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Table 1 Baseline characteristics

From: The risk of COVID-19 in survivors of domestic violence and abuse

Total number

Exposed group

Unexposed group

(n=10,462)

(n=41,467)

Age [mean (SD)]

42.38 (13.49)

41.74 (13.42)

Age [median (IQR)]

41.00 (32.00–51.00)

40.00 (32.00–50.00)

Age categories [n (%)]

16–30 years

1797 (17.18)

7831 (18.88)

30–40 years

3087 (29.51)

12241 (29.52)

40–50 years

2561 (24.48)

10131 (24.43)

50–60 years

1914 (18.29)

7307 (17.62)

60–70 years

726 (6.94)

2610 (6.29)

>70 years

377 (3.60)

1347 (3.25)

BMI [mean (SD)]

27.09 (6.78)

26.47 (6.60)

BMI [median (IQR)]

25.00 (22.00-30.00)

24.00 (21.00-29.00)

BMI categories [n (%)]

Underweight (<18.5)

433 (4.14)

1200 (2.89)

Normal weight (18.5–24.9)

3493 (33.39)

13913 (33.55)

Overweight (25–30)

2383 (22.78)

7362 (17.75)

Obese (>30)

2412 (23.05)

6970 (16.81)

Missing

1741 (16.64)

12022 (28.99)

Smoker categories [n (%)]

Non-smoker

3690 (35.27)

19809 (47.77)

Ex-smoker

1807 (17.27)

5331 (12.86)

Smoker

4317 (41.26)

7989 (19.27)

Missing

648 (6.19)

8338 (20.11)

Ethnicity [n (%)]

Caucasian

5780 (55.25)

13184 (31.79)

South Asian

456 (4.36)

785 (1.89)

Black Afro-Caribbean

303 (2.90)

510 (1.23)

Mixed race

117 (1.12)

225 (0.54)

Chinese/Middle Eastern/others

1848 (17.66)

6816 (16.44)

Missing

1958 (18.72)

19947 (48.10)

eGFR [mean (SD)]

99.98 (18.39)

100.04 (18.72)

eGFR [median (IQR)]

101.00 (88.00–112.00)

101.00 (87.00–113.00)

eGFR categories [n (%)]

Stage 1/2 (>60 mL/min)

7020 (67.10)

17329 (41.79)

Stage 3 (30–59 mL/min)

135 (1.29)

293 (0.71)

Stage 4 (<30 mL/min)

8 (0.08)

33 (0.08)

Missing

3299 (31.53)

23812 (57.42)

Systolic BP [mean (SD)]

120.42 (15.23)

119.67 (14.55)

Systolic BP [median (IQR)]

120.00 (110.00–130.00)

120.00 (110.00–130.00)

Systolic BP categories [n (%)]

Normal (<120 mm Hg)

4463 (42.66)

15294 (36.88)

Prehypertension (120–129 mm Hg)

2357 (22.53)

8803 (21.23)

Hypertension stage 1 (130–139 mm Hg)

1529 (14.61)

5159 (12.44)

Hypertension stage 2 (140–149 mm Hg)

1066 (10.19)

3003 (7.24)

Missing

1047 (10.01)

9208 (22.21)

Other co-morbidities [n (%)]

Hypertension

2289 (21.88)

6591 (15.89)

Diabetes

449 (4.29)

881 (2.12)

Cancer

225 (2.15)

614 (1.48)

Cardiac diseases

373 (3.57)

627 (1.51)

  Myocardial infarction

71 (0.68)

109 (0.26)

  Heart failure

43 (0.41)

96 (0.23)

  Stroke/TIA

205 (1.96)

274 (0.66)

  Atrial fibrillation

40 (0.38)

79 (0.19)

  Peripheral vascular disease

83 (0.79)

147 (0.35)

Chronic liver disease

190 (1.82)

167 (0.40)

  Mild liver disease

185 (1.77)

163 (0.39)

  Moderate/severe liver disease

22 (0.21)

14 (0.03)

Neuron disease

330 (3.15)

674 (1.63)

  Parkinson’s disease

10 (0.10)

9 (0.02)

  Motor neuron disease

1 (0.01)

1 (0.00)

  Multiple sclerosis

35 (0.33)

92 (0.22)

  Epilepsy

286 (2.73)

572 (1.38)

  Myasthenia gravis

2 (0.02)

5 (0.01)

Rheumatic diseases

589 (5.63)

1455 (3.51)

  SLE

30 (0.29)

38 (0.09)

  Rheumatoid arthritis

82 (0.78)

150 (0.36)

  Psoriasis

489 (4.67)

1283 (3.09)

Dementia

45 (0.43)

64 (0.15)

Severe respiratory disease

69 (0.66)

99 (0.24)

Asthma

2296 (21.95)

5781 (13.94)

COPD

310 (2.96)

296 (0.71)

Solid organ transplant

7 (0.07)

23 (0.06)

Prescriptions (any time prior to index date) [n (%)]

Immunosuppressive drug therapies

25 (0.24)

70 (0.17)