Table 3.

Odds (95 % confidence interval) of the insulin resistance across tertile categories of dietary insulin index

	Dietary insulin index
	Tertile1	Tertile2	Tertile3	P for trend
	< 81.6	81.6–86.3	≥86.3
Model 1	1	1.43 (0.86–2.37)	1.73 (1.06–2.82)	0.02
Model 2	1	1.44 (.082–2.54)	1.66 (0.96–2.86)	0.07
Model 3	1	1.45 (0.82–2.56)	1.66 (0.96–2.86)	0.06

Model 1: adjusted for age and gender

Model 2: additional adjustment for body mass index, smoking, anti-diabetic medications, and physical activity

Model 3: additional adjustment for total energy intakes