Table 4. OR and 95% CI for chronic renal failure by type of renal disease among cigarette smokers, dose-effect analysesa

Diabetic Nephropathy (n = 286)Glomerulonephritis (n = 222)Nephrosclerosis (n = 139)Hereditary Disease (n = 98)Systemic Disease/Vasculitis (n = 82)Other (n = 99)
a Never regular smokers of any tobacco type was the reference group for all comparisons. Adjusted for gender (when appropriate), age, education, alcohol, use of paracetamol and salicylates, pipe smoking, cigar smoking, and snuff use.
Average number/day
    all
        1–150.8 (0.6–1.2)1.2 (0.8–1.8)1.8 (1.1–3.0)1.3 (0.8–2.3)0.5 (0.2–0.9)1.2 (0.7–2.0)
        >151.4 (1.0–2.1)1.7 (1.1–2.6)1.4 (0.8–2.6)1.0 (0.5–1.9)0.5 (0.2–1.0)0.8 (0.4–1.5)
    men
        1–150.7 (0.4–1.2)1.2 (0.7–2.0)1.6 (0.8–3.2)1.3 (0.6–2.7)0.6 (0.2–1.7)0.4 (0.2–1.0)
        >151.1 (0.7–1.9)1.7 (1.0–2.8)1.4 (0.7–2.8)1.3 (0.6–3.0)0.4 (0.1–1.2)0.4 (0.2–1.1)
    women
        1–151.1 (0.6–2.0)1.1 (0.5–2.4)2.3 (1.0–5.2)1.4 (0.6–3.1)0.3 (0.1–0.9)2.4 (1.2–5.0)
        >152.0 (1.0–4.1)1.9 (0.8–4.7)1.5 (0.4–5.5)0.6 (0.2–2.5)0.6 (0.2–1.8)0.8 (0.2–2.6)
No. of pack-years
    all
        1–200.9 (0.6–1.3)1.3 (0.9–2.0)1.3 (0.8–2.3)1.4 (0.8–2.3)0.3 (0.2–0.7)1.1 (0.6–1.9)
        >201.4 (0.9–2.1)1.6 (1.0–2.5)2.2 (1.3–3.8)0.9 (0.4–1.8)0.7 (0.4–1.5)0.9 (0.5–1.7)
    men
        1–200.7 (0.4–1.2)1.3 (0.8–2.1)1.2 (0.6–2.5)1.3 (0.6–2.7)0.5 (0.2–1.3)0.4 (0.2–1.0)
        >201.1 (0.6–1.8)1.6 (0.9–2.7)1.8 (0.9–3.5)1.3 (0.5–3.0)0.6 (0.2–1.7)0.4 (0.2–1.1)
    women
        1–201.1 (1.0–4.5)1.2 (0.6–2.6)1.4 (0.5–3.4)1.5 (0.7–3.3)0.1 (0.0–0.5)2.2 (1.0–4.8)
        >202.1 (1.0–4.5)1.7 (0.6–4.5)4.9 (1.8–13.5)0.5 (0.1–2.2)1.2 (0.4–3.5)1.2 (0.4–3.3)