approached significanceP = .07
For bladder cancer incidence trends from 1975 through 1999 in 9 cancer registries in the National Cancer Institute's Surveillance, Epidemiology and End Results (SEER) Program, a model of incidence (with a 3-year lag) produced a negative regression coefficient (bTCP or coefficient associated with the Tobacco Control Program in San Francisco-Oakland, California) that approached significance (bTCP = –0.235, P = .07 for trend in bladder cancer rate in San Francisco-Oakland).