Table 3.
Comparison of Associations* with Baseline Smoking Status by PD** Defined by Various Data Sources, Restricted to Time Period of Original Algorithm, 1989-2001.
| PD in CMS (n=267) |
PD in CHS (n=254) |
PD in either CMS or CHS (n=367) |
PD in Both CMS or CHS (n=254) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Characteristic | OR | 95% CI | P- value |
OR | 95% CI | P- value |
OR | 95% CI | P- value |
OR | 95% CI | P- value |
| Smoking Status | 0.199 | 0.052 | 0.125 | 0.066 | ||||||||
| Never | 1.00 | Reference | 1.00 | Reference | 1.00 | Reference | 1.00 | Reference | ||||
| Former | 0.86 | (0.66, 1.14) | 0.89 | (0.67. 1.18) | 0.92 | (0.73, 1.16) | 0.78 | (0.56, 1.34) | ||||
| Current | 0.79 | (0.52, 1.21) | 0.62 | (0.38, 0.98) | 0.74 | (0.51, 1.08) | 0.61 | (0.33, 1.11) | ||||
| Years since quitting | 0.285 | 0.021 | 0.064 | 0.037 | ||||||||
| Never smoker | 1.00 | Reference | 1.00 | Reference | 1.00 | Reference | 1.00 | Reference | ||||
| ≥ 30 years | 0.97 | (0.65, 1.44) | 1.13 | (0.77, 1.68) | 1.09 | (0.78, 1.53) | 0.96 | (0.58, 1.58) | ||||
| 20-29 | 1.04 | (0.70, 1.57) | 0.81 | (0.52, 1.27) | 0.95 | (0.66, 1.37) | 0.88 | (0.52, 1.50) | ||||
| 10-19 | 0.66 | (0.41, 1.06) | 0.88 | (0.57, 1.36) | 0.80 | (0.54, 1.17) | 0.70 | (0.39, 1.26) | ||||
| >1-10 | 0.75 | (0.53, 1.37) | 0.74 | (0.44, 1.23) | 0.86 | (0.57, 1.30) | 0.68 | (0.33, 1.27) | ||||
| Current smoker | 0.79 | (0.52, 1.21) | 0.62 | (0.28, 0.98) | 0.74 | (0.51, 1.08) | 0.61 | (0.33, 1.11) | ||||
| Total pack-years | 0.052 | 0.022 | 0.058 | 0.010 | ||||||||
| Never smoker | 1.00 | Reference | 1.00 | Reference | 1.00 | Reference | 1.00 | Reference | ||||
| lst quartile(0-13) | 1.05 | (0.73, 1.50) | 0.96 | (0.66, 1.39) | 1.03 | (0.76, 1.40) | 0.95 | (0.60, 1.52) | ||||
| 2nd quartile (14-27) | 0.96 | (0.64, 1.43) | 1.08 | (0.73, 1.60) | 1.00 | (0.71, 1.41) | 1.06 | (0.65, 1.74) | ||||
| 3rd quartile (28-49) | 0.93 | (0.60, 1.46) | 1.01 | (0.65, 1.56) | 1.03 | (0.71, 1.49) | 0.84 | (0.47, 1.49) | ||||
| 4th quartile (≥ 50) | 0.64 | (0.43, 0.96) | 0.52 | (0.33, 0.80) | 0.66 | (0.46, 0.93) | 0.42 | (0.23, 0.76) | ||||
| Cigarettes per day | 0.247 | 0.061 | 0.238 | 0.036 | ||||||||
| Never smoker | 1.00 | Reference | 1.00 | Reference | 1.00 | Reference | 1.00 | Reference | ||||
| <10 | 1.00 | (0.66, 1.52) | 0.85 | (0.55, 1.33) | 0.88 | (0.61, 1.28) | 1.02 | (0.60, 1.73) | ||||
| 10-19 | 0.85 | (0.58, 1.25) | 1.06 | (0.74, 1.53) | 1.05 | (0.77, 1.43) | 0.75 | (0.45, 1.25) | ||||
| 20-28 | 0.88 | (0.62, 1.26) | 0.82 | (0.57, 1.19) | 0.86 | (0.63, 1.17) | 0.84 | (0.54, 1.32) | ||||
| ≥ 29 | 0.80 | (0.51, 1.25) | 0.55 | (0.33,0.93) | 0.78 | (0.53, 1.16) | 0.46 | (0.23,0.91) | ||||
*
Adjusted for age, sex, African American race, and education
**
includes both prevalent and incident PD