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Table 4 Association between blood lead level (quartiles) and oral health parameters

From: Lead exposure may affect gingival health in children

 

Model 1

Model 2

Model 3

OR

95%CI

OR

95%CI

OR

95%CI

CPI (outcome)

Lead level

Quartile I

Ref.

 

Ref.

 

Ref.

 

Quartile II

2.37

0.79-7.18

3.14

0.93-10.55

3.44

1.00-11.90

Quartile III

5.24

1.48-18.56

7.66

1.84-31.91

7.21

1.72-30.19

Quartile IV

1.59

0.57-4.47

2.38

0.69-8.21

2.65

0.75-9.44

GI (outcome)

Leadlevel

Quartile I

Ref.

 

Ref.

 

Ref.

 

Quartile II

2.44

0.86-6.88

3.29

1.06-10.19

3.58

1.12-11.40

Quartile III

4.35

1.36-1.90

6.80

1.80-25.68

6.13

1.62-23.19

Quartile IV

1.57

0.59-4.19

2.50

0.77-8.19

2.81

0.83-9.47

PI (outcome)

Leadlevel

Quartile I

Ref.

 

Ref.

 

Ref.

 

Quartile II

1.90

0.73-4.95

1.66

0.61-4.52

1.60

0.58-.40

Quartile III

4.17

1.50-11.54

3.41

1.12-10.40

3.37

1.10-10.34

Quartile IV

3.14

1.14-8.41

2.47

0.80-7.60

2.37

0.76-7.38

  1. Model 1: Unadjusted model
  2. Model 2: Model adjusted for age and gender
  3. Model 3: Model adjusted for age, gender, parent education level, and frequency of tooth brushing
  4. Abbreviations: CI confidence interval, CPI community periodontal index, GI gingival index, PI plaque index, OR odds ratio, Ref reference quartile
  5. Italics are statistically significant (p<0.05)
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BMC Oral Health

ISSN: 1472-6831

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