Table 4 Risk factors for the carriage of Neisseria meningitidis serogroup Y

Sex

Female

3730

2.92

1

Male

2956

3.52

1.21 [0.98–1.50]

0.070

Age

1–4

1630

1.78

1

5–9

2088

3.64

2.09 [1.39–3.14]

0.004

10–14

1504

3.79

2.17 [1.03–4.59]

0.043

15 and older

1464

3.48

1.99 [1.26–3.13]

0.009

Yes

2452

2.94

1

No

4234

3.33

1.14 [0.78–1.67]

0.445

Schooling

Yes

1358

3.17

1

No

2984

3.95

1.26 [0.92–1.73]

0.128

Vaccination

No

2032

3.10

1

Yes

4579

3.25

1.05 [0.74–1.49]

0.747