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Table 4 Odds ratios for being a smoker in the six months before the first child was conceived, with 95% confidence intervals, for different socio-economic statuses and the partner's smoking status

From: An investigation of the smoking behaviours of parents before, during and after the birth of their children in Taiwan

 

Mothers

Fathers

 

Odds ratio

95% CI

Odds ratio

95% CI

Educational attainment (reference group: college or above)

   Elementary school or below

3.36**

(1.52 7.40)

2.27**

(1.87 2.76)

   High school

6.29**

(2.64 14.96)

3.01**

(2.30 3.94)

Occupation (reference group: high position)

   Middle position

1.92

(0.54 6.81)

1.46**

(1.19 1.79)

   Low position

5.18*

(1.49 18.03)

1.43**

(1.11 1.85)

Average monthly family income (reference group: NT$70,000 or above)

   <= 29,999

0.61

(0.34 1.08)

1.22

(0.99 1.52)

   30,000 – 49,999

0.42**

(0.23 0.76)

1.27*

(1.01 1.60)

   50,000 – 69,999

0.54

(0.26 1.11)

1.30

(0.93 1.82)

Partner's smoking status before the conception of the first child (reference group: non-smoker)

   Smoker

6.40**

(3.31 12.37)

5.94 **

(3.02 11.67)

Number of observations

2,837

 

2,772

 

Model Significance: Wald χ2(13)

131.80**

 

257.95**

 
  1. ** p < 0.01; * p < 0.05.
  2. Note: In the models, the residential region and the urbanization level of residential district were also controlled for.
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BMC Public Health

ISSN: 1471-2458

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