Table 2.

NHL risk according to ever treatment for termites

SubgroupCa/CoOR (95% CI)*
Study site
    Detroit17/91.5 (0.6-3.6)
    Iowa70/441.3 (0.8-2.0)
    Los Angeles204/1571.3 (0.9-1.9)
    Seattle42/440.8 (0.5-1.3)
Sex
    Men176/1361.3 (0.9-1.7)
    Women157/1181.3 (0.9-1.8)
Race
    African American37/631.2 (0.6-2.4)
    Caucasian264/1731.3 (1.0-1.6)
    Other32/181.3 (0.6-3.1)
Who applied
    Respondent applied20/151.3 (0.6-2.6)
    Professional applied205/1641.3 (0.9-1.6)
When applied
    Applied before 1988220/1621.3 (1.0-1.7)
    Applied only after 198846/431.0 (0.7-1.6)
  • * Adjusted for site, sex, age, education, and race.

  • Termiticide users were excluded if we could not determine whether the home was treated before 1988.