Table 3 The odds ratio and 95% confidence intervals for type 2 diabetes based on quartile categories of intake for omega-3, omega-6, and the ratio of omega-6 to omega-3 fatty acids

Mean Omega-3 intake (g/d)

0.05 ± 0.01

0.07 ± 0.01

0.08 ± 0.01

0.12 ± 0.03

Model 1

1

1.09 (0.88–1.36)

0.98 (0.78–1.22)

1.18 (0.96–1.46)

0.226

Model 2

1

1.08 (0.87–1.34)

0.99 (0.79–1.24)

1.34 (1.08–1.66)

0.023

Model 3

1

0.78 (0.62–0.99)

0.52 (0.40–0.67)

0.42 (0.32–0.56)

< 0.001

Omega-6 intake

Q1

Q2

Q3

Q4

P trend

Mean Omega-6 intake (g/d)

3.26 ± 0.75

4.87 ± 0.38

6.65 ± 0.65

10.41 ± 2.42

Model 1

1

1.11 (0.88–1.38)

1.36 (1.09–1.68)

1.32 (1.07–1.64)

0.003

Model 2

1

1.09 (0.87–1.37)

1.42 (1.14–1.76)

1.50 (1.20–1.87)

< 0.001

Model 3

1

0.84 (0.65–1.07)

0.93 (0.73–1.18)

0.91 (0.71–1.17)

0.803

Omega-6: Omega-3 intake

Q1

Q2

Q3

Q4

P trend

Mean Omega-6 to 3 intakes (g/d)

41.33 ± 10.60

64.15 ± 5.26

87.07 ± 8.56

150.76 ± 54.16

Model 1

1

1.13 (0.91–1.41)

1.17 (0.94–1.44)

1.13 (0.91–1.39)

0.267

Model 2

1

1.08 (0.87–1.35)

1.18 (0.95–1.47)

1.17 (0.94–1.46)

0.111

Model 3

1

1.36 (1.07–1.72)

1.38 (1.08–1.76)

1.42 (1.11–1.84)

0.01