Table 1

 Socioeconomic and smoking profile of the sample

Number of cases% Of sample
NS-SEC, National Statistics-Socioeconomic Classification.
Father’s collapsed NS-SEC†
Professional and Managerial208424.7
Intermediate258230.6
Semi-routine/routine257930.6
Missing119214.1
Woman’s collapsed NS-SEC†
Professional and Managerial325438.6
Intermediate285033.8
Semi-routine/routine233327.7
Age of leaving full time education
22 and over121814.4
19–21112313.3
17–18233027.6
16 and under376644.6
Age of entry into motherhood
No births at time of interview369643.8
25 and over217825.8
22–24108512.9
20 and 216908.2
<207889.3
Lone motherhood
No762390.4
Yes8149.6
Cohabitation status
Lives with partner610672.4
Does not live with a partner233127.6
Current smoker
No595970.6
Yes247829.4
% Of ever smoked
Former smoker
No247864.0
Yes139536.0
Total who ever smoked3873100.0