Table 1 Background characteristics and distribution of comorbidities among new staff attending staff medical center at Hamad Medical Corporation (N = 3,097)

Age (years)

 < 30

1,320

42.7

 30–39

1,422

46.0

 ≥ 40

351

11.3

mean ± SD

31.8 ± 6.9

Sex

 Female

1,546

49.9

 Male

1,551

50.1

Marital status

 Single

1,096

35.4

 Married

1,979

63.9

 Divorced

22

0.7

Nationality

 Indian

1,122

36.2

 Filipino

535

17.3

 Jordanian

288

9.3

 Sudanese

217

7.0

 Qatari

142

4.6

 Egyptian

73

2.4

 Pakistani

82

2.6

 Tunisian

81

2.6

 Egyptian

73

2.4

 Syrian

65

2.1

 Lebanese

55

1.8

 Bangladeshi

30

1.0

 Others

334

10.8

Occupation

 Nurse

1,185

38.3

 Physician

582

18.8

 Technician professional

349

11.2

 Paramedic

289

9.3

 Patient care attendant

249

8.0

 Administrative

101

3.3

 Pharmacist

92

3.0

 Physiotherapist

58

1.9

 Occupational therapist

58

1.9

 Researcher/analyst

37

1.2

 Respiratory therapist

31

1.0

 Others^a

66

2.1

Presence of any comorbidities

 Yes

957

30.9

 No

2,140

69.1

Number of comorbidities (n = 957)

 One comorbidity

643

67.2

 Two comorbidities

219

22.1

 Three or more comorbidities

95

9.2

Diabetes mellitus

349

11.3

Thyroid disease

302

9.8

Hypertension

228

7.4

Prediabetes

130

4.2

Dyslipidemia

116

3.7

Chronic lung disease^b

101

3.3

Anxiety

65

2.1

Depression

32

1.0

Cardiovascular disease

18

0.6

Chronic kidney disease

14

0.5

Cancer

13

0.4

Stress

12

0.4