The Scientific World Journal / 2012 / Article / Tab 1

Research Article

Smoking Behaviour before, during, and after Pregnancy: The Effect of Breastfeeding

Table 1

Sample characteristics.

Completed follow-upLost to follow-up
Variablessamplesample 𝜒 2
𝑁 = 2 5 4 6 𝑁 = 9 8 8
𝑁 Weighted % 𝑁 Weighted %P

Age
 <3072728.036937.20.005
 30–3498739.633634.6
 >3583232.428328.2
Education
 Low74327.433734.4<0.001
 Medium126748.846746.2
 High53623.818419.4
Marital status
 Married201577.673873.2 0.100
 Single/Sep/Div/Wid53122.425026.8
Employment
 No77628.237636.30.003
 Yes177071.861263.7
Parity
 Primiparous136855.547749.80.036
 Multiparous114444.548350.2
Multiparous not breastfeeding previous birth or breastfeeding less than 3 months 38735.417439.50.268
Multiparous breastfeeding previous infant more than 3 months 75464.630460.5
Participation in antenatal classes
 No153559.372776.3<0.001
 Yes99540.725323.7
Smoking behaviour before pregnancy
 No196478.474375.20.335
 Yes58221.624524.8
Quit during pregnancy 39768.716167.10.651
Smoking during pregnancy 18331.38433.0
Complete breastfeeding at discharge
 No66929.631032.50.188
 Yes183770.465967.5

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