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Table 1 Baseline characteristics of the CARLA study population (2002-2006)

From: Association of health behaviour with heart rate variability: a population-based study

 

Women (n = 812)

Men (n = 967)

 

N

Mean (Standard deviation) or Proportion

N

Mean (Standard deviation) or Proportion

Age (yrs)

812

63.7

(9.9)

967

64.9

(10.2)

Heart rate

812

71.5

(10.6)

966

71.34

(12.4)

LDL/HDL-Quotient

807

2.4

(0.9)

960

2.8

(1.0)

Body mass index (kg/m2)

812

28.5

(5.4)

967

28.5

(4.1)

Waist-to-hip ratio (WHR)

812

0.9

(0.1)

967

1.0

(0.1)

Smoking:

      

   Current

119

17.1%

 

225

27.6%

 

   Past

140

18.1%

 

496

46.9%

 

   Never

553

64.8%

 

245

25.5%

 

   Packyears of tobacco products

812

4.3

(9.0)

964

15.6

(16.6)

   Currently smoked no. of tobacco products/day

812

1.9

(5.4)

966

3.8

(8.8)

Alcohol consumption % >20 (female)/30 (male) g/day

32

4.5%

 

197

22.5%

 

   Alcohol g/day

812

4.1

(7.1)

964

17.5

(18.67)

Sports: % active (any sports)

347

42.3%

 

296

31.3%

 

   Sport-index

808

2.4

(0.7)

962

2.4

(0.7)

   Leisure-time-index

810

3.1

(0.6)

966

3.1

(0.6)

   MET-hours per week1

347

9.6

(7.6)

296

13.1

(10.4)

Dietary pattern index

812

16.4

(3.2)

965

14.5

(3.2)

Education (years of training):

      

   <= 10 years

122

13.6%

 

36

4.2%

 

   11-13 years

387

47.0%

 

391

42.0%

 

   14-17 years

231

29.1%

 

335

32.7%

 

   >= 18 years

72

10.2%

 

205

21.1%

 

Drug use:

      

   Betablockers

279

33.2%

 

307

27.6%

 

   ACE-Inhibitors

254

28.5%

 

340

30.2%

 

Disease prevalence:

      

   Myocardial infarction (MI)2

17

1.9%

 

88

7.6%

 

   Stroke

27

2.8%

 

42

3.5%

 

   Cardiovascular Disease (CVD)3

48

5.2%

 

153

12.7%

 

   Hypertension4

608

71.2%

 

789

78.7%

 

   Diabetes mellitus5

120

13.1%

 

154

15.9%

 
  1. 1MET: metabolic equivalent
  2. 2MI: defined as self-reported physician-diagnosed myocardial infarction and/or definite MI by physician-validated Minnesota Code of the 10-second ECG
  3. 3CVD: including prevalent myocardial infarction, coronary artery bypass graft, percutaneous transluminal coronary angioplasty, stroke, carotid surgery
  4. 4Hypertension defined as SBP >= 140 and/or DBP >= 90 mmHg, and/or use of antihypertensive medication by ATC code
  5. 5Diabetes defined as self-reported physician-diagnosed diabetes mellitus and/or use of anti-diabetic medication by ATC code