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Table 1 Definition of variables used in the analysis

From: Effects of preconception counseling on maternal health care of migrant women in China: a community-based, cross-sectional survey

Variable

Values

Dependent variables

 

Preconception use of folic acid supplements

1 = Yes 0 = No

Quality prenatal care

1 = Yes 0 = No

PCC

1 = Yes 0 = No

Study variables

 

Variables related to demographic characteristic

Women’s education

1 = Senior high and above 2 = Junior high 3 = Elementary and below

Childbearing age (years)

1 = “≥25” 2 = “20–24” 3 = “<20”

Household registration

1 = Agriculture 0 = Non-agriculture

Women’s occupation

1 = Employed 0 = Not employed

Father’s occupation

1 = Professional/technical including officials, doctors and teachers 2 = Company staff/service staff 3 = Self-employed businessmen

Children’s sex

1 = Female 0 = Male

Children’s age (months)

1 = “6-11” 0 = “<6”

Variables measuring families’ characteristic

Families’ structure

1 = Nuclear family 2 = Extended 3 = Other

Families’ income

1 = Higher 2 = Moderate 3 = Lower

Sibling/s

1 = Yes 0 = No

Variables related to migrant characteristic

Migrant flow area

1 = between- provinces 0 = Within provinces

Duration of residence (years)

1 = “≥5” 0 = “<5”

Other variables

Knowledge of maternal health care

Continuous variable: 0-100

Health insurance

1 = Yes 0 = No