)
Current
<15	0.63 (0.57 to 0.69)	0.58 (0.50 to 0.68)	0.78 (0.71 to 0.86)
15–24	0.47 (0.42 to 0.53)	0.53 (0.44 to 0.64)	0.63 (0.56 to 0.71)
>25	0.49 (0.42 to 0.59)	0.37 (0.29 to 0.48)	0.65 (0.55 to 0.78)
Pack-years
Never smoker	Ref	Ref	Ref
Former
<20	1.11 (1.05 to 1.17)	1.13 (1.03 to 1.23)	1.04 (0.99 to 1.09)
>20	0.96 (0.90 to 1.02)	0.99 (0.90 to 1.10)	1.02 (0.96 to 1.08)
Current
<20	0.66 (0.59 to 0.74)	0.64 (0.53 to 0.77)	0.82 (0.72 to 0.92)
>20	0.49 (0.45 to 0.54)	0.47 (0.41 to 0.54)	0.65 (0.60 to 0.72)
Duration of smoking (years)
Never smoker	Ref	Ref	Ref
<5	1.06 (0.98 to 1.16)	1.10 (0.95 to 1.27)	1.07 (0.99 to 1.16)
5–9	1.11 (1.00 to 1.23)	1.08 (0.91 to 1.28)	1.01 (0.93 to 1.10)
10–19	1.05 (0.98 to 1.13)	1.22 (1.07 to 1.38)	1.01 (0.95 to 1.07)
20–29	0.99 (0.92 to 1.06)	1.04 (0.92 to 1.16)	1.01 (0.95 to 1.07)
30–39	0.87 (0.81 to 0.93)	0.86 (0.76 to 0.96)	0.95 (0.89 to 1.02)
40–49	0.69 (0.63 to 0.75)	0.67 (0.59 to 0.76)	0.86 (0.79 to 0.93)
>50	0.65 (0.56 to 0.75)	0.68 (0.55 to 0.84)	0.73 (0.64 to 0.84)

*Multivariate-adjusted: age, ethnicity, BMI, family history of cancer, education level, annual household income, insurance, healthcare provider, marital status, alcohol Intake.