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Table 2 Quitting smoking and social characteristics of the examined subjects (% calculated as a fractions of all subjects in the given subgroup)

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

Variable Intervention Control Intervention and Refusal
  N n % N n % N n %
All groups 152 70 46.1* 145 34 23.4 204 74 36.3**
Education
Primary or vocational 125 52 41.6* 110 19 17.3 165 54 32.7**
College or university 27 18 66.7 35 15 42.9 39 20 51.3
Number of cigarettes/day smoked before the attempt
<5 10 9 90.0* 13 5 38.5 14 9 64.3
5–10 65 35 53.8* 82 22 26.8 92 36 39.1
>10 77 26 33.8* 50 7 14.0 98 29 29.6**
Fagerström test
0–6 138 63 45.7* 143 34 23.8 184 67 36.4**
7–9 14 7 50.0 2 0 0 20 7 35.0
Smoking in previous pregnancies
Primigravidas 76 43 56.6* 58 20 34.5 101 45 44.6
Yes 68 20 29.4* 74 7 9.5 91 21 23.1**
No 8 7 87.5 13 7 53.8 12 8 66.7
Smoking husband
Yes 130 58 44.6* 111 20 18.0 176 61 34.7**
No 22 12 54.5 34 14 41.2 28 13 46.4
  1. * statistically significant (p < 0.05) difference in distributions of groups intervention and control;
  2. ** statistically significant (p < 0.05) difference in distributions of groups intervention and refusal combined and control.