Table 2: 1OHPu shiftearly never smokers (Searly NS) and smokers (Searly S) and Shiftend never smokers (Send NS) and Shiftend Smokers (Send S) - t-test (*).

Table 1 Risk

Smoke

Geom.-mean ng/gr creat

-DS

+DS

 

Exposed

Shiftearly

NS

19

316

158

630

 

S

12

1000

398

2511

P < .001 vs. NS and contra NS (*)

Exposed

Shiftend

ES-NS

19

1259

398

3989

P < .001 vs NF I  T (*)

ES-S

12

1981

629

6237

P < .001 vs NF IT (*)

Control non exposed

NS

9

230

103

513

 

S

9

425

151

1138