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Table 2 Lifestyle characteristics including physical activity, TV viewing, sleep, smoking, alcohol and diet, within each BMI group (n = 398,984)

From: Low physical activity, high television viewing and poor sleep duration cluster in overweight and obese adults; a cross-sectional study of 398,984 participants from the UK Biobank

 

% Within each disease group

 

Under weight

<18.5

(n = 2026)

Normal weight

18.5–24.99

(n = 132,372)

Over weight

25–29.99

(n = 171,030)

Obese I

30–34.99

(n = 67,903)

Obese II 35–39.99 (n = 18,653)

Obese III ≥40 (n = 7000)

Physical Activity

 Total Physical activitya (MET.mins/wk)

2026

132,372

171,030

67,903

18,653

7000

  ≤967.5 (Low physical activity)

28.0

25.0

28.9

35.6

42.9

52.5

  >967.5–1989.5

23.9

25.0

24.8

23.4

22.8

20.7

  >1989.5–3786

22.2

25.0

22.9

20.1

17.4

14.2

  >3786 (High physical activity)

25.9

25.0

23.4

20.8

16.9

12.7

 Walkinga (mins/day)

2026

132,372

171,030

67,903

18,653

7000

  0–20

29.2

30.6

32.4

35.9

40.4

48.0

  21–30

19.9

21.1

20.8

19.8

19.3

18.1

  31–60

27.9

27.4

26.2

24.3

22.3

20.0

  61–180

23.0

21.0

20.6

20.0

18.0

13.9

 Moderate activitya (mins/day)

2026

132,372

171,030

67,903

18,653

7000

  0–15

25.2

20.1

23.0

28.4

33.9

42.1

  16–30

30.3

33.4

32.6

31.1

31.1

28.7

  31–60

23.6

25.9

24.2

21.8

19.1

17.1

  61–180

20.9

20.6

20.2

18.7

15.8

12.2

 Vigorous activitya (mins/day)

2026

132,372

171,030

67,903

18,653

7000

  0

48.6

35.5

39.5

47.6

56.2

64.0

  1–20

17.9

20.8

20.4

19.2

17.4

15.0

  21–45

16.9

21.1

19.2

16.2

13.3

11.6

  46–180

16.5

22.6

20.8

17.0

13.2

9.4

 Meets UK government physical activity guidelinesb

2026

132,372

171,030

67,903

18,653

7000

  NO

16.4

14.6

17.8

23.1

29.2

38.2

TV viewing

 TV viewinga (h/day)

2026

132,372

171,030

67,903

18,653

7000

  ≤1 (Low TV viewing)

35.0

30.0

19.6

14.1

11.2

9.9

  >1–2

28.3

29.9

27.6

24.5

21.7

19.6

  >2–3

17.6

20.9

24.5

25.3

24.6

23.4

  >3 (High TV viewing)

19.1

19.2

28.3

36.1

42.5

47.1

Sleep

 Sleep durationc (h/night)

2026

132,372

171,030

67,903

18,653

7000

  <7,>8 (Poor sleep)

33.1

28.1

30.9

36.2

40.8

45.4

  7–8 (Good sleep)

66.9

72.0

69.1

63.8

59.3

54.5

Behavioural Phenotype

 Unhealthy (low physical activity, high TV viewing and poor sleep duration)

2.7%

(n = 72)

1.6%

(n = 2639)

2.6%

(n = 5486)

4.4%

(n = 3880)

6.6%

(n = 1644)

9.9%

(n = 956)

Other Lifestyle Behaviours

 Alcohol

2026

132,372

171,030

67,903

18,653

7000

  Never

7.7

3.7

3.6

4.6

5.7

7.7

  Previous

6.8

3.1

3.1

3.9

5.0

7.5

  Current

85.3

93.1

93.2

91.4

89.2

84.7

 Smoking

2026

132,372

171,030

67,903

18,653

7000

  Never

57.3

59.2

53.3

50.3

50.5

52.5

  Previous

20.9

29.8

36.4

39.7

39.8

37.9

  Current

21.6

10.7

10.0

9.7

9.2

9.2

 Diet

      

  Dietary change in past 5 years

2023

132,261

170,862

67,799

18,600

6973

  YES

29.3

32.1

39.0

46.9

54.5

59.5

  Meets fruit/veg guidelines

2001

130,905

168,617

66,812

18,302

6887

  YES

32.7

32.1

30.4

30.3

31.7

32.3

  “Never eat”

2024

132,151

170,699

67,757

18,602

6970

  Never eat sugar or foods/drinks containing sugar

13.1

15.5

18.7

21.6

24.2

25.8

  1. aFor physical activity and TV sitting time, quartiles were calculated from the ‘No Disease’ group so that their demarcators could be applied to disease group
  2. bUK Government recommendations of 150mins of moderate or 75mins of vigorous activity per week. Walking was considered ‘moderate’ activity for this calculation
  3. cPhysiological thresholds used rather than quartiles because the shape of the risk relationship is a U shape (not linear like Physical activity and TV viewing)