|
Adjusted factors
|
Aboriginality
|
Any otopathogena
|
S.
pneumoniae
|
M.
catarrhalis
|
H.
influenzae
|
S.
aureus
|
|---|
| |
OR (95%CI)b
|
OR (95%CI)
|
OR (95%CI)
|
OR (95%CI)
|
OR (95%CI)
|
|---|
|
Sex and Age only
|
Aboriginal
|
3.86 (1.61-9.24)
|
1.39 (0.64-3.01)
|
1.97 (0.89-4.39)
|
5.32 (2.12-13.35)
|
0.64 (0.26-1.56)
|
|
Non-Aboriginal
|
1.47 (0.80-2.71)
|
1.12 (0.50-2.47)
|
2.57 (1.35-4.91)
|
1.1 (0.36-3.42)
|
1.02 (0.58-1.77)
|
|
Presence of other bacteria
|
Aboriginal
|
3.68 (1.51-8.96)
|
0.86 (0.39-1.93)
|
1.72 (0.74-3.96)
|
5.32 (1.95-14.49)
|
0.6 (0.25-1.47)
|
|
Non-Aboriginal
|
1.48 (0.80-2.72)
|
0.77 (0.32-1.88)
|
2.81 (1.40-5.61)
|
0.96 (0.33-2.83 )
|
1.06 (0.61-1.86)
|
|
Environmental factors
c
|
Aboriginal
|
2.54 (0.93-6.93)
|
1.14 (0.49-2.65)
|
0.81 (0.29-2.27)
|
3.66 (1.31-10.25)
|
0.54 (0.22-1.33)
|
|
Non-Aboriginal
|
1.41 (0.78-2.55)
|
1.07 (0.51-2.28)
|
2.42 (1.31-4.48)
|
0.87 (0.32-2.39)
|
1.06 (0.58-1.93)
|
|
All confounders
|
Aboriginal
|
2.44 (0.88-6.78)
|
0.84 (0.32-2.17)
|
1.02 (0.34-3.10)
|
3.71 (1.22-11.23)
|
0.52 (0.20-1.33)
|
|
Non-Aboriginal
|
1.42 (0.78-2.56)
|
0.81 (0.33-2.00)
|
2.63 (1.32-5.23)
|
0.80 (0.30-2.09)
|
1.05 (0.58-1.91)
|
- All associations adjusted for sex, age and age2.
-
a Any otopathogen includes one or more of S. pneumoniae, nontypeable Haemophilus influenzae and Moraxella catarrhalis.
-
b Odds ratio and 95% confidence interval comparing the odds of diagnosis of OM between those who carried the respective organisms at age 1- < 3 months and those who did not.
-
c Environmental factors are: passive smoking, crowding, other children living in the house and also exclusive breast-feeding at 6–8 weeks.
