Table 4.

Number of controls and follicular lymphoma cases, OR, and 95% CI associated with blond tobacco smoking

Controls/casesOR95% CI
Cigarettes status
    Never smokers811/541.0
    Ever smokers419/562.11.4–3.2
    Former153/222.41.4–4.1
    Current266/341.91.2–3.1
Pack-years of smokinga
    ≤12210/302.31.4–3.8
    13–29142/192.11.2–3.7
    ≥3067/71.60.67–3.7
Age (yr) started smokinga
    <18226/241.70.99–2.9
    ≥18193/322.41.5–3.9
Years since quitting smokinga
    1–436/31.20.36–4.2
    5–941/62.40.95–6.0
    ≥1056/132.71.4–5.3
  • Note: OR and 95% CI were adjusted for age, sex, area of residence, education level, and type of interview.

  • a Those with missing information in these categories were excluded from the analyses.