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Table 4 Association between age and SHS exposure, stratified by SES

From: Association between secondhand smoke exposure in pregnant women and their socioeconomic status and its interaction with age: a cross-sectional study

Model

Variables

Categories

OR(95% CI)

P for difference between stratums

Model 1 a

Marital status

  

Married and living together

0.982 (0.943–1.023)

[reference]

Divorced but living together/Cohabiting relationship

1.256 (1.019–1.549)

< 0.05

Model 2 b

Educational attainment

  

Junior middle school or below

1.039 (0.945–1.143)

[reference]

High school or technical secondary school

1.049 (0.969–1.135)

< 0.05

College or above

0.939 (0.884–0.997)

< 0.05

  1. Values indicated in bold are statistically significant
  2. aModel 1 was adjusted for employment, educational attainment, personal income per month, ethnicity, household registration status, smoking habit, current exercising and drinking, employment status of spouses/partners, educational attainment of spouses/partners, drinking habit of spouses/partners in the last year, living with an aunt/uncle after getting married, regular antenatal examinations and complications of pregnancy
  3. bModel 2 was adjusted for employment status, marital status, personal income per month, ethnicity, household registration status, smoking habit, current exercising and drinking, employment status of spouses/partners, educational attainment of spouses/partners, drinking habit of spouses/partners in the last year, living with an aunt/uncle after getting married, regular antenatal examinations and complications of pregnancy