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Table 4 Effectiveness of quitting attempts by social variables (% calculated as a fraction of all subjects with quitting attempts in given subgroup)

From: Smoking cessation intervention during pregnancy in a Polish urban community – what is the target population?

Variable Intervention Control
  N n % N n %
All groups 120 70 58.3 58 34 58.6
Education
Primary or vocational 95 52 54.7 35 19 54.3
College or university 25 18 72.0 23 15 65.2
Number of cigarettes/day smoked before the attempt
< 5 10 9 90.0 11 5 45.5
5–10 53 35 66.0 35 22 62.9
>10 57 26 45.6 12 7 58.3
Fagerström test
0–4 111 63 56.8 58 34 58.6
7–9 9 7 77.8 0 0 -
Smoking in previous pregnancies
Primigravidas 67 43 64.2 31 20 64.5
Yes 45 20 44.4 19 7 36.8
No 8 7 87.5 8 7 87.5
Smoking husband
Yes 100 58 58.0 38 20 52.6
No 20 12 60.0 20 14 70.0