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Table 2 Baseline sociodemographic characteristics for pilot survey samples

From: Methods to increase response rates to a population-based maternity survey: a comparison of two pilot studies

 

Pilot 1

Pilot 2

p-value

N = 1000

N = 2000

 

Maternal data

n

%

n

%

 

Age (years)a

0.49

 16–24

152

15.2

317

16.2

 

 25–29

268

26.8

559

28.6

 

 30–34

336

33.6

638

32.7

 

 35+

244

24.4

440

22.5

 

Marital status at registrationa

0.49

 Married

524

52.4

1069

54.7

 

 Joint registration (same address)

337

33.7

607

31.1

 

 Joint registration (different address)

97

9.7

187

9.6

 

 Sole registration

42

4.2

91

4.7

 

Country of birtha

0.54

 UK

709

70.9

1364

69.8

 

 Outside UK

291

29.1

590

30.2

 

Index of multiple deprivation (IMD)a

0.40

 1st (most deprived)

250

25.0

494

25.3

 

 2nd

240

24.0

445

22.8

 

 3rd

209

20.9

368

18.8

 

 4th

151

15.1

337

17.2

 

 5th (least deprived)

150

15.0

310

15.9

 

Regiona

0.99

 North East

49

4.9

83

4.2

 

 North West

138

13.8

265

13.6

 

 Yorkshire & the Humber

105

10.5

200

10.2

 

 East Midlands

85

8.5

160

8.2

 

 West Midlands

107

10.7

215

11.0

 

 East of England

113

11.3

223

11.4

 

 London

198

19.8

368

18.8

 

 South East

141

14.1

302

15.5

 

 South West

64

6.4

138

7.1

 
  1. aSociodemographic data available for 1954 women from pilot survey 2 sample