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Table 2 Potential determinants for reporting not to have participated in the NIPa (N = 4506) and population attributable fractions (PAF)

From: Participation in and attitude towards the national immunization program in the Netherlands: data from population-based questionnaires

Variable (N)

Reported

Crudeb

Adjusted

PAF in %

 

nonparticipation in the NIP in %

OR (95% CI)

OR (95% CI)

(95% CI)

Age (yrs)

    

0-4 (1385)

3

1.7 (0.8-3.7)

1.4 (0.6-3.1)

 

5-9 (660)

7

2.7 (1.2-6.0)

2.0 (0.9-4.5)

 

10-29 (1470)

3

3.0 (1.4-6.2)

2.3 (1.1-4.9)

 

30-44 (991)

1

Reference

Reference

 

Gender

    

Men (2051)

3

Reference

Reference

 

Women (2455)

3

1.1 (0.8-1.6)

1.1 (0.7-1.5)

 

Ethnicity

    

Indigenous Dutch (3640)

2

Reference

Reference

 

Other Western (226)

2

1.4 (0.5-3.5)

1.4 (0.5-3.8)

 

Moroccan and Turkish (200)

19

11.7 (6.8-20.1)

7.1 (2.5-20.1)

21.5 (4.3-36.7)

Antilles and Aruba and Surinam (223)

6

3.1 (1.5-6.1)

3.3 (1.5-7.1)

4.4 (-1.0-11.7)

Other non-Western (217)

8

4.5 (2.4-8.2)

3.3 (1.6-7.1)

6.1 (-1.2-14.4)

Religion

    

Reformed Congregations (59)

17

12.5 (5.2-30.1)

15.2 (6.1-37.8)

7.4 (0.1-18.4)

Reformed Bonders (129)

6

4.2 (1.7-10.4)

4.8 (1.9-12.1)

5.2 (0.1-13.1)

Other specific Protestant Church (805)

2

Reference

Reference

 

Catholics (1183)

1

0.8 (0.4-1.6)

0.8 (0.4-1.6)

 

Muslims (281)

16

1.4 (0.6-3.8)

1.2 (0.5-3.3)

 

Other religionc (204)

7

2.2 (1.0-4.9)

1,7 (0.7-3.9)

 

No religion (1845)

2

0.8 (0.4-1.5)

0.7 (0.4-1.4)

 

Degree of urbanization

    

Very high (963)

6

Reference

Reference

 

High (1998)

2

0.8 (0.5-1.3)

0.6 (0.4-1.0)

 

Moderate (570)

2

0.9 (0.4-1.9)

0.6 (0.3-1.4)

 

Low (452)

2

1.1 (0.4-3.3)

1.3 (0.4-4.2)

 

Very low (523)

3

1.1 (0.6-2.2)

1.1 (0.5-2.2)

 

Region

    

Northeast (1023)

3

Reference

Reference

 

Central (843)

2

0.8 (0.3-1.9)

0.6 (0.2-1.6)

 

Northwest (1017)

5

1.0 (0.6-1.8)

0.8 (0.5-1.5)

 

Southwest (808)

4

1.2 (0.6-2.3)

1.0 (0.5-1.9)

 

Southeast (815)

2

0.6 (0.3-1.2)

0.7 (0.3-1.5)

 

No. of persons in household

    

1 (203)

2

0.8 (0.2-2.7)

  

2 (516)

1

0.6 (0.3-1.3)

  

3 (990)

3

1.2 (0.7-1.9)

  

4 (1718)

2

Reference

  

> 4 (1079)

5

1.4 (0.9-2.1)

  

Educational level d

    

Low (317)

13

2.1 (1.2-3.7)

2.5 (1.3-4.6)

13.7 (-1.2-29.7)

Moderate (2123)

3

1.1 (0.7-1.7

1.4 (0.9-2.2)

 

High (2066)

2

Reference

Reference

 

Net monthly household income e

    

Low (569)

9

2.1 (1.1-4.1)

1.9 (1.0-4.0)

13.1 (-8.1-32.1)

Moderate (2051)

2

1.0 (0.5-1.8)

0.8 (0.4-1.6)

 

High (936)

2

Reference

Reference

 

Won't answer/missing answer (950)

2

0.97 (0.5-1.9)

0.9 (0.4-1.9)

 

Anthroposophy

    

Yes (46)

28

27.0 (12.8-57.0)

39.2 (17.5-87.9)

8.4 (2.3-17.6)

No (4460)

3

Reference

Reference

 

Homeopathy

    

Yes (75)

5

2.6 (0.9-7.5)

  

No (4431)

3

Reference

  

Other alternative medicine

    

Yes (36)

8

2.6 (0.7-9.3)

  

No (4470)

3

Reference

  

Religious belief

    

Yes (82)

17

9.5 (4.8-18.6)

  

No (4424)

3

Reference

  

Other ideas influencing vaccination

    

Yes (189)

3

1.4 (0.6-3.3)

  

No (4317)

3

Reference

  
  1. aThe reference category is reporting "yes" at the question whether they (had) participated in the NIP
  2. bCrude odds ratios were adjusted for age, gender, ethnicity, degree of urbanization and region
  3. cOther religion included: Judaism, Buddhism and Hinduism
  4. dLow educational level included no education and primary education; middle educational level included junior technical school, lower general secondary education and intermediate vocational education; and high educational level included senior/higher secondary education, pre-university education and university
  5. eNet monthly income was categorized as low (less than € 1.150, which is less than € 1.167 by Statistic Netherlands); middle (€ 1.151-€ 3.050, which is € 1.168-€ 2.917 by Statistic Netherlands); high (more than € 3.051, which is more than € 2.918 by Statistic Netherlands); and a won't answer/missing answer category was included. Statistics Netherlands available at www.cbs.nl
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