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Table 2 Caries experience according to 25(OH)D levels

From: A cross-sectional study on the association between vitamin D levels and caries in the permanent dentition of Korean children

Variables

Classification

Caries experience in the permanent dentition

Permanent first molar caries experience

No

Yes

P *

No

Yes

P *

Vitamin D (two classification)

<  50 nmol

476 (45.3)

562 (54.7)

0.012

501 (47.6)

537 (52.4)

0.006

≥ 50 nmol

351 (53.0)

299 (47.0)

 

366 (55.8)

284 (44.2)

 
 

ORa

0.735

  

0.721

  

Vitamin D (four classification)

<  25 nmol

27 (40.3)

39 (59.7)

0.048

29 (44.6)

37 (55.4)

0.018

≤ 25 to < 50 nmol

449 (45.7)

523 (54.3)

 

472 (47.9)

500 (52.1)

 

≤ 50 to < 75 nmol

318 (52.4)

270 (47.6)

 

330 (55.0)

258 (45.0)

 

≥ 75 nmol

33 (59.6)

29 (40.4)

 

36 (64.4)

26 (35.6)

 
  1. Units: N (%)
  2. The data were analyzed using a complex weighted sample design
  3. *P values were determined from complex samples Chi-square tests
  4. aValues are expressed as the adjusted odds ratios