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Table 1 Descriptive statistics of study population including all participants with 10 year follow-up, free of prevalent diabetes at baseline and with complete data. Vӓsterbotten Intervention Programme 1990–2013

From: Impact of weight maintenance and loss on diabetes risk and burden: a population-based study in 33,184 participants

 

BMI at baseline (kg/m2)

<25.0

25.0–29.9

30.0–34.9

≥35.0

Total

Total (n, %)a

18,332

55.2

11,900

35.9

2,447

7.4

505

1.5

33,184

100.0

Age at baseline, years (n, %)a

 30

3,161

65.6

1,345

27.9

257

5.3

57

1.2

4,820

100.0

 40

8,137

58.0

4,700

33.5

972

6.9

214

1.5

14,023

100.0

 50

7,034

49.0

5,855

40.8

1,218

8.5

234

1.6

14,341

100.0

Sex (n, %)a

 Men

7,186

46.5

6,986

45.2

1,147

7.4

140

0.9

15,459

100.0

 Women

11,146

62.9

4,914

27.7

1,300

7.3

365

2.1

17,725

100.0

BMI at baseline, kg/m2 (mean, SD)

22.5

1.7

26.9

1.3

31.8

1.3

37.9

3.0

25.0

3.6

BMI at 10 year follow-up, kg/m2 (mean, SD)

23.9

2.4

28.2

2.5

33.1

3.2

39.0

5.0

26.3

4.1

Change in BMI between baseline and 10 year follow-up, Δkg/m2 (mean, SD)

+1.4

1.8

+1.2

2.2

+1.3

2.9

+1.1

4.5

+1.3

2.1

Relative weight change between baseline and 10 year follow-up, as % of baseline weight (mean, SD)

+5.5

8.1

+3.8

8.0

+3.3

9.1

+2.3

11.5

+4.7

8.3

Baseline capillary plasma glucose concentration, mmol/L (mean, SD)

 Fasting

5.2

0.6

5.4

0.6

5.4

0.6

5.5

0.7

5.3

0.6

 2-h value

6.3

1.2

6.4

1.3

6.6

1.5

6.9

1.4

6.4

1.3

IGT (n, %)

 At baseline

354

1.9

363

3.1

142

5.8

35

6.9

894

2.7

 At 10 year follow-up

900

4.9

966

8.1

304

12.4

70

13.9

2,240

6.8

IFG (n, %)

 At baseline

763

4.2

910

7.6

236

9.6

69

13.7

1,978

6.0

 At 10 year follow-up

1,641

9.0

1,414

11.9

338

13.8

81

16.0

3,474

10.5

Year at baseline (n, %)a

 1990–1994

7,479

60.3

4,014

32.4

771

6.2

144

1.2

12,408

100.0

 1995–1999

8,173

53.2

5,765

37.5

1,177

7.7

248

1.6

15,363

100.0

 2000–2003

2,680

49.5

2,121

39.2

499

9.2

113

2.1

5,413

100.0

Education (n, %)

 Primary

6,435

35.1

5,226

43.9

1,163

47.5

260

51.5

13,084

39.4

 Any secondary

6,436

35.1

4,037

33.9

838

34.2

170

33.7

11,481

34.6

 Any tertiary

5,461

29.8

2,637

22.2

446

18.2

75

14.9

8,619

26.0

Marital status at baseline (n, %)

 Single/Widowed/Divorced

2,951

16.1

1,867

15.7

413

16.9

109

21.6

5,340

16.1

 Married/Partner

15,381

83.9

10,033

84.3

2,034

83.1

396

78.4

27,844

83.9

Family history of diabetes (n, %)

2,699

14.7

2,284

19.2

585

23.9

116

23.0

5,684

17.1

Tobacco use at baseline (n, %)

5,839

31.9

4,033

33.9

782

32.0

135

26.7

10,789

32.5

 Current smokers

4,017

21.9

2,469

20.7

498

20.4

102

20.2

7,086

21.4

 Current snuff users

2,380

13.0

2,094

17.6

383

15.7

45

8.9

4,902

14.8

  1. Percentages calculated in the column except where otherwise indicated
  2. Diabetes, IGT and IFG based on OGTT
  3. BMI Body mass index, IFG Impaired Fasting Glycaemia, IGT Impaired Glucose Tolerance, OGTT Oral glucose tolerance test, SD Standard deviation
  4. aPercentages calculated across the row