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Table 2 The risk of type 2 diabetes across tertile categories of dietary L-arginine, dietary protein and L-arginine to protein ratio

From: Habitual intake of dietary L-arginine in relation to risk of type 2 diabetes: a prospective study

 

Hazard Ratio (95% CI)

 

T1

T2

T3

P for trend*

L-arginine

Crude

Ref.

0.83 (0.55–1.26)

1.06 (0.71–1.56)

0.430

Model 1

Ref.

1.00 (0.65–1.54)

0.95 (0.62–1.45)

0.816

Model 2

Ref.

1.44 (0.84–2.46)

2.72 (1.21–6.08)

0.019

Model 3

Ref.

1.44 (0.84–2.47)

2.71 (1.20–6.09)

0.020

Total protein

Crude

Ref.

0.90 (0.60–1.35)

0.94 (0.63–1.40)

0.494

Model 1

Ref.

1.33 (0.83–2.12)

1.46 (0.94–2.27)

0.099

Model 2

Ref.

1.42 (0.84–2.39)

1.89 (0.99–3.60)

0.052

L-arginine to protein ratio

Crude

Ref.

1.07 (0.70–1.64)

1.45 (0.97–2.16)

0.145

Model 1

Ref.

1.02 (0.64–1.61)

1.28 (0.84–1.95)

0.242

Model 2

Ref.

0.93 (0.58–1.50)

1.22 (0.78–1.90)

0.371

  1. Hazard ratio and 95% confidence interval; Cox regression models were used
  2. Model 1: Adjusted for sex, age, smoking, diabetes risk score and physical activity
  3. Model 2: additional adjustment for total energy intakes, dietary carbohydrate, fiber, fat and lysine
  4. Model 3: additional adjustment for total protein intake
  5. P for trend test was performed by considering each ordinal score variable as a continuous variable in the model