Table 5 Serum phosphorus and odds ratio of hyperphosphatemia (serum phosphorus > 1.78 mmol/l and 2.00 mmol/l) by tertiles of dietary patterns.

Dietary pattern	Serum phosphorus (mmol/l)*		Serum phosphorus > 1.78 mmol/l^†		Serum phosphorus > 2.00 mmol/l^†
Dietary pattern	Model 1	Model 2	Model 1	Model 2	Model 1	Model 2
Home food
Tertile 1	1.76 ± 0.04	1.80 ± 0.05	1.00	1.00	1.00	1.00
Tertile 2	1.72 ±0.05	1.77 ± 0.05	0.68 (0.42, 1.09)	0.67 (0.41, 1.09)	0.78 (0.46, 1.33)	0.81 (047, 1.39)
Tertile 3	1.74 ± 0.04	1.78 ± 0.05	0.70 (0.43, 1.13)	0.69 (0.42, 1.13)	0.91 (0.54, 1.54)	0.87 (0.51, 1.50)
P trend	0.829	0.830	0.208	0.119	0.661	0.737
P value for T1 vs T3	> 0.999	> 0.999	0.141	0.137	0.735	0.622
Sugar sweetened beverages
Tertile 1	1.67 ± 0.05	1.70 ± 0.05	1.00	1.00	1.00	1.00
Tertile 2	1.71 ± 0.04	1.75 ± 0.05	1.00 (0.61, 1.62)	1.03 (0.62, 1.71)	1.12 (0.64, 1.96)	1.29 (0.72, 2.31)
Tertile 3	1.85 ± 0.05	1.88 ± 0.05	1.61 (0.97, 2.67)	1.64 (0.97, 2.79)	1.99 (1.14, 3.48)	2.35 (1.30, 4.28)
P trend	0.008	0.005	0.097	0.108	0.030	0.013
P value for T1 vs T3	0.011	0.006	0.066	0.067	0.015	0.005
Eating out noodles
Tertile 1	1.73 ± 0.04	1.77 ± 0.04	1.00	1.00	1.00	1.00
Tertile 2	1.74 ± 0.05	1.78 ± 0.06	1.04 (0.64, 1.71)	1.04 (0.63, 1.72)	1.14 (0.66, 1.96)	1.20 (0.69, 2.09)
Tertile 3	1.77 ± 0.06	1.82 ± 0.06	1.00 (0.60, 1.66)	1.03 (0.61, 1.73)	1.10 (0.63, 1.92)	1.18 (0.66, 2.11)
P trend	0.868	0.745	0.985	0.987	0.881	0.756
P value for T1 vs T3	> 0.999	> 0.999	0.993	0.918	0.744	0.568

Model 1 is adjusted for age, gender, ethnic, sector of dialysis provider; Model 2 is adjusted for all confounders in model 1 and dialysis vintage, Kt/V, normalization of protein nitrogen appearance, history of parathyroidectomy, prescription of activated vitamin D, and self-reported compliance to phosphate binder.
*Data is presented as mean ± standard error, ^†data is presented as odds ratio (95% confidence interval). Bold values denote statistical significance at p-value < 0.05.

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