Table 3.

OR and 95%CIs of baseline serum spermidine levels for the increase in body mass index in the follow-up study.

	Serum Spermidine
	Q1	Q2		Q3		Q4
	OR	OR (95% CI)	p-Value	OR (95% CI)	p-Value	OR (95% CI)	p-Value
Model 1	1.000 (Ref.)	0.956 (0.726, 1.259)	0.751	0.747 (0.567, 0.984)	0.038	0.505 (0.383, 0.666)	<0.001
Model 2	1.000 (Ref.)	0.933 (0.707, 1.230)	0.621	0.718 (0.544, 0.948)	0.019	0.494 (0.374, 0.653)	<0.001
Model 3	1.000 (Ref.)	0.931 (0.702, 1.235)	0.62	0.712 (0.535, 0.946)	0.019	0.493 (0.370, 0.657)	<0.001

CI: indicates confidence interval; OR: odds ratio. Model 1: adjusting baseline body mass index. Model 2: adjusting gender, age, baseline body mass index. Model 3: adjusting gender, age, baseline body mass index, smoking, drinking, ethnicity, physical labor levels, fruit/vegetables intake levels, whole grain intake levels, triglyceride, HDL-C, LDL-C, total cholesterol, history of diabetes, history of stroke.