Table 1 Demographics and health-related variables

n

Mean

SD

n

Mean

SD

Age (years) (n = 1659)

794

59.4

15.8

865

60.9

15.9

0.064

Equivalised household income^b (n = 1333)

629

24,224

15,314

704

21,601

13,864

0.001

Time since diagnosis of coeliac disease (years) (n = 1657)

795

13.88

12.97

862

13.92

12.41

0.947

Number of comorbidities (n = 1697)

809

1.93

1.55

888

1.85

1.58

0.308

Coeliac Disease Adherence Test (CDAT) score (n = 1628)

771

12.39

3.61

857

12.20

3.40

0.284

EQ-5D Utility score (n = 1637)

781

0.79

0.21

856

0.78

0.22

0.149

EQ-5D VAS score (n = 1684)

806

75.07

17.58

878

75.10

17.37

0.969

n

%

n

%

Sex (n = 1690)

Female

576

71.6

663

71.5

0.990

Male

229

28.4

252

28.5

Marital status (n = 1685)

Single

140

17.5

127

14.4

0.149

Married or civil partnership

524

65.3

574

65.0

Separated, divorced or legally dissolved civil partnership

73

9.1

83

9.4

Widowed or survivor of civil partnership

65

8.1

99

11.2

Occupation (NB. multiple responses are possible) (n = 1689)

Employment (full-time, part-time or self-employed)^a

359

44.6

351

39.7

0.042

Education (full- or part-time)

19

2.4

15

1.7

0.334

Unemployed

12

1.5

9

1.0

0.381

Permanently sick or disabled

28

3.5

31

3.5

0.975

Retired^a

358

44.5

444

50.2

0.018

Looking after the home

120

14.9

134

15.2

0.885

Other (e.g. volunteering/being a carer)

94

11.7

80

9.0

0.076

Socioeconomic background (n = 1625)

Higher & intermediate managerial

228

29.9

248

28.8

0.064

Supervisory or clerical

268

35.1

267

31.0

Skilled manual

46

6.0

66

7.7

Semi and unskilled manual

23

3.0

42

4.9

State pensioners or widows

165

21.6

212

24.6

Casual or minimum wage earners

33

4.3

27

3.1

Ethnicity (n = 1671)

White

796

98.9

875

99.1

0.781

Indian

2

0.2

0

0

Pakistani/Bangladeshi

1

0.1

1

0.1

Black/African/Caribbean/Black British

2

0.2

2

0.2

Mixed/multiple ethnic groups

3

0.4

3

0.3

Other

1

0.1

2

0.2

Index of Multiple Deprivation quintiles^b (n = 1654)

1 – most deprived

89

11.4

67

7.7

< 0.001

2

140

18.0

205

23.4

3

161

20.7

241

27.5

4

184

23.6

199

22.7

5 - least deprived

205

26.3

163

18.6

Affordability to buy GFSF^c (n = 1636)

Can comfortably buy GFSF I need

433

56.4

474

54.6

0.346

Only just able to buy GFSF I need

235

30.6

293

33.8

Cannot always afford to buy GFSF I need

100

13.0

101

11.6

Self-report prescription status^b (n = 1583)

Current prescriptions

311

42.3

14

1.7

< 0.001

Restricted prescriptions

178

24.2

32

3.8

No prescriptions

247

33.6

801

94.6

Overall impact of coeliac disease (n = 1678)

No impact

148

18.4

158

18.1

0.792

Mild impact

297

37.0

325

37.1

Moderate impact

250

31.1

286

32.7

Severe impact

84

10.5

77

8.8

Very severe impact

24

3.0

29

3.3

Availability of GFSF (n = 1687)

Very easy

228

28.4

234

26.5

0.644

Fairly easy

425

52.9

469

53.1

Neither easy nor difficult

91

11.3

99

11.2

Fairly difficult

48

6.0

68

7.7

Very difficult

11

1.4

14

1.6