Table 1 Sample characteristics for the CRP and fibrinogen analyses.

From: Systemic inflammation and emotional responses during the COVID-19 pandemic

Variable

CRP (n = 3574)

Fibrinogen (n = 3314)

Obs.

Mean (SD)/N (%)

Range

Obs.

Mean (SD)/N (%)

Range

Age

 

3574

67.91 (8.38)

52–90

3314

67.87 (8.42)

52–90

Sex

Male

1548

43.31%

 

1439

43.42%

 
 

Female

2026

56.69%

 

1875

56.58%

 

Education

Higher education

1492

41.75%

 

1362

41.10%

 
 

Tertiary education

413

11.56%

 

389

11.74%

 
 

Secondary/primary education

910

25.46%

 

850

25.65%

 
 

Alternative or no education

759

21.24%

 

713

21.51%

 

Wealth

Lowest quintile (1)

428

11.98%

 

411

12.40%

 
 

2nd Quintile

558

15.61%

 

514

15.51%

 
 

3rd Quintile

805

22.52%

 

747

22.54%

 
 

4th Quintile

917

25.66%

 

848

25.59%

 
 

Highest quintile (5)

866

24.23%

 

794

23.96%

 

Smoking status

Non-smoker

2916

81.59%

 

2701

81.50%

 
 

Smoker

658

18.41%

 

613

18.50%

 

Alcohol consumption

Less than daily

2886

80.75%

 

2680

80.87%

 
 

Daily (5–7 per week)

688

19.25%

 

634

19.13%

 

Physical activity (moderate/vigorous)

Sedentary (0)

443

12.40%

 

418

12.61%

 
 

1

479

13.40%

 

443

13.37%

 
 

2

1116

31.23%

 

1042

31.44%

 
 

3

652

18.24%

 

603

18.20%

 
 

Active (4)

884

24.73%

 

808

24.38%

 

Triglyceride (mmol/l)

 

3574

1.43 (0.69)

0.3–4.5

3314

1.43 (0.69)

0.4–4.5

HDL (mmol/l)

 

3574

1.60 (0.47)

0.4–4

3314

1.59 (0.47)

0.4–4

LDL (mmol/l)

 

3574

2.91 (0.98)

0.4–7.6

3314

2.91 (0.98)

0.4–7.6

Limiting longstanding illness

No

2534

70.90%

 

2329

70.28%

 
 

Yes

1040

29.10%

 

985

29.72%

 

COVID-19 NHS CORE symptoms

No

3491

97.71%

 

3231

97.52%

 

Yes

82

2.29%

 

82

2.48%

 

Hospitalization for COVID-19

No

3 561

99.66%

 

3301

99.64%

 

Yes

12

0.34%

 

12

0.36%

 

CRP (log, ≤20 mg/L)

 

3 574

0.96 (0.60)

0.01–3.01

-

-

-

CRP (≤20 mg/L)

<3 mg/L

2 732

76.44%

 

-

-

-

≥3 mg/L

842

23.56%

 

-

-

-

Fibrinogen (g/L)

 

-

-

-

3314

3.23 (0.56)

1.6–6.5

Depressive symptoms (Baseline CES-D)

 

3 574

1.02 (1.41)

0–7

3314

0.08 (0.26)

0–1

Depressive symptoms (Pandemic CES-D)

 

3 574

1.56 (1.88)

0–7

3314

0.16 (0.37)

0–1

Depressive symptoms (Baseline CES-D)

<4

3 317

92.81%

 

3,067

92.55%

 

≥4

257

7.19%

 

247

7.45%

 

Depressive symptoms (Pandemic CES-D)

<4

3 001

83.97%

 

2773

83.68%

 

≥4

573

16.03%

 

541

16.32%

 
  1. NHS National Health Service.