Table 3.

Multiple linear regression for factors affecting the knowledge score in mothers

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

Bold indicates statistically significant at P < 0.05

Linear regression model treating knowledge as the dependent variable and each characteristic as the independent variable