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Table 4 Odds ratios a of diabetes according to quartiles of dietary GL, stratified analysis, JPHC Study

From: Dietary glycemic index, glycemic load and incidence of type 2 diabetes in Japanese men and women: the Japan public health center-based prospective study

 

Quartile of energy adjusted dietary glycemic load

P-trend

 

1

2

3

4

Men (n)

6943

 

6942

 

6942

 

6942

 

BMI b,c

        

BMI I < 25, OR (95% CI)

1.00

1.09

(0.80-1.50)

1.17

(0.84-1.62)

1.05

(0.72-1.52)

0.77

BMI I ≥ 25, OR (95% CI)

1.00

1.05

(0.72-1.52)

1.39

(0.97-2.00)

1.31

(0.88-1.96)

0.34

Physical activity (metabolic equivalents -h/d)b,d

      

Lower than median, OR (95% CI)

1.00

1.51

(1.06-2.14)

1.30

(0.89-1.91)

1.26

(0.81-1.94)

0.46

Median or higher, OR (95% CI)

1.00

1.30

(0.89-1.89)

1.57

(1.07-2.31)

1.30

(0.85-1.99)

0.21

Dietary fiber intake e

        

Lower than median, OR (95% CI)

1.00

1.25

(0.91-1.72)

1.21

(0.86-1.69)

1.20

(0.82-1.76)

0.43

Median or higher, OR (95% CI)

1.00

1.45

(1.04-2.03)

1.34

(0.94-1.91)

1.09

(0.74-1.61)

0.81

Total fat intake

        

Lower than median, OR (95% CI)

1.00

1.19

(0.81-1.74)

1.12

(0.75-1.68)

1.10

(0.70-1.74)

0.88

Median or higher, OR (95% CI)

1.00

1.51

(1.12-2.03)

1.46

(1.04-2.06)

1.25

(0.84-1.86)

0.17

Women (n)

9216

 

9216

 

9216

 

9216

 

BMI b,c

        

BMI I < 25, OR (95% CI)

1.00

1.37

(0.89-2.12)

1.29

(0.80-2.08)

1.26

(0.70-2.29)

0.03

BMI I ≥ 25, OR (95% CI)

1.00

1.19

(0.79-1.77)

1.01

(0.64-1.59)

1.22

(0.69-2.16)

0.09

Physical activity (metabolic equivalents -h/d)b,d

      

Lower than median, OR (95% CI)

1.00

1.13

(0.74-1.73)

1.01

(0.63-1.63)

0.91

(0.49-1.70)

0.57

Median or higher, OR (95% CI)

1.00

1.41

(0.86-2.32)

1.05

(0.58-1.90)

1.12

(0.52-2.43)

0.48

Dietary fiber intake e

        

Lower than median, OR (95% CI)

1.00

1.51

(1.002-2.28)

1.38

(0.90-2.11)

1.56

(0.98-2.49)

0.11

Median or higher, OR (95% CI)

1.00

1.13

(0.77-1.66)

1.15

(0.78-1.70)

1.37

(0.93-2.02)

0.12

Total fat intake

        

Lower than median, OR (95% CI)

1.00

1.09

(0.68-1.77)

1.13

(0.70-1.82)

1.32

(0.79-2.20)

0.23

Median or higher, OR (95% CI)

1.00

1.37

(0.95-1.96)

1.14

(0.75-1.75)

1.44

(0.93-2.23)

0.14

  1. aAge, public health center area, total energy intake, smoking status, family history of diabetes, physical activity (metabolic equivalents), hypertension, BMI, alcohol intake, magnesium, calcium, dietary fiber and coffee intake and occupation.
  2. bOnly individuals whose data was available were analyzed. BMI: 27,205 for men and 35,972 for women. Physical activity: 23117 for men and 30429 for women.
  3. cThe model was not adjusted for BMI.
  4. dThe model was not adjusted for physical activity.
  5. eThe model was not adjusted for dietary fiber intake.
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Nutrition Journal

ISSN: 1475-2891

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