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Table 1 Difference in measles vaccination coverage among children born in Norway to Somali immigrants, 2000-2016

From: Measles vaccine coverage among children born to Somali immigrants in Norway

Covariates

Group size

n (%)

Percent point difference in coverage

95% confidence intervals

p-value

Mother’s time in Norway

  < 2 years

2534 (23)

Reference

  

 3 to 5 years

3463 (32)

−1.0

− 2.7 to 0.7

0.252

  ≥ 6 years

4926 (45)

− 6.7

−8.4 to − 5.0

< 0.001

Residential area

 Norway, other

6015 (55)

Reference

  

 Oslo county

3230 (30)

−6.5

−8.0 to −4.9

< 0.001

 Akershus county

1678 (15)

−3.4

−5.2 to −1.6

< 0.001

Gender - birth year interaction

 Girlsa

 

Reference

  

 Boys born in 2000

160 (54)

0.8

−2.0 to 3.6

0.571

 Boys born in 2004

248 (47)

−0.9

−2.8 to 1.0

0.373

 Boys born in 2008

370 (50)

−2.5

−3.8 to −1.2

< 0.001

 Boys born in 2012

396 (49)

−4.2

−5.6 to −2.7

< 0.001

 Boys born in 2016

398 (51)

−5.9

−8.1 to −3.6

< 0.001

Birth year (trend, showing difference per year)

 Girls

5282 (48)

−0.2

−0.4 to − 0.0

0.022

 Boys

5641 (52)

−0.7

−0.8 to − 0.5

< 0.001

  1. aGirls born in the corresponding year
  2. Multivariable linear regression to calculate the difference in measles vaccination coverage among children born in Norway to Somali immigrants, 2000-2016, by year of birth, gender, mothers’ time in Norway and residential area. Mothers’ time in Norway was missing for 411 children. These were excluded from the regression analysis, n=10923