Skip to main content

Table 2 Odds ratios of receiving smoking cessation advice by women’s characteristics and morbidities between 2006 and 2009

From: Smoking cessation advice recorded during pregnancy in United Kingdom primary care

 

Pregnant smokers (n = 27,959)

Pregnant smokers with smoking cessation advice (n = 7,716)

Unadjusted

Adjusted

Age at conception

 

n

%

OR (95% CI)

p-value

OR (95% CI)

p-value

15–19

3,169

957

30.2

1.19 (1.08-1.32)

0.008

1.21 (1.10-1.35)

0.001

20–24

7,738

2,127

27.5

1.05 (0.96-1.14)

 

1.04 (0.96-1.13)

25–29

7,542

2,006

26.6

1

 

1

30–34

5,639

1,535

27.2

1.03 (0.95-1.12)

 

1.05 (0.96-1.14)

35–39

3,166

872

27.5

1.05 (0.95-1.15)

 

1.07 (0.97-1.17)

40–44

671

203

30.3

1.20 (1.00-1.43)

 

1.18 (0.98-1.41)

45-49

34

16

47.1

2.45 (1.21-4.98)

 

2.37 (1.11-5.10)

Townsend score

       

Quintile 1 (most affluent)

3,047

711

23.3

1.00

<0.001*

1.00

<0.001*

Quintile 2

3,745

1,005

26.8

1.21 (1.07-1.35)

 

1.19 (1.06-1.34)

Quintile 3

5,532

1,480

26.8

1.20 (1.06-1.36)

 

1.18 (1.04-1.35)

Quintile 4

7,191

2,075

28.9

1.33 (1.16-1.53)

 

1.29 (1.13-1.48)

Quintile 5 (most deprived)

6,583

1,989

30.2

1.42 (1.17-1.72)

 

1.38 (1.14-1.68)

Missing

1,861

456

24.5

1.07 (0.89-1.28)

 

1.03 (0.85-1.24)

Body mass index

       

Underweight (<18.0)

11,893

3,196

26.9

1.10 (0.97-1.25)

<0.001

1.08 (0.95-1.22)

<0.001

Normal (18.0-24.9)

1,334

385

28.9

1

 

1

Overweight (25.0-29.9)

5,689

1,645

28.9

1.11 (1.03-1.19)

 

1.09 (1.01-1.18)

Obese (≥30)

4,218

1,252

29.7

1.15 (1.06-1.24)

 

1.08 (0.99-1.16)

Missing

4,825

1,238

25.7

0.94 (0.87-1.01)

 

0.92 (0.83-1.01)

Asthma

3,317

1,368

41.2

2.02 (1.85-2.2)

<0.001

1.97 (1.80 - 2.16)

<0.001

Hypertension

580

200

34.5

1.39 (1.16-1.67)

<0.001

1.32 (1.09 - 1.60)

<0.001

Diabetes

635

208

32.8

1.29 (1.07-1.55)

0.008

1.24 (1.03 - 1.50)

0.015

Mental illness

4,390

1,314

29.9

1.15 (1.06-1.24)

0.001

1.09 (1.01 - 1.18)

0.019

  1. OR Odds ratio, CI Confidence interval, *p-value for trend.