Table 5

Odds ratiosa and 95% confidence intervals (CIs) for prostate cancer in quartiles of energy-adjusted fatty acid intakes in male smokers

Fatty acidQuartile 1Quartile 2Quartile 3Quartile 4Trend, P
Myristic acid, C14:0 (median g/day)
 Odds ratio1.001.311.091.15
 95% CI0.74–2.300.62–1.900.66–2.020.79
Palmitic acid, C16:0 (median g/day)17212429
 Odds ratio1.000.951.280.82
 95% CI0.53–1.710.73–2.260.46–1.440.73
Palmitoleic acid, C16:1 n-7 (median g/day)
 Odds ratio1.000.960.930.89
 95% CI0.56–1.650.54–1.600.51–1.550.66
Stearic acid, C18:0 (median g/day)8.49.811.113.0
 Odds ratio1.
 95% CI0.61–1.980.70–2.100.65–1.960.61
cis-Vaccenic acid, C18:1 n-7 (median g/day)
 Odds ratio1.000.931.270.90
 95% CI0.52–1.660.72–2.240.52–1.540.99
Oleic acid, C18:1 n-9 (median g/day)
 Odds ratio1.000.800.790.95
 95% CI0.44–1.460.46–1.360.54–1.690.85
Linoleic acid, C18:2 n-6 (median g/day)
 Odds ratio1.000.771.130.92
 95% CI0.45–1.320.65–1.980.54–1.590.88
α-Linolenic acid, C18:3 n-3 (median g/day)
 Odds ratio1.001.511.081.16
 95% CI0.87–2.650.61–1.920.64–2.130.90
γ-Linolenic acid, C18:3 n-6 (median g/day)
 Odds ratio1.000.720.840.92
 95% CI0.41–1.260.47–1.510.53–1.600.93
Dihomo-γ-linolenic acid, C20:3 n-6 (median g/day)0.0060.0090.0130.019
 Odds ratio1.001.250.911.28
 95% CI0.71–2.180.53–1.580.75–2.180.62
Arachidonic acid, C20:4 n-6 (median g/day)
 Odds ratio1.000.891.101.31
 95% CI0.52–1.540.64–1.900.77–2.210.23
Eicosapentaenoic acid, C20:5 n-3 (median g/day)
 Odds ratio1.001.691.561.22
 95% CI0.97–2.970.90–2.700.68–2.200.58
Docosahexaenoic acid, C22:6 n-3 (median g/day)
 Odds ratio1.001.461.181.31
 95% CI0.84–2.550.67–2.060.74–2.320.51
  • a Unadjusted values. The results were similar after adjustment for area of residence (urban/rural), education, body mass index, alcohol consumption, and the number of years of smoking.