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Table 2 Effects (with 95% CI) of a doubling in the inflammatory marker at baseline on 5-year changes in heart rate and HRV indices

From: Adiponectin, biomarkers of inflammation and changes in cardiac autonomic function: Whitehall II study

Outcome

Model

hsCRP

IL-6

IL-1Ra

n

Estimate

p

n

Estimate

p

n

Estimate

p

Heart rate (bpm)

1

13,251

0.2 (0.1; 0.3)

< 0.001

12,971

0.1 (0.0; 0.3)

0.100

7241

0.7 (0.4; 1.0)

< 0.001

2

13,251

0.1 (0.0; 0.2)

0.052

12,971

0.0 (− 0.2; 0.2)

0.910

7241

0.6 (0.3; 1.0)

< 0.001

3

13,251

0.1 (0.0; 0.2)

0.108

12,971

0.0 (− 0.2; 0.1)

0.696

7241

0.6 (0.2; 0.9)

0.002

SDNN (% diff)

1

4258

0.1 (− 0.7; 0.9)

0.796

4286

− 0.3 (− 1.8; 1.3)

0.731

2399

− 3.2 (− 5.7; − 0.6)

0.018

2

4258

0.3 (− 0.6; 1.2)

0.502

4286

− 0.1 (− 1.6; 1.6)

0.949

2399

− 2.3 (− 5.0; 0.6)

0.120

3

4258

0.5 (− 0.4; 1.4)

0.267

4286

0.3 (− 1.3; 1.9)

0.750

2399

− 1.8 (− 4.6; 1.1)

0.225

RMSSD (% diff)

1

4258

0.5 (− 0.6; 1.7)

0.376

4286

0.7 (− 1.5; 2.8)

0.546

2399

− 2.0 (− 5.6; 1.7)

0.277

2

4258

0.6 (− 0.7; 1.9)

0.360

4286

0.8 (− 1.5; 3.0)

0.513

2399

− 1.1 (− 4.9; 2.9)

0.580

3

4258

0.6 (− 0.7; 1.9)

0.354

4286

0.7 (− 1.5; 3.0)

0.529

2399

− 0.9 (− 4.9; 3.1)

0.644

Low frequency power (% diff)

1

4258

− 0.9 (− 2.7; 0.9)

0.342

4286

− 1.8 (− 5.1; 1.6)

0.299

2399

− 7.1 (− 12.5; − 1.4)

0.016

2

4258

− 0.1 (− 2.1; 1.9)

0.930

4286

− 0.7 (− 4.2; 2.9)

0.694

2399

− 3.9 (− 9.8; 2.5)

0.227

3

4258

0.5 (− 1.5; 2.5)

0.645

4286

0.1 (− 3.4; 3.8)

0.937

2399

− 2.7 (− 8.8; 3.9)

0.420

High frequency power (% diff)

1

4258

0.6 (− 1.5; 2.7)

0.588

4286

1.3 (− 2.5; 5.2)

0.510

2399

− 5.2 (− 11.3; 1.3)

0.114

2

4258

1.1 (− 1.2; 3.4)

0.347

4286

2.0 (− 2.0; 6.1)

0.334

2399

− 2.8 (− 9.5; 4.3)

0.430

3

4258

1.2 (− 1.1; 3.5)

0.299

4286

2.1 (− 1.9; 6.3)

0.312

2399

− 2.3 (− 9.1; 5.0)

0.524

LF/HF ratio (% diff)

1

4258

− 1.4 (− 2.7; − 0.2)

0.027

4286

− 3.0 (− 5.3; − 0.6)

0.013

2399

− 1.7 (− 5.8; 2.6)

0.433

2

4258

− 1.2 (− 2.6; 0.2)

0.099

4286

− 2.6 (− 5.0; − 0.1)

0.039

2399

− 1.0 (− 5.4; 3.7)

0.684

3

4258

− 0.7 (− 2.1; 0.7)

0.314

4286

− 1.8 (− 4.3; 0.7)

0.152

2399

− 0.3 (− 4.8; 4.5)

0.913

Total power (% diff)

1

4258

0.0 (− 1.6; 1.6)

0.973

4286

− 0.7 (− 3.7; 2.3)

0.630

2399

− 6.4 (− 11.3; − 1.3)

0.015

2

4258

0.5 (− 1.3; 2.3)

0.596

4286

− 0.1 (− 3.3; 3.1)

0.939

2399

− 4.2 (− 9.5; 1.4)

0.142

3

4258

1.0 (− 0.8; 2.8)

0.282

4286

0.7 (− 2.5; 3.9)

0.690

2399

− 3.2 (− 8.7; 2.6)

0.274

  1. bpm beats per minute, diff. difference, N number of person-examinations used in the particular analysis
  2. p: p value for the test of the effect being equal to zero
  3. Model 1: Adjusted for age, sex, ethnicity, study phase and diabetes. For HRV indices, further adjustment for heart rate obtained as part of the HRV analyses
  4. Model 2: Further adjustment for BMI and physical activity
  5. Model 3: Further adjustment for smoking, systolic blood pressure, total cholesterol, triglycerides, tricyclic antidepressants, diuretics and beta blockers