Table 1.

Comparison of smokeless tobacco use among males in the U.S. population and CCSS cohort

Prevalence
Age, yRaceU.S. populationCancer survivorsPR95% CIP
21–25White19.85%7.10%0.36(0.19–0.61)<0.0001
Others5.35%4.35%0.81(0.01–4.52)0.69
26–29White18.67%7.67%0.41(0.28–0.58)<0.0001
Others3.46%7.59%2.20(0.80–4.78)0.12
30–34White15.12%9.98%0.66(0.50–0.85)0.0008
Others3.65%2.17%0.60(0.07–2.15)0.69
35–49White13.14%9.24%0.70(0.59–0.83)<0.0001
Others2.63%6.11%2.32(1.27–3.90)0.008
50+White3.86%3.36%0.87(0.28–2.03)0.97
Others1.35%0.00%0.00
Total8.27%0.64(0.57–0.72)<0.0001