Skip to main content

Table 1 Descriptive characteristics of the study sample.

From: Metabolic risk factors, physical activity and physical fitness in azorean adolescents: a cross-sectional study

Variables Total (n = 417) Girls (n = 243) Boys (n = 174)
Age, years 16.5 ± 0.9 16.5 ± 1.0 16.4 ± 0.8
Height, cm 165.0 ± 13.6 160.0 ± 11.0 172.0 ± 1.0*
Weight, kg 63.1 ± 12.5 58.6 ± 10.0 69.3 ± 13.1*
BMI, kg/m2 22.9 ± 3.7 22.7 ± 3.5 22.7 ± 3.5
Waist circumference, cm 79.3 ± 10.7 78.0 ± 10.3 81.2 ± 11.1*
Systolic BP, mm Hg 115.2 ± 15.3 111.8 ± 13.8 120.0 ± 16.1*
Diastolic BP, mm Hg 66.4 ± 9.4 66.3 ± 10.0 66.5 ± 8.6
HDL-cholesterol, mg/dl 55.6 ± 13.4 59.3 ± 13.0 50.5 ± 12.3*
Triglycerides, mg/dl 70.7 ± 35.1 72.5 ± 34.6 68.1 ± 35.6
Glucose, mg/dl 86.3 ± 8.8 84.5 ± 8.8 88.9 ± 8.3*
Mean step counts 7631 ± 3289 7427 ± 2725 7916 ± 3936
Number of MRF (%, n)    
No risk factors 41.0 (171) 35.8 (87) 48.3 (84)
1 risk factor 40.3 (168) 42.0 (102) 37.9 (66)
2 or more risk factors 18.7 (78) 22.2 (54) 13.8 (24)
Physical Fitness (%, n)    
UHZ 20mSRT 57.6 (240) 72.0 (175) 37.4 (65)
HZ 20mSRT + HZ in 1 test 1.7 (7) 1.6 (4) 1.7 (3)
HZ 20mSRT + HZ in 2 tests 7.7 (32) 6.2 (15) 9.8 (17)
HZ 20mSRT +HZ in 3 tests 15.6 (65) 11.1 (27) 21.8 (38)
HZ 20mSRT + HZ in 4 tests 17.5 (73) 9.1 (22) 29.3 (51)
  1. Values are means (SD). Student's t test, with Bonferroni corrections for differences between sex: *p < 0.001; BMI, body mass index; BP, blood pressure; HDL, high-density lipoprotein; MRF, metabolic risk factors; UHZ, under healthy zone; HZ, healthy zone; 20mSRT, 20 m Shuttle Run Test.