Outcome variable: carriage of PCV7 serotypes (N = 724)

Crude OR

95% CI

P

Adjusted OR

95% CI

P

Age in months

≥12 mo vs < 12 mo

1.268

0.672 - 2.395

0.464

1.580

0.740 - 3.376

0.238

Gender

Male vs Female

0.904

0.481 - 1.697

0.753

0.849

0.444 - 1.625

0.622

Daycare attendance

Attending vs Not attending

1.166

0.559 - 2.433

0.682

1.073

0.459 - 2.505

0.871

Sibiling

Has vs Non

9.261^*

2.832 - 30.285

< 0.001

8.184^*

2.484 - 26.963

< 0.001

PCV7 status

1 - 3 shots vs non-vaccination

0.418^*

0.209 - 0.837

0.014

0.491

0.240 - 1.003

0.051

4 shots vs non-vaccination

0.247

0.031 - 1.954

0.185

0.240

0.028 - 2.036

0.191