Table 5.

Risk of a pituitary tumor in relation to ever regular cigarette smoking in a case-control study, United Kingdom, 2001 to 2005

FactorCases (n = 299)
Controls (n = 630)
OR (95% CI)*P
n%n%
Regular smoking
    Ever
        No15451.533853.71.0
        Yes14548.529246.41.2 (0.9-1.7)0.26
    Total cumulative years smoked
        <103511.78112.91.1 (0.7-1.9)0.62
        10-195618.79815.61.3 (0.8-2.1)0.22
        20-29299.7558.71.2 (0.7-2.1)0.51
        ≥30258.4589.21.1 (0.6-2.0)0.58
Ptrend = 0.5
  • * ORs obtained from unconditional logistic regression model adjusted for sex, age at reference date, region, interview year and Townsend deprivation score.

  • At least 1 cigarette per day for 6 mo or more.