TABLE 3.

Univariate‐adjusted odd ratio for urolithiasis among the cohort aged >18 years

Variable	Subjects		p value	Odd ratio (95% CI)
	No urolithiasis	Urolithiasis present
Personal history of urolithiasis			0	0.16(0.06, 0.42)
Yes	26 (81.2%)	6 (18.8%)
No	1017 (96.4%)	38 (3.6%)
Family history of urolithiasis			0.018	0.39 (0.18, 0.88)
Yes	84 (91.3%)	8 (8.7%)
No	959 (96.4%)	36 (3.6%)
Hypertension			0.077	1.77(0.93, 3.39)
Yes	570 (95.0%)	30 (5.0%)
No	473 (97.1%)	14 (2.9%)
Prefer salty food			0.002	0.39 (0.21, 0.73)
Yes	402 (93.7%)	27 (6.3%)
No	641 (93.3%)	17 (6.7%)