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Table 4 Relationship of socio-demographic variables and social-psychological factors with the daughters’ HPV vaccination intention

From: Determinants of HPV vaccination intentions among Dutch girls and their mothers: a cross-sectional study

Variables

Univariate simple regression analysis among 75% of the daughters (n = 482)

Multivariate backward regression analysis among 75% of the daughters (n = 452)

Multivariate backward regression analysis among 25% of the daughters (n = 147)

Mean (standard deviation) or percentage

Association1

Beta (standard error)

Standardized Beta

Beta (standard error)

Standardized Beta

HPV vaccination uptake

 

.35**

0.36 (0.14)

.09*

0.92 (0.25)

.23**

Has not received three HPV-injections (reference)

52

     

Has received three HPV-injections

48

     

Sample

 

.00

0.15 (0.13)

.04

0.11 (0.23)

.03

Praeventis (reference)

64

     

Online panel

36

     

Socio-demographic variables

      

Age

13.51 (0.51)

.00

    

Educational level daughter

 

.00

    

Low (reference)

59%

     

Intermediate

41%

 

0.22 (0.12)

.06

−0.11 (0.21)

-.03

Highest completed level of education of parents

 

.00

    

Low (reference)

22%

     

Intermediate

32%

 

0.08 (0.15)

.02

0.18 (0.24)

.04

High

46%

 

0.04 (0.15)

.01

0.31 (0.23)

.08

Country of birth mother

 

.00

    

The Netherlands (reference)

74%

     

Surinam/Antilles

7%

 

0.05 (0.24)

.01

0.08 (0.41)

.01

Turkey/Morocco

15%

 

−0.09 (0.19)

-.02

0.25 (0.34)

.04

Other

4%

 

0.08 (0.26)

.01

−1.18 (0.45)

-.13

Country of birth daughter

 

.00

    

The Netherlands (reference)

92%

     

Surinam/Antilles

2%

 

−0.74 (0.43)

-.05

−0.03 (0.59)

−0.00

Turkey/Morocco

3%

 

0.21 (0.33)

.02

-

-

Other

3%

 

0.35 (0.33)

.03

1.62 (0.56)

.13*

Protestant religion

 

.02*

    

No (reference)

82%

     

Yes

19%

 

0.02 (0.13)

.00

−0.15 (0.23)

-.03

Social psychological variables

      

Knowledge about the HPV vaccination

3.59 (2.41)

.00

    

Risk perception (having received no HPV vaccination)

−0.61 (1.39)

.23**

0.19 (0.04)

.13**

  

Risk perception (having received the HPV vaccination)

−1.49 (1.22)

.00

    

Attitude towards the HPV vaccination

2.43 (6.02)

.62**

0.12 (0.01)

.37**

0.14 (0.03)

.39**

Negative outcome expectations of the HPV vaccination

5.66 (4.71)

.09**

    

Positive outcome expectations of the HPV vaccination

−1.02 (4.17)

.10**

    

Anticipated regret about rejecting the HPV vaccination

3.24 (1.43)

.27**

  

0.24 (0.08)

.17*

Anticipated regret about receiving the vaccination

3.11 (1.52)

.09**

    

Beliefs about the HPV vaccination

2.11 (8.31)

.47**

0.05 (0.01)

.21**

  

Relative effectiveness of the HPV vaccination

−2.45 (2.61)

.36**

    

Ambivalence towards the HPV vaccination decision

−0.11 (4.64)

.00

    

Confidence in authorities involved in the HPV vaccination

1.46 (3.49)

.29**

    

Subjective norms towards the HPV vaccination

13.87 (18.60)

.46**

0.02 (0.00)

.15**

0.03 (0.01)

.23*

Descriptive norms towards the HPV vaccination

4.51 (1.42)

.11**

    

Self-efficacy expectations towards the HPV vaccination

1.43 (4.70)

.06**

    

HPV vaccination information processing

1.00 (3.16)

.03**

    

Habit strength towards the HPV vaccination

−0.28 (3.02)

.32**

0.08 (0.02)

.12**

  

Decisional conflict about the HPV vaccination – value clarity

1.92 (3.99)

.02*

    

Decisional conflict about the HPV vaccination – certainty

2.06 (4.12)

.01

    

Opinion about alternative medicine

−0.28 (1.65)

.00

    

Past experience of the mother with cervical cancer

 

.00

    

No (reference)

98%

     

Yes

2%

     

Past experience of the mother with other cancer forms

 

.00

    

No (reference)

96%

     

Yes

4%

     

Past experience of the mother with abnormal pap smear

 

.00

    

No (reference)

92%

     

Yes

8%

     

Past experience of someone from the close environment with cervical cancer

 

.00

    

No (reference)

87%

     

Yes

13%

     

Past experience of someone from the close environment with other cancer forms

 

.00

    

No (reference)

22%

     

Yes

78%

     

Past experience of someone from the close environment with abnormal pap smear

 

.01

    

No (reference)

86%

     

Yes

14%

     

Model fit for multivariate models

      

R2 of HPV vaccination uptake

   

.36

 

.49

R2 change of HPV vaccination uptake

   

.36

 

.49

F change of HPV vaccination uptake

   

257.28**

 

137.34**

R2 of HPV vaccination uptake + sample

   

.36

 

.49

R2 change of HPV vaccination uptake + sample

   

.00

 

.00

F change of HPV vaccination uptake + sample

   

0.16

 

0.58

R2 of HPV vaccination uptake + sample + socio-demographic variables

   

.38

 

.54

R2 change of HPV vaccination uptake + sample + socio-demographic variables

   

.02

 

.05

F change of HPV vaccination uptake + sample + socio-demographic variables

   

1.41

 

1.54

R2 of HPV vaccination uptake + sample + socio-demographic + social-psychological variables

   

.73

 

.77

R2 change of HPV vaccination uptake + sample + socio-demographic + social-psychological variables

   

.34

 

.24

F change of HPV vaccination uptake + sample + socio-demographic + social-psychological variables

   

109.17**

 

45.91**

  1. Notes 1) R**2; Mothers received questions about the HPV vaccination of their daughter, whereas daughters answered questions about the HPV vaccination of themselves; *p < .01; **p < .001.