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Table 5 Developmental enamel defects, DDE, regressed on early and current life course factors

From: Developmental defects of enamel in primary teeth and association with early life course events: a study of 6–36 month old children in Manyara, Tanzania

  

Logistic regression

Poisson

  

Step I

Step II

Step III

 
  

Nagelkerkes R2= 0.167

Nagelkerkes R2= 0.168

Nagelkerkes R2= 0.182

Adjusted RR (95% CI)c

  

OR (95% CI)

OR (95% CI)

OR (95% CI)

 

Level I:

     

Sex

Male

1.0

1.0

1.0

1.4(1.07-2.03)

Female

0.5(0.2- 0.8)

0.5(0.2- 0.8)

0.5(0.2- 0.8)

1.0

Child age

6-12 months

1.0

1.0

1.0

0.4(0.2-0.9)

13-24 months

2.3(1.1- 4.8)

2.1(0.9- 4.6)

1.6(0.6- 3.7)

0.6(0.4-0.9)

25-36 months

7.3(3.3-16.1)

5.9(2.1- 17.1)

4.1(1.3- 12.8)

1.0

Mother’s perception on child size at birth

Smaller

1.0

1.0

1.0

0.7(0.4-1.4)

Average

1.1(0.5-2.4)

1.1(0.4- 2.5)

1.1(0.4- 2.5)

0.7(0.5-1.3)

Larger

1.6(0.5- 5.3)

1.6(0.5- 5.5)

1.7(0.5- 5.8)

1.0

Household assets index

1st quartile-least poor

1.0

1.0

1.0

0.9(0.6-1.5)

2nd quartile

0.7(0.4- 1.5)

0.7(0.4- 1.5)

0.7(0.3- 1.4)

0.7(0.5-1.2)

3rd quartile

0.7(0.3- 1.6)

0.7(0.3- 1.6)

0.7(0.3- 1.5)

0.7(0.5-1.3)

4th quartile- poorest

1.1(0.5- 2.5)

1.1(0.5- 2.5)

1.1(0.5- 2.5)

1.0

Birth weight

Less than 2500 g

1.0

1.0

1.0

1.1(0.72-1.71)

 

More than 2500 g

0.8(0.4- 1.9)

0.8(0.4- 1.9)

0.8(0.4- 1.8)

1.0

Level II:

     

Breast feeding

No

 

1.0

1.0

1.0(0.7-1.7)

Yes

 

0.8(0.4- 1.6)

0.9(0.4- 1.9)

1.0

Level III:

     

Presence of visible plaque

No

  

1.0

0.6(0.3-1.2)

Yes

  

1.9(0.9- 4.1)

1.0

  1. c: reference category: the last category by default.