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Table 1 Descriptive statistics—Participant characteristics by level of programme attendance

From: Level of attendance at the English National Health Service Diabetes Prevention Programme and risk of progression to type 2 diabetes

 

All participants

Partial attendance

(< 60% sessions)

Completed programme

(≥ 60% sessions)

 

N = 51,803

N = 25,015

N = 26,788

Age category

 Aged 18 to 34

547

1.1%

419

1.7%

128

0.5%

 Aged 35 to 44

2294

4.4%

1597

6.4%

697

2.6%

 Aged 45 to 54

6410

12.4%

3906

15.6%

2504

9.3%

 Aged 55 to 64

12,396

23.9%

6168

24.7%

6228

23.2%

 Aged 65 to 74

19,231

37.1%

7847

31.4%

11,384

42.5%

 Aged 75 to 84

9648

18.6%

4364

17.4%

5284

19.7%

 Aged 85 + 

1277

2.5%

714

2.9%

563

2.1%

Sex

 Female

28,258

54.5%

13,604

54.4%

14,654

54.7%

 Male

23,545

45.5%

11,411

45.6%

12,134

45.3%

Deprivation quintile

 Most deprived

8301

16.0%

4751

19.0%

3550

13.3%

 2

9291

17.9%

4702

18.8%

4589

17.1%

 3

10,991

21.2%

5107

20.4%

5884

22.0%

 4

10,988

21.2%

5001

20.0%

5987

22.3%

 Least deprived

12,176

23.5%

5426

21.7%

6750

25.2%

 Missing

56

0.1%

28

0.1%

28

0.1%

BMI

 Under/healthy weight

8107

15.6%

3596

14.4%

4511

16.8%

 Overweight

18,612

35.9%

8367

33.4%

10,245

38.2%

 Obese

23,518

45.4%

11,865

47.4%

11,653

43.5%

 Missing

1566

3.0%

1187

4.7%

379

1.4%

Employment

 Employed

13,254

25.6%

7150

28.6%

6104

22.8%

 Retired

26,645

51.4%

10,900

43.6%

15,745

58.8%

 Other

4415

8.5%

2658

10.6%

1757

6.6%

 Missing

7489

14.5%

4307

17.2%

3182

11.9%

Ethnic group

 White

38,538

74.4%

17,144

68.5%

21,394

79.9%

 Asian

6113

11.8%

3728

14.9%

2385

8.9%

 Black

2952

5.7%

1597

6.4%

1355

5.1%

 Mixed & other

1895

3.7%

1086

4.3%

809

3.0%

 Missing

2305

4.4%

1460

5.8%

845

3.2%

Disability

 No disability

39,604

76.5%

18,561

74.2%

21,043

78.6%

 Disability

8916

17.2%

4772

19.1%

4144

15.5%

 Missing

3283

6.3%

1682

6.7%

1601

6.0%

Smoker

 Smoker

2991

5.8%

1885

7.5%

1106

4.1%

 Ex-smoker

883

1.7%

400

1.6%

483

1.8%

 Non-smoker

37,740

72.9%

16,809

67.2%

20,931

78.1%

 Missing

10,189

19.7%

5921

23.7%

4268

15.9%

  1. Characteristics recorded at referral or initial assessment, representing participants’ characteristics at the start of the programme. Programme completion is defined according to the NHS England definition of completion as attending at least 60% of sessions. BMI Body Mass Index