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Table 3 Multiple linear regression for factors affecting the knowledge score in mothers

From: Knowledge of mothers regarding children’s vaccinations in Greece: an online cross-sectional study

Characteristics

Regression β-Coefficient (95% Confidence Interval)

p-value

Age of mother

0.00 (−0.02, 0.03)

0.55

Age of child

0.00 (−0.00, 0.00)

0.83

Marital status

 Married/in cohabitation

Ref

Ref

 Unmarried

−1.34 (−2.64, − 0.05)

0.04

 Divorced/separated/widowed

−0.36 (−1.54, 0.75)

0.50

Single parent family

0.02 (−1.04, 1.09)

0.97

Geographical area

 Attica

Ref

Ref

 Central Greece

0.01 (−0.34, 0.37)

0.95

 North Greece

−0.22 (− 0.48, 0.05)

0.11

 Crete/Aegean Islands

−0.12 (− 0.49, 0.25)

0.521

Residency

 Urban

Ref

Ref

 Rural

0.11 (−0.23, 0.45)

0.51

Educational attainment

 Primary education

Ref

Ref

 Secondary education

1.83 (0.30, 3.36)

0.02

 Higher education

2.42 (0.89, 3.95)

< 0.01

Employment status

 Private employee

Ref

Ref

 State employee

−0.05 (−0.36, 0.26)

0.75

 Freelance

−0.20 (− 0.51, 0.11)

0.21

 Unemployed

−0.15 (− 0.44, 0.14)

0.30

Income status

 None/Low income

Ref

Ref

 Medium income

0.65 (−0.07, 1.37)

0.08

 High income

0.78 (0.07, 1.50)

0.03

  1. Bold indicates statistically significant at P < 0.05
  2. Linear regression model treating knowledge as the dependent variable and each characteristic as the independent variable