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Table 1 Description of demographic, lifestyle, and metabolic risk factors

From: Ten-year risk of fatal cardiovascular disease and its association with metabolic risk factors among waste pickers in South Africa

Continuous variables

Mean (standard deviation)

Age (years)

34.00 (10.00)

Years of work

6.70 (5.50)

Income (United States Dollars)

123.58 (136.05)

BMI (kg/m2)

22.71 (6.59)

Blood glucose (mmol/L)

5.10 (2.43)

Total cholesterol (mmol/L)

3.23 (1.33)

Systolic blood pressure (mmHg)

120.30 (21.31)

Diastolic blood pressure (mmHg)

76.46 (17.29)

Factor variables

n (%)

Sex

 Male

265 (73.41)

 Female

96 (26.59)

Age group

 Less than 20

6 (1.62)

 20–29

139 (37.57)

 30–39

136 (36.76)

 40–49

38 (10.27)

 50+ 

51 (13.78)

Education

 None

15 (4.17)

 Primary

59 (16.39)

 Secondary

286 (79.44)

Clinic visits

 No

208 (58.76)

 Yes

146 (41.24)

Smoking status

 No smoking

110 (31.43)

 Currently smoking

240 (68.57)

Alcohol

 No

162 (58.27)

 Yes

116 (41.73)

Injuries

 No

62 (17.27)

 Yes

297 (82.73)

HIV

 No

305 (88.41)

 Yes

40 (11.59)

BMI category

 Underweight

83 (22.55)

 Normal weight

202(54.89)

 Overweight

40 (10.87)

Obese

43 (11.68)

 Hypertension

 Non-hypertensive

288 (77.84)

Hypertensive

82 (22.16)

Blood glucose category

 Normal

362 (97.84)

 Moderate

4 (1.08)

 High

4 (1.08)