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Table 3 Percentage of participants reaching four week quit mark split by SIMD quintile and paid employment (registered March 2007-December 2009): total and by area

From: Give It Up For Baby: outcomes and factors influencing uptake of a pilot smoking cessation incentive scheme for pregnant women

  NHS Tayside Area 1 (A1) Area 2 (A2) Area 3 (A3) Pairwise comparisons$
  N N(%) quit at N N(%) quit at N N(%) quit at N N(%) quit at  
 4 weeks    4 weeks    4 weeks    4 weeks
N 393  211(53.7) 160  76(47.5) 144  86(59.7) 89  49(55.1) A1 vs. A2 A1 vs. A3 A3 vs. A2
SIMD quintile*:
1 (most deprived) 142 66(46.5) 108 49(45.4) 22 11(50.0) 12 6(50.0)    
2 115 64(55.7) 26 15(57.7) 57 33(57.9) 32 16(50.0)    
3 61 35(57.4) 7 2(28.6) 24 13(54.2) 30 20(66.7)    
4 41 28(68.3) 9 5(55.6) 27 20(74.1) 5 3(60.0)    
5 (least deprived) 23 12(52.2) 9 4(44.4) 7 5(71.4) 7 3(42.9) <0.0001 <0.0001 0.0074
Paid employment:
Yes 176 105(59.7) 71 42(59.2) 67 42(62.7) 38 21(55.3)    
No 149 72(48.3) 59 20(33.9) 60 36(60.0) 30 16(53.3)    
Missing 68 34(50.0) 30 14(46.7) 17 8(47.1) 21 12(57.1) 0.0604 0.3960 0.0554
  1. Data are N(%); Bold values indicate a statistically significant test with P < 0.05; *missing for 11 patients; $ comparisons by chi-square test.