Table 3.
Comparison of self-reported cigarette smoking between PMRP and PhenX
| PMRP | PhenX | |||
|---|---|---|---|---|
|
Smoked at least 100 cigarettes in entire life | ||||
| |
No |
Yes |
Combined |
|
| |
N (%) |
N (%) |
N (%) |
|
| No |
1151 (52.1) |
16 (0.7) |
1167 (52.9) |
|
| Yes |
88 (4.0) |
953 (53.2) |
1041 (47.1) |
|
| Combined |
1239 (56.1) |
969 (43.9) |
2208 (100.0) |
|
| Kappa = 0.905 (95% CL=0.887, 0.923) | ||||
|
Frequency of current smoking PMRP enrollment and PhenX follow-up | ||||
| |
Every day |
Some days |
Not at all |
Combined |
| |
N (%) |
N (%) |
N (%) |
N (%) |
| Every day |
60 (2.7) |
12 (0.5) |
39 (1.8) |
111 (5.0) |
| Some days |
8 (0.4) |
10 (0.5) |
23 (1.0) |
41 (1.9) |
| Not at all |
13 (0.6) |
9 (0.4) |
2027 (92.1) |
2049 (100.0) |
| Combined |
81 (3.7) |
31 (1.4) |
2089 (94.9) |
2201 (100.0) |
| Kappa = 0.673 (0.604, 0.741) | ||||
The numbers are the actual counts (and percent) of people responding “yes” or “no” on the two questionnaires about whether they had ever smoked 100 cigarettes in their lifetime and whether they were currently smoking. Agreement (no/no or yes/yes) is noted in bold.