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Table 1 Demographic and anthropometric characteristics of respondents

From: Blood pressure profile of primary school children in Eastern Cape province, South Africa: prevalence and risk factors

Characteristic

N (Valid %) or Mean ± SD

Gender

 Boys

351 (40.3)

 Girls

519 (59.7)

Age (years)

11.0 ± 1.5

Age Categories

 9 to 10 years

222 (25.5)

 11 to 12 years

423 (48.6)

 13 to 14 years

225 (25.9)

Residence

 Urban

411 (47.2)

 Rural

459 (52.8)

Weight (kg)

39.3 ± 10.4

Height (cm)

144.1 ± 10.8

BMI (kg/m2)

18.8 ± 4.1

BMI Categories

 Underweight

540 (62.1)

 Normal

279 (32.1)

 Overweight

32 (3.7)

 Obese

19 (2.2)

SBP (mmHg)

107.8 ± 19.4

DBP (mmHg)

66.7 ± 13.3

Blood Pressure Categories

 Normal Blood Pressure

664 (76.3)

 Pre-Hypertension

161 (18.5)

 Hypertension

45 (5.2)

Elevated Blood Pressure

 Yes

206 (23.7)

 No

664 (76.3)

  1. N = 870