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Table 4 Summary of findings

From: Determinants of influenza vaccine hesitancy among pregnant women in Europe: a systematic review

Authors

Year

Country

Sample size

Vaccine hesitancy measures used

Main determinants of influenza vaccine hesitancy

Blanchard-Rohner et al.

2012

Switzerland

261

Self-reported vaccine uptake (yes/no)

Lack of information by health care professionals

Belief that vaccine is unsafe during pregnancy

Anti-vaccine attitude

Bödeker et al.

2014

Germany

1030

Self-reported vaccine uptake (yes/no)

Lack of trust in vaccine

Belief that vaccine is not necessary

Lack of knowledge about the importance during pregnancy

Anti-vaccine attitude

Bödeker et al.

2015

Germany

838

Self-reported vaccine uptake (yes/no)

That flu shot is not necessary

Lacking awareness of influenza vaccination recommendations for pregnant women

Mistrust in vaccine

Descamps et al.

2019

France

11,752

Self-reported vaccine uptake (yes/no)

Multiparity

Less than postgraduate education

Maltezou et al.

2019

Greece

304

Self-reported vaccine uptake (yes/no)

Fear of adverse events (for them or the fetus)

Influenza vaccination is not necessary

No risk to get influenza

Against all vaccinations

Maurici et al.

2015

Italy

309

Self-reported vaccine uptake (yes/no)

No need for the vaccination

Opposition to vaccination

Flu shot not recommended

O’Shea et al.

2018

Ireland

198

Self-reported vaccine uptake (yes/no)

Lack of recommendation by health care providers

Lack of knowledge

Prospero et al.

2019

Italy

266

Self-reported vaccine uptake (yes/no)

Drug objection

Low risk perception

Tuells et al.

2018

Spain

1569

Self-reported vaccine status

Unawareness of vaccine recommendation

Belief that vaccination is not necessary

Vila-Candel et al.

2016

Spain

200

Medical records, immunization registry, and self-reported

Underestimation of personal risk

Lack of information

Wilcox et al.

2019

England

314

Self-reported vaccine uptake (yes/no)

Concerns about side-effects

Doubts about effectiveness

Doubts about need

  1. Overview of the studies considered in the systematic review. Authors, year of publication, country of study collection, and number of participants are listed. Measurements of vaccine hesitancy are listed. Determinants were considered important when the authors of the original papers listed them in their discussion of the results