Table 3.

Association between self-reported snoring and hyperuricaemia

Variables	NO	Occasionally		Frequently
	OR (95% CI)	OR (95% CI)	P value	OR (95% CI)	P value
Age
<45
Model 1	1.00 (reference)	2.21 (1.89 to 2.60)	<0.001	4.42 (3.72 to 5.25)	<0.001
Model 2	1.00 (reference)	1.51 (1.28 to 1.79)	<0.001	2.44 (2.03 to 2.94)	<0.001
Model 3	1.00 (reference)	1.49 (1.26 to 1.77)	<0.001	2.38 (1.97 to 2.88)	<0.001
Model 4	1.00 (reference)	1.16 (0.96 to 1.39)	0.13	1.32 (1.07 to 1.63)	0.01
45–59
Model 1	1.00 (reference)	1.59 (1.37 to 1.85)	<0.001	2.47 (2.14 to 2.85)	<0.001
Model 2	1.00 (reference)	1.33 (1.14 to 1.55)	<0.001	1.88 (1.62 to 2.18)	<0.001
Model 3	1.00 (reference)	1.29 (1.11 to 1.50)	0.00	1.83 (1.57 to 2.12)	<0.001
Model 4	1.00 (reference)	1.09 (0.92 to 1.28)	0.32	1.23 (1.04 to 1.45)	0.02
>59
Model 1	1.00 (reference)	1.28 (1.07 to 1.52)	0.01	1.60 (1.36 to 1.88)	<0.001
Model 2	1.00 (reference)	1.25 (1.05 to 1.48)	0.01	1.59 (1.35 to 1.87)	<0.001
Model 3	1.00 (reference)	1.22 (1.03 to 1.46)	0.03	1.58 (1.34 to 1.87)	<0.001
Model 4	1.00 (reference)	1.18 (0.98 to 1.42)	0.09	1.33 (1.11 to 1.58)	0.00
Gender
Male
Model 1	1.00 (reference)	1.37 (1.22 to 1.54)	<0.001	1.75 (1.56 to 1.96)	<0.001
Model 2	1.00 (reference)	1.30 (1.15 to 1.47)	<0.001	1.79 (1.59 to 2.00)	<0.001
Model 3	1.00 (reference)	1.25 (1.11 to 1.41)	<0.001	1.71 (1.52 to 1.93)	<0.001
Model 4	1.00 (reference)	1.08 (0.94 to 1.23)	0.28	1.24 (1.08 to 1.41)	0.00
Female
Model 1	1.00 (reference)	1.56 (1.34 to 1.81)	<0.001	2.62 (2.24 to 3.06)	<0.001
Model 2	1.00 (reference)	1.42 (1.22 to 1.65)	<0.001	2.13 (1.81 to 2.50)	<0.001
Model 3	1.00 (reference)	1.43 (1.22 to 1.66)	<0.001	2.13 (1.81 to 2.51)	<0.001
Model 4	1.00 (reference)	1.21 (1.03 to 1.42)	0.02	1.33 (1.12 to 1.59)	0.00
BMI
<24
Model 1	1.00 (reference)	1.48 (1.25 to 1.76)	<0.001	1.96 (1.61 to 2.40)	<0.001
Model 2	1.00 (reference)	1.22 (1.02 to 1.45)	0.03	1.39 (1.12 to 1.71)	0.00
Model 3	1.00 (reference)	1.20 (1.00 to 1.43)	0.05	1.36 (1.10 to 1.68)	0.00
Model 4	1.00 (reference)	1.13 (0.94 to 1.36)	0.19	1.16 (0.93 to 1.45)	0.19
24–27.9
Model 1	1.00 (reference)	1.43 (1.25 to 1.64)	<0.001	1.84 (1.61 to 2.10)	<0.001
Model 2	1.00 (reference)	1.21 (1.05 to 1.39)	0.01	1.50 (1.30 to 1.73)	<0.001
Model 3	1.00 (reference)	1.19 (1.03 to 1.37)	0.02	1.48 (1.28 to 1.70)	<0.001
Model 4	1.00 (reference)	1.15 (0.99 to 1.33)	0.06	1.35 (1.16 to 1.56)	<0.001
≥28
Model 1	1.00 (reference)	1.42 (1.16 to 1.74)	0.00	1.68 (1.40 to 2.02)	<0.001
Model 2	1.00 (reference)	1.30 (1.06 to 1.61)	0.01	1.47 (1.22 to 1.78)	<0.001
Model 3	1.00 (reference)	1.30 (1.05 to 1.61)	0.02	1.47 (1.21 to 1.79)	<0.001
Model 4	1.00 (reference)	1.25 (1.00 to 1.55)	0.05	1.41 (1.15 to 1.73)	0.00
Total
Model 1	1.00 (reference)	1.67 (1.52 to 1.83)	<0.001	2.50 (2.29 to 2.74)	<0.001
Model 2	1.00 (reference)	1.45 (1.32 to 1.59)	<0.001	2.03 (1.84 to 2.23)	<0.001
Model 3	1.00 (reference)	1.43 (1.30 to 1.57)	<0.001	2.00 (1.81 to 2.20)	<0.001
Model 4	1.00 (reference)	1.19 (1.07 to 1.31)	0.00	1.33 (1.19 to 1.47)	<0.001

Model 1: unadjusted model.

Model 2: adjusted for gender (when stratification by gender, it was excluded), age (when stratification by age, it was excluded), marital status, education level, residential region, employment status and household yearly income level.

Model 3: additionally adjusted for smoking status, alcohol drinking status, tea drinking status, sugar-sweetened beverage drinking status, oil intake, salt intake, energy intake, red meat intake, aquatic/sea food products intake, physical activity level, nocturnal sleep and midday nap duration.

Model 4: additionally BMI, kidney function, dyslipidaemia, diabetes and hypertension.

Bold values indicate P value <0.05 in Model 4.

BMI, body mass index.