Table 4 Association of circadian syndrome with the prevalence of kidney stones based on age, gender, and race

Age (years)

 20–34

Circadian syndrome

No

Ref

Ref

Ref

Yes

0.159 (0.021,1.229)

0.081

0.152 (0.019,1.191)

0.076

0.938 (0.545, 1.615)

0.819

 35–49

Circadian syndrome

No

Ref

Ref

Ref

Yes

1.550 (0.917,2.621)

0.105

1.587 (0.923,2.729)

0.098

2.739 (1.428, 5.254)

0.004

 50–64

Circadian syndrome

No

Ref

Ref

Ref

Yes

1.694 (1.014,2.829)

0.047

1.739 (1.033,2.927)

0.040

1.329 (0.748, 2.361)

0.335

 ≥ 65

Circadian syndrome

No

Ref

Ref

Ref

Yes

1.425 (0.911,2.228)

0.124

1.451 (0.925,2.276)

0.108

1.756 (0.945, 3.263)

0.074

Gender

 Male

Circadian syndrome

No

Ref

Ref

Ref

Yes

2.021 (1.508,2.709)

< 0.001

1.358 (0.976,1.890)

0.073

1.236 (0.803, 1.904)

0.340

 Female

Circadian syndrome

No

Ref

Ref

Ref

Yes

1.623 (1.028,2.564)

0.040

1.827 (1.149,2.904)

0.013

1.604 (1.023, 2.516)

0.044

Race

 Mexican American

Circadian syndrome

No

Ref

Ref

Ref

Yes

1.886 (0.981,3.626)

0.063

1.223 (0.627,2.387)

0.558

3.834 (1.790, 8.215)

0.001

 Other Hispanic

Circadian syndrome

No

Ref

Ref

Ref

Yes

2.054 (1.153,3.658)

0.0178

2.594 (1.349,4.986)

0.006

0.757 (0.308, 1.856)

0.545

 Non-Hispanic white

Circadian syndrome

No

Ref

Ref

Ref

Yes

1.771 (1.323,2.371)

< 0.001

1.474 (1.070,2.030)

0.020

1.195 (0.837, 1.706)

0.331

 Non-Hispanic black

Circadian syndrome

No

Ref

Ref

Ref

Yes

2.550 (1.269,5.124)

0.011

1.657 (0.706,3.885)

0.251

0.535 (0.238, 1.205)

0.136

 Other races

Circadian syndrome

No

Ref

Ref

Ref

Yes

1.539 (0.635,3.730)

0.344

1.740 (0.774,3.914)

0.186

4.925 (1.776, 13.656)

0.004