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Table 1 Characteristics of the study population

From: Universal screening for cardiovascular disease risk factors in adolescents to identify high-risk families: a population-based cross-sectional study

Variable

Number

Male

Female

p

3467

1718 (50 %)

1749 (50 %)

BMI classification (World Health Organization)

3382

  

0.002

 Underweight (<5th percentile)

 

36 (2 %)

32 (2 %)

 

 Normal weight (≥5th–<85th percentile)

 

1042 (62 %)

1157 (68 %)

 

 Overweight (≥85th–<95th percentile)

 

251 (15 %)

239 (14 %)

 

 Obese (≥95th percentile)

 

349 (21 %)

276 (16 %)

 

Waist-to-height ratio

3382

  

0.24

 <0.5

 

1324 (79 %)

1379 (81 %)

 

 0.5–< 0.6

 

281 (17 %)

266 (16 %)

 

 ≥0.6

 

73 (4 %)

59 (3 %)

 

Elevated blood pressure (maximum systolic/diastolic blood pressure)

3359

   

 Normal (<90th percentile)

 

1526 (91 %)

1544 (91 %)

0.46

 Pre-hypertension (90–< 95th percentile)

 

76 (5 %)

91 (5 %)

 

 Stage 1 hypertension (95th–< 99th percentile)

 

52 (3 %)

44 (3 %)

 

 Stage 2 hypertension (≥99th percentile)

 

15 (1 %)

11 (1 %)

 

Total cholesterol classification

3061

  

<0.001

 Normal (<4.4 mmol/L)

 

1282 (84 %)

1122 (73 %)

 

 Borderline high (4.4–< 5.2 mmol/L)

 

191 (13 %)

323 (21 %)

 

 High (≥5.2 mmol/L)

 

50 (3 %)

93 (6 %)

 

Low high-density lipoprotein (HDL-C) (<1.03 mmol/L)

3005

572 (38 %)

279 (18 %)

<0.001

Non-high density lipoprotein (non-HDL-C) classification

3061

  

0.001

 Normal

 

1224 (80 %)

1149 (75 %)

 

 Borderline high (≥3.10 to <3.75 mmol/L)

 

196 (13 %)

268 (17 %)

 

 High (≥3.75 mmol/L)

 

103 (7 %)

121 (8 %)

 
  1. P values correspond to differences between males and females regarding classification distribution or prevalence of abnormalities