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. 2013 May 14;13:21. doi: 10.1186/1472-6831-13-21

Table 6.

Enamel hypoplasia regressed on early- and current life course factors

 
 
Logistic regression
Poisson
 
 
Step I
Step II
Step III
 
 
 
Nagelkerkes R2 = 0.224
Nagelkerkes R2 =0.239
Nagelkerkes R2 = 0.257
Adjusted RR (95% CI)c
    OR (95% CI) OR (95% CI) OR (95% CI)  
Level I
 
 
 
 
 
Sex
Male
1.0
1.0
1.0
1.8(0.9-3.6)
Female
0.4(0.2-1.1)
0.4(0.2-1.1)
0.4(0.2-1.1)
1.0
Child age
6-12 months
1.0
1.0
1.0
1.0(0.2-4.8)
13-24 months
1.4(0.3-5.1)
0.7(0.1-3.8)
0.4(0.1-2.6)
0.5(0.2-1.3)
25-36 months
6.5(1.8-23.0)
2.2(0.3-14.8)
1.1(0.1-8.9)
1.0
Mother’s perception on child size at birth
Smaller
1.0
1.0
1.0
1.1(0.3-3.4)
Average
0.3(0.1-1.1)
0.3(0.1-1.2)
0.3(0.1-1.2)
0.4(0.2-1.1)
Larger
0.8(0.1-4.0)
0.9(0.1-4.7)
1.0(0.2-5.2)
1.0
Household assets index
1st quartile-least poor
1.0
1.0
1.0
0.9(0.3-2.5)
2nd quartile
0.8(0.2-2.6)
0.8(0.2-2.6)
0.7(0.2-2.4)
0.7(0.2-1.9)
3rd quartile
0.8(0.3-2.8)
0.8(0.2-2.7)
0.7(0.2-2.6)
0.7(0.2-2.2)
4th quartile- poorest
1.2(0.3-4.4)
1.2(0.3-4.3)
1.1(0.2-4.1)
1.0
Illness episode
Few
1.0
1.0
1.0
0.7(0.2-2.1)
Many
1.4(0.4-4.5)
1.5(0.5-4.9)
1.5(0.5-5.1)
1.0
Birth weight
less than 2500 g
1.0
1.0
1.0
2.9(1.4-6.1)
 
More than 2500 g
0.2(0.1-0.7)
0.2(0.1-0.8)
0.2(0.1-0.7)
1.0
Level II
 
 
 
 
 
Breast feeding
No
 
1.0
1.0
2.2(0.6-8.1)
Yes
 
0.3(0.7-1.5)
0.4(0.1-1.8)
1.0
Level III
 
 
 
 
 
Presence of visible plaque No
 
 
1.0
0.3(0.1-1.6)
Yes     3.3(0.7-15.0) 1.0

c: reference category: the last category by default.