Table 4

ORs and 95% CIs for prostate cancer according to plasma lycopene at baseline and random assignment to active β-carotene supplements or placebo

Plasma lycopene quintileAll cases (n = 578 sets)Aggressive cases (n = 259 sets)
Placeboβ-CarotenePlaceboβ-Carotene
OR95% CIOR95% CIOR95% CIOR95% CI
Q1 (low)1.000.570.37 –0.881.000.690.37 –1.27
Q20.720.46 –1.120.610.39 –0.970.720.38 –1.360.320.15 –0.68
Q30.700.45 –1.090.650.42 –1.020.590.29 –1.160.560.29 –1.09
Q40.580.37 –0.890.750.49 –1.150.450.23 –0.860.720.38 –1.37
Q50.590.37 –0.940.550.35 –0.870.400.19 –0.840.480.24 –0.94
P, trend0.010.006
P, interaction0.040.05