Table 1 Baseline characteristics of IHD cases and subcohort participants who had no prior history of CVD at baseline

From: Comparative studies of 2168 plasma proteins measured by two affinity-based platforms in 4000 Chinese adults

Characteristicsa

IHD cases

Subcohort

Total

(n = 1951)

(n = 2025)

(n = 3976)

Socio-demographics

 Mean age (SD), years

63.7 (9.3)

51.3 (10.5)

57.3 (11.7)

 Female, %

45.1

62.1

53.7

 Urban residents, %

47.0

50.6

48.8

 Married with spouse, %

79.9

91.3

85.7

 ≥6 years education, %

37.7

52.1

45.1

Clinical measurements, mean (SD)

 Ambient temperature, °C

15.4 (10.5)

16.0 (10.5)

15.7 (10.5)

 Time since last meal, hours

4.3 (4.4)

5.1 (5.0)

4.7 (4.7)

 BMI, kg/m2

24.0 (3.8)

23.8 (3.4)

23.9 (3.6)

 SBP, mmHg

146.3 (24.6)

130.5 (21.4)

138.3 (24.3)

 DBP, mmHg

80.4 (12.8)

78.0 (11.1)

79.2 (12.0)

 Heart rate, bpm

79.4 (12.5)

78.8 (11.7)

79.1 (12.1)

 RBG, mmol/L

7.2 (3.9)

6.0 (2.3)

6.6 (3.3)

Self-reported medical history, %

 Poor self-rated health

14.6

8.3

11.4

 Diabetesb

10.3

3.1

6.6

 Chronic kidney disease

1.4

1.3

1.4

 Cancer

0.6

0.6

0.6

Lifestyle habits

 Physical activity (SD), MET-h/day

13.0 (10.5)

21.3 (14.5)

17.3 (13.3)

    Ever regular smoking, %

     Male

75.1

74.8

75.0

     Female

9.3

3.3

5.8

    Regular alcohol drinking, %

     Male

25.0

36.1

29.6

     Female

2.8

2.4

2.6

  1. CVD cardiovascular disease, SD standard deviation, BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, RBG random blood glucose, MET metabolic equivalent.
  2. aThere were 40 participants with missing data for ambient temperature, and 31 participants with missing data for random glucose.
  3. bAlso included cases that were screen-detected at baseline based on random and/or fasting blood glucose levels.
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