Table 3 Results of multinomial multivariable logistic regression analysis: determinants of rotavirus vaccine uptake, non-uptake of rotavirus vaccine, and uncertainty of vaccination status of the youngest child among the respondents (n = 711)

Parent’s gender

 Male

52.2%

Ref.

26.3%

Ref.

21.6%

Ref.

 Female†

65.3%

13.1*

5.6, 20.5

23.4%

−2.8

−9.4, 3.7

11.3%

−10.3*

−16.1, − 4.4

Parent’s age group, y

 18–34

57.3%

Ref.

26.8%

Ref.

15.9%

Ref.

 35–44

67.2%

9.9*

2.4, 17.4

19.4%

−7.3*

−13.9, − 0.8

13.4%

−2.5

−8.2, 3.1

 ≥ 45

44.1%

−13.2*

−24.9, − 1.5

36.8%

10.1*

0.0, 20.2

19.1%

3.2

−5.8, 12.1

NUTS statistical region

 Northwestern Italy

61.9%

Ref.

21.0%

Ref.

17.1%

Ref.

 Northeastern Italy

63.6%

1.7

−9.4, 12.8

23.5%

2.5

−7.2, 12.2

12.9%

−4.2

−12.4, 4.0

 Central Italy

55.7%

−6.2

−16.3, 3.9

32.7%

11.7*

2.4, 20.9

11.6%

−5.5

−12.7, 1.8

 Southern Italy

62.2%

0.3

−9.3, 9.9

22.6%

1.6

−6.7, 9.8

15.2%

−1.9

−9.3, 5.5

 Insular Italy

56.7%

−5.1

−17.9, 7.6

22.6%

1.6

−9.6, 12.9

20.6%

3.5

−7.0, 14.1

Degree of urbanization‡

 City

54.9%

Ref.

27.9%

Ref.

17.1%

Ref.

 Town or suburb

64.6%

9.7*

2.1, 17.3

22.7%

−5.3

−12.1, 1.5

12.7%

−4.4

−10.1, 1.2

 Rural area

62.4%

7.5

−3.5, 18.6

20.0%

−7.9

−17.4, 1.5

17.6%

0.4

−8.2, 9.1

Parent’s educational attainment

 Post-graduate/Doctorate degree

52.8%

Ref.

33.1%

Ref.

14.1%

Ref.

 Academic degree

56.2%

3.4

−9.4, 16.2

28.8%

−4.3

−16.4, 7.8

15.1%

0.9

−8.5, 10.3

 High school diploma

64.5%

11.7

−0.3, 23.7

21.3%

−11.8

−23.5, 0.0

14.2%

0.1

−8.7, 8.8

 Less than high school diploma

56.5%

3.7

−13.2, 20.6

19.1%

−13.9

−28.6, 0.7

24.4%

10.2

−3.6, 24.0

Child’s gender

 Male

62.7%

Ref.

23.3%

Ref.

14.0%

Ref.

 Female

57.5%

−5.2

−12.2, 1.8

25.8%

2.5

−3.7, 8.8

16.7%

2.7

−2.6, 8.0

Child’s age group

 6 wk to 5 m

59.4%

Ref.

20.8%

Ref.

19.8%

Ref.

 6 m to 3 y

60.4%

1.0

−9.3, 11.3

25.1%

4.3

−4.2, 12.9

14.5%

−5.3

−13.7, 3.0

Dear ones’ views on vaccination in general

 Very favorable

68.2%

Ref.

21.6%

Ref.

10.2%

Ref.

 Favorable

66.1%

−2.1

−11.5, 7.3

19.0%

−2.5

−10.7, 5.6

14.8%

4.6

−2.0, 11.3

 Quite favorable

54.2%

−14.0*

−23.3, − 4.7

25.8%

4.3

−4.1, 12.6

19.9%

9.7*

2.8, 16.6

 Quite to very unfavorable

51.2%

−17.0*

−28.5, − 5.6

35.5%

13.9*

3.2, 24.7

13.3%

3.1

−4.7, 10.8