Table 1. Trends in anthropometric and metabolic characteristics in 2 age groups of adolescent males (1999–2008): Tehran Lipid and Glucose Study.
| (1999–2001) Survey 1 |
(2002–2005) Survey 2 |
(2005–2008) Survey 3 |
||||
| Age groups (years) | 10–14 | 15–19 | 10–14 | 15–19 | 10–14 | 15–19 |
| Age (years)b | 12.4(1) | 16.8(1) | 12.2(1) | 17.1(1) | 12.2(1) | 17.2(1) |
|
n % adolescents in each survey |
688 22.8 |
734 24.4 |
190 17.2 |
346 31.2 |
230 21.1 |
278 25.5 |
| Weight (kg) | 43.0(13)b | 63.2(14) | 47.2(15) | 66.9(15) | 43.3(15)c | 68.1(16)d |
| Height (cm) | 150.1(11) | 171.1(7) | 151.3(11) | 172.4(6) | 147.1(10)c | 172.0(8)d |
| BMIa (kg/m2) | 18.7(4) | 21.5(4) | 20.2(5) | 22.4(5) | 19.7(5)c | 23.0(6)d |
| WCa (cm) | 64.9(11) | 73.9(11) | 72.6(13) | 80.4(12) | 71.3(13)c | 81.5(13)d |
| Systolic BPa (mm Hg) | 103(11) | 110(12) | 101(11) | 108(11) | 98(12)c | 108(11)d |
| Diastolic BPa (mm Hg) | 69.5(9) | 72.3(9) | 65.6(10) | 69.6(10) | 63.8(10)c | 69.0(10)d |
| TGa (mg/dL) | 89.0 | 97.0 | 96.5 | 92.0 | 82.0 | 91.0d |
| HDL-Ca (mg/dL) | 45.0(11) | 40.4(9) | 42.3(11) | 37.6(9) | 46.8(11)c | 39.8(8)d |
| LDL-Ca (mg/dL) | 102(27) | 98(30) | 99(28) | 88(25) | 95(25)c | 83(22)d |
| TCa (mg/dL) | 167(31) | 161(35) | 163(29) | 145(29) | 162(29) | 144(27)d |
aBMI: body mass index, WC: waist circumference, BP: blood pressure, TG: triglyceride, HDL-C: high-density lipoprotein cholesterol, LDL-C: low-density lipoprotein cholesterol, TC: total cholesterol. bMeans (SD), TG is median. cSignificant difference between the 3 surveys in 10–14 year age group. dSignificant difference between the 3 surveys in 15–19 year age group.