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Table 1 Baseline GIUFB participant characteristics (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$
A1 vs. A3 A1 vs. A2 A3 vs. A2
N 393(100) 160(40.7) 144(36.6) 89(22.7) 0.2041 0.7607 0.3600
Mean age: years (SD) 27.2(6.2) 26.7(6.1) 26.9(6.6) 27.7(5.8)
Age groups(years):
<20 55(14.0) 26(16.3) 21(14.6) 8(9.0)    
≥20 - <25 110(28.0) 41(25.6) 42(29.2) 27(30.3)    
≥25 - <30 101(25.7) 42(26.3) 39(27.1) 20(22.5)    
≥30 - <40 117(29.8) 49(30.6) 36(25.0) 32(36.0)    
≥40 10 (2.5) 2(1.3) 6(1.5) 2(2.3) 0.4261 0.4321 0.3169
SIMD quintile*:
1 (most deprived) 142(37.2) 108(67.9) 22(16.1) 12(14.0)    
2 115(30.1) 26(16.4) 57(41.6) 32(37.2)    
3 61(16.0) 7(4.4) 24(17.5) 30(34.9)    
4 41(10.7) 9(5.7) 27(19.7) 5(5.8)    
5 (least deprived) 23(6.0) 9(5.7) 7(5.1) 7(8.1) <0.0001 <0.0001 0.0050
Paid employment:
Yes 176(44.8) 71(44.4) 67(46.5) 38(42.7)    
No 149(37.9) 59(36.9) 60(41.7) 30(33.7)    
Missing 68(17.3) 30(18.8) 17(11.8) 21(23.6) 0.6528 0.2362 0.0559
How many cigarettes smoked per day:
Less than 10 101(25.7) 2(26.3) 43(29.9) 16(18.0)    
11-20 170(43.3) 65(40.6) 66(45.8) 39(43.8)    
20+ 55(14.0) 24(15.0) 18(12.5) 13(14.6)    
Missing 67(17.1) 29(18.1) 17(11.8) 21(23.6) 0.4439 0.3656 0.0462
How long before first cigarette in the morning:
Within 5 minutes 126(32.1) 56(35.0) 40(27.8) 30(33.7)    
6 - 30 minutes 96(24.4) 39(24.4) 35(24.3) 22(24.7)    
31-60 minutes 50(12.7) 14(8.8) 28(19.4) 8(9.0)    
After 1 hour 51(13.0) 22(13.8) 23(16.0) 6(6.7)    
Missing 70(17.8) 29(18.1) 18(12.5) 23(25.8) 0.3844 0.0534 0.0077
How many quit attempts in last year:
None 141(35.9) 56(35.0) 56(38.9) 29(32.6)    
One 107(27.2) 42(26.3) 43(29.9) 22(24.7)    
2+ 71(18.1) 33(20.6) 25(17.4) 13(14.6)    
Missing 74(18.8) 29(18.1) 20(13.9) 25(28.1) 0.2736 0.5867 0.0682
  1. *11 patients with missing data.
  2. Data are N(%) or Mean (SD); Bold values indicate a statistically significant test with P < 0.05; $comparisons by t-test for means and chi-square test for categorical variables.