Table 3 Rates of smoking cessation during pregnancy by demographic factors, New South Wales, 2000 and 2011
Demographic characteristic | Rates of smoking cessation during pregnancy | Absolute increase in smoking cessation rate, 2000 to 2011 | Multivariable logistic regression | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
2000 | 2011 | 2000 | 2011 | |||||||
No. of women who quit | % of smokers who quit | No. of women who quit | % of smokers who quit | Adjusted odds ratio | 95% Confidence Interval | Adjusted odds ratio | 95% Confidence Interval | |||
Hospital type | Public | 530 | 3.8 | 2,607 | 25.2 | 21.4 | Reference category | Reference category | ||
Private | 66 | 10.6 | 45 | 20.9 | 10.3 | 2.0 | [1.1,3.6] | 0.4 | [0.2,0.5] | |
SEIFA quintile (Education /Occupation) | 1st (most advantaged) | 69 | 6.8 | 201 | 43.0 | 36.2 | 1.2 | [0.5,2.7] | 2.1 | [1.6,2.8] |
2nd | 145 | 6.0 | 413 | 33.3 | 27.3 | 1.2 | [0.6,2.6] | 1.6 | [1.2,2.1] | |
3rd | 81 | 2.9 | 602 | 27.4 | 24.5 | 0.9 | [0.5,1.5] | 1.3 | [1.0,1.6] | |
4th | 106 | 3.7 | 633 | 21.1 | 17.4 | 1.3 | [0.8,2.0] | 1.0 | [0.8,1.3] | |
5th (most disadvantaged) | 195 | 3.5 | 803 | 22.1 | 18.6 | Reference category | Reference category | |||
Country of birth and Aboriginality | Australian born non-Aboriginal | 498 | 4.3 | 1,949 | 25.0 | 20.7 | Reference category | Reference category | ||
Aboriginal | 16 | 1.4 | 212 | 13.7 | 12.3 | 0.5 | [0.3,0.8] | 0.6 | [0.5,0.7] | |
Non Australian born | 82 | 4.3 | 491 | 40.3 | 36.0 | 1.1 | [0.9,1.4] | 1.6 | [1.4,1.9] | |
Maternal age (years) | <20 | 82 | 5.0 | 197 | 19.8 | 14.8 | 1.1 | [0.8,1.6] | 0.7 | [0.5,0.8] |
20-34 | 453 | 4.0 | 2,028 | 25.4 | 21.4 | 1.1 | [0.8,1.4] | 0.9 | [0.8,1.1] | |
35+ | 61 | 3.4 | 427 | 27.1 | 23.7 | Reference category | Reference category | |||
Number of previous pregnancies | 0 | 347 | 6.8 | 1,017 | 29.9 | 23.1 | Reference category | Reference category | ||
1 | 150 | 3.3 | 748 | 26.5 | 23.2 | 0.5 | [0.4,0.6] | 0.8 | [0.7,0.9] | |
2 | 55 | 2.1 | 480 | 23.8 | 21.7 | 0.3 | [0.2,0.4] | 0.7 | [0.6,0.8] | |
3+ | 44 | 1.8 | 407 | 17.8 | 16.0 | 0.3 | [0.2,0.5] | 0.5 | [0.4,0.6] | |
Remoteness (ARIA+) | Major city | 392 | 4.8 | 1,523 | 31.1 | 26.3 | Reference category | Reference category | ||
Non major city | 204 | 3.1 | 1,129 | 20.0 | 16.9 | 0.8 | [0.5,1.3] | 0.7 | [0.6,0.9] | |
Duration of pregnancy at first antenatal care visit | Less than 20 weeks | 519 | 4.6 | 2,198 | 26.4 | 21.8 | Reference category | Reference category | ||
20 + weeks | 75 | 2.5 | 428 | 21.2 | 18.7 | 0.6 | [0.5,0.8] | 0.8 | [0.7,0.9] | |
TOTAL | 596 | 4.0 | 2,652 | 25.2 | 21.2 | N/A | ||||