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Table 4 Univariable analysis and multivariable analysis of associated factors for influenza vaccine uptake in the subsidized group in Guangdong Province, China, 2020–2021 (N = 300)

From: Influenza vaccine uptake among children and older adults in China: a secondary analysis of a quasi-experimental study

Explanatory variables

Crude OR

(95% CI)

P-value*

Adjusted OR

(95% CI) †

P value‡

Sociodemographic factors

    

Participant type§

    

 Children’s caregiver

Ref.

< 0.0001

Ref.

< 0.001

 Older people

0.27 (0.15, 0.47)

0.17 (0.08, 0.36)

Age

0.97 (0.95, 0.98)

< 0.0001

-

-

Sex§

    

 Male

Ref.

0.823

Ref.

0.066

 Female

0.94 (0.52, 1.68)

0.47 (0.21, 1.05)

Completed highest education level

    

 Primary school

Ref.

0.265

-

-

 Middle school

1.05 (0.54, 2.04)

-

 Undergraduate or above

1.68 (0.80, 3.53)

-

Occupation

    

 Unemployed/retired

Ref.

0.004

-

-

 Farmer

2.29 (0.89, 5.87)

-

 Employed

2.73 (1.46, 5.10)

-

Marital status§

    

 Single

Ref.

0.613

Ref.

0.046

 Married or living with a partner

0.81 (0.35, 1.85)

0.32 (0.10, 0.98)

Belief factors

    

Importance of influenza vaccine

    

 Disagree

Ref.

0.719

-

-

 Agree

0.88 (0.44, 1.75)

-

Safety of influenza vaccine

    

 Disagree

Ref.

< 0.0001

-

-

 Agree

4.44 (2.41, 8.17)

-

Effectiveness of influenza vaccine§

    

 Disagree

Ref.

< 0.0001

Ref.

< 0.0001

 Agree

7.36 (3.96,13.69)

12.18(5.21,28.50)

Trust the advice from medical personnel on influenza vaccine§

    

 No

Ref.

< 0.0001

Ref.

0.001

 Yes

7.88(3.89, 15.93)

4.95 (1.99, 12.43)

View the price of vaccines as barriers§

    

 No

Ref.

0.330

Ref.

0.011

 Yes

1.40 (0.71, 2.74)

3.35 (1.32, 8.41)

Enabling factors

    

Annual income (USD)

    

 < 1860

Ref.

0.711

-

-

 1860 ~ 9300

0.91 (0.49, 1.67)

-

 9300 ~ 1,8600

1.04 (0.48, 2.25)

-

 ≥ 1,8600

0.69 (0.53, 4.88)

-

Community resources

    

 Yangshan (rural)

Ref.

0.067

-

-

 Zengcheng (suburban)

0.55 (0.28, 1.10)

-

 Tianhe (urban)

0.46 (0.23, 0.89)

-

Need factors

    

Experienced influenza-like illnesses among family members in the past year§

    

 No

Ref.

0.002

Ref.

0.002

 Yes

10.52(1.41,78.69)

46.52(4.10,533.78)

Adverse reactions to influenza vaccination of family members

    

 No

Ref.

0.143

-

-

 Yes

0.48 (0.16, 1.39)

-

Behavior factors

    

Influenza vaccine history of children in the family

    

 No

Ref.

0.272

-

-

 Yes

1.36 (0.79, 2.36)

-

Influenza vaccine history of older adults in the family

    

 No

Ref.

0.071

-

-

 Yes

1.29 (0.94, 5.14)

-

External environment factors

    

Heard about negative information about influenza vaccine

    

 No

Ref.

0.374

-

-

 Yes

0.77 (0.44, 1.36)

-

Have friends/relatives object to the influenza vaccination

    

 No

Ref.

1.000

-

-

 Yes

1.00 (0.35, 2.85)

-

  1. * P value for univariable analysis
  2. † Adjusted odds ratio: odds ratio adjusted for other covariates including participant type, sex, perceived vaccination effectiveness, trust in advice from healthcare personnel, perception of vaccination price and vaccination history of children and older people in the family in the multivariable logistic model
  3. ‡ P value for multivariable analysis
  4. § Variables entered multivariable logistic model
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BMC Infectious Diseases

ISSN: 1471-2334

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