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Table 5 Regression coefficient for the association between key determinants and vaccination intention among Dutch parents/guardians, and interaction between ethnic group and these determinants. HPV vaccination acceptability study among parents/guardians, in Amsterdam, the Netherlands, 2014

From: A longitudinal study on determinants of HPV vaccination uptake in parents/guardians from different ethnic backgrounds in Amsterdam, the Netherlands

  

Interaction effect

 

SNA vs NL

MENA vs NL

Other vs NL

Overall

NL-ß

Ƨ

p-value

Ƨ

p-value

Ƨ

p-value

p-value

Attitude

0.77

−0.09

0.307

0.10

0.070

−0.12

0.054

0.015

Beliefs

0.36

−0.12

0.268

−0.12

0.173

−0.16

0.051

0.182

Risk perception when not vaccinating

0.06

−0.10

0.113

0.08

0.119

−0.08

0.120

0.020

Relative effectiveness

0.12

−0.17

0.192

−0.03

0.735

−0.19

0.050

0.200

Subjective norms

0.44

−0.40

0.001

−0.09

0.335

−0.34

0.001

0.001

Descriptive norms

0.09

−0.06

0.383

0.01

0.806

−0.05

0.375

0.577

Ambivalence towards the decision

−0.06

−0.01

0.790

0

0.975

0

0.994

0.995

Information processing

−0.11

0.02

0.717

0.09

0.081

0.06

0.261

0.298

Evaluation of the HPV information

0.24

0.08

0.517

−0.15

0.112

−0.09

0.285

0.202

Past experience with vaccinating older daughter against HPV

 Older daughter not

REF

      

0.012

 Older daughter partially/fully vaccinated

0.95

−0.65

0.024

−0.54

0.020

−0.27

0.431

 

 No older daughter

0.81

−0.63

0.017

−0.69

0.001

−0.19

0.561

 

Past experience of someone close or him/herself with (prestage of) cervical cancer

 No

REF

      

0.093

 Yes

0.06

0.09

0.509

−0.21

0.080

0.11

0.243

 

Education

 Low

REF

      

0.282

 Intermediate

0.15

0.04

0.760

−0.02

0.868

−0.20

0.090

 

 High

0.15

0.16

0.424

−0.01

0.942

−0.19

0.103

 

Religion

 No religion

REF

      

0.187

 Religious

−0.20

0.08

0.591

0.09

0.621

0.22

0.029

 
  1. The final multivariable model contains all variables significantly associated with HPV vaccination intention in one of the ethnic groups
  2. p-values <0.05 are indicated in bold
  3. NL denotes participants with a Dutch ethnicity, SNA denotes participants with a Surinamese, Netherlands Antillean or Aruban ethnicity, MENA denotes participants with a Middle Eastern or North African ethnicity (including Turkish participants), Other denotes participants from all other ethnicities
  4. Interpretation of the coefficient of continuous determinants: if a determinant increases with one unit we expect to see an increase in intention with the coefficient specified for that determinant. For example, among the Dutch, if attitude increases with one unit, we expect intention to increase with 0.77
  5. Interpretation of the coefficient of categorical determinants: the intention to be vaccinated is ß higher or lower in the non-reference category when compared to the reference category. For example, overall, Dutch participants that are highly educated have an intention that is 0.15 higher (on the scale of −2 to +2) when compared to those participants with a low education
  6. Interpretation of ∆ß: Delta Beta is the difference in the beta in one of the non-Dutch groups when compared to the NL-group. For example, for the variable Subjective Norms, the ∆ß in the SNA-group is −0.40, indicating that the slope is 0.40 lower in the SNA-group compared to the NL-group; this is a significant effect (p = 0.001)