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Table 1 Descriptive characteristics of participants at baseline in 1986

From: Do adolescent sedentary behavior levels predict type 2 diabetes risk in adulthood?

 

All participants (n = 3942)

Participants who developed type 2 diabetes (n = 91)

Participants who did not develop type 2 diabetes (n = 3851)

P value for diabetes vs. non-diabetes

Sex

   

0.06

 Male

1738 (44.1)

49 (53.9)

1689 (43.9)

 

 Female

2204 (55.9)

42 (46.1)

2162 (56.1)

 

 Missing

0

0

0

 

Ethnicity

   

0.39

 White

2953 (74.9)

66 (72.5)

2887 (75.0)

 

 Other

115 (2.9)

1 (1.1)

114 (3.0)

 

 Missing

874 (22.2)

24 (26.4)

850 (22.1)

 

BMI category

   

< 0.0001

 Not overweight

1900 (48.2)

21 (23.1)

1879 (48.8)

 

 Overweight

247 (6.3)

19 (20.9)

228 (5.9)

 

 Obese

43 (1.1)

6 (6.6)

37 (1.0)

 

Missing

1752 (44.4)

45 (49.5)

1707 (44.3)

 

Parental education

   

0.02

 No qualifications

518 (13.1)

20 (22.0)

498 (12.9)

 

 O-levels

953 (24.2)

15 (16.5)

938 (24.4)

 

 A-levels

268 (6.8)

9 (9.9)

259 (6.7)

 

 Degree or higher

879 (22.3)

14 (15.4)

865 (22.5)

 

 Missing

1324 (33.6)

33 (36.3)

1291 (33.5)

 

Smoking status

   

0.15

 Non-smoker

2212 (56.1)

49 (53.9)

2163 (56.2)

 

 Occasional smoker

1005 (25.5)

19 (20.9)

986 (25.6)

 

 Smoker

682 (17.3)

23 (25.3)

659 (17.1)

 

 Missing

43 (1.1)

0

43 (1.1)

 

Fruit consumption

   

0.04

 0–1 times/week

451 (11.4)

18 (19.8)

433 (11.2)

 

 2–3 times/week

890 (22.6)

26 (28.6)

864 (22.4)

 

 4–5 times/week

871 (22.1)

15 (16.5)

856 (22.2)

 

 6–7 times/week

1090 (27.7)

21 (23.1)

1069 (27.8)

 

 Missing

640 (16.2)

11 (1.7)

629 (16.3)

 

Sugary beverage consumption

   

0.02

 None

676 (17.2)

9 (9.9)

667 (17.3)

 

 1–2 glasses/day

1224 (31.1)

41 (45.1)

1183 (30.7)

 

 3–4 glasses/ day

680 (17.3)

18 (19.8)

662 (17.2)

 

  > 4 glasses/day

595 (15.1)

11 (12.1)

584 (15.2)

 

 Missing

767 (19.5)

12 (13.2)

755 (19.6)

 

Takeaway consumption

   

0.11

 None

1545 (39.2)

34 (37.4)

1511 (39.2)

 

 1 time/week

1456 (36.9)

28 (30.8)

1428 (37.1)

 

  > 2 times/week

747 (19.0)

26 (28.6)

721 (18.7)

 

 Missing

194 (4.9)

3 (3.3)

191 (5.0)

 

Physical activity at age 16

   

0.65

 Quartile 1

864 (21.9)

22 (24.2)

842 (21.9)

 

 Quartile 2

1019 (25.9)

19 (20.9)

1000 (26.0)

 

 Quartile 3

1037 (26.3)

23 (25.3)

1014 (26.3)

 

 Quartile 4

1022 (25.9)

27 (29.7)

995 (25.8)