From: Exposure to active and passive smoking among Greek pregnant women
 | Smoking status during pregnancy |  | ||
---|---|---|---|---|
 | Smokers women n (%) | Non smokers women n (%) | Total n (%) | P value |
Age | ||||
 16–20 | 9(3) | 7(2.3) | 16(5.3) | 0.502 |
 21–30 | 63(21) | 60(20) | 123(41) | |
 31–40 | 67(22.3) | 77(25.7) | 144(48) | |
  > 40 | 5(1.7) | 12(4) | 17(5.7) | |
Nationality | ||||
 Greek | 129(43) | 126(42) | 255(85) | 0.012 |
 Other | 15(5) | 30(10) | 45(15) | |
Education | ||||
 Elementary & junior high | 6(2) | 6(2) | 12(4) | 0.821 |
 High School | 70(23.3) | 67(22.3) | 137(45.7) | |
 University/College education | 54(18) | 71(23.7) | 125(41.7) | |
 Postgraduate studies | 14(4.7) | 12(4) | 26(8.6) | |
Work status | ||||
 Housewife | 64(21,3) | 63(21) | 127(42.3) | 0.398 |
 Public sector | 20(6.7) | 34(11.3) | 54(18) | |
 Private sector | 36(12) | 40(13.3) | 76(25.3) | |
 Self-employed | 24(8) | 19(6.3) | 43(14.3) | |
Gravida | ||||
 Primigravida | 86(28.7) | 69(23) | 144(48) | 0.034 |
 Multigravida | 58(19.3) | 87(29) | 156(52) | |
Marital Status | ||||
 Married | 116(38,7) | 147(49) | 263(87,7) | 0.002 |
 Single | 23(7,7) | 9(3) | 32(10,7) | |
 Divorced | 4(1,3) | 0(0) | 4(1,3) | |
 Widow | 1(0,3) | 0(0) | 1(0.3) | |
Pregnancy | ||||
 Planned | 67(22.3) | 99(33) | 144(48) | 0.003 |
 Unplanned | 77(25.7) | 57(19) | 156(52) | |
Mode of birth | ||||
 Vaginal birth | 78(26) | 86(28.7) | 164(54.7) | 0.910 |
 Cesarean section | 66(22) | 70(23.3) | 136(45.3) |