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Table 1 Family resources and corresponding variables

From: Influence of family resources on secondhand smoking in pregnant women: a cross-sectional study in the border and minority urban areas of Northwest China

Dimensions

Variables

Internal family resources

 Financial support

Annual income

 Advocacy/Maintenance

Home smoking ban, Husband tobacco use, Household tobacco use

 Medical management

Regular prenatal checkup

 Love support

Marital relationships

 Information and knowledge

Age, Gravidity times, Gestational weeks, Knowledge of secondhand smoke harm

 Structural support

Residence or facility changes

External family resources

 Social resources

Community tobacco control education

 Cultural resources

Nationality

 Religious resources

Religion

 Economic resources

Insurance

 Educational resources

Education

 Environmental resources

Location, Work status

 Medical resources

Have medical institutions in the living community