Table 4.
Distribution of anthropometric measures and blood biochemistry by group of tea and soda/sports/energy drink consumption in adolescents (n 4277)*
(Mean values or mean differences with their standard errors)
| Variable | All | LL | LH | HL | HH | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | se | P | Mean | se | P | Mean | se | P | Mean | se | P | Mean | se | P | |
| 1993–1996 (1st survey) | |||||||||||||||
| BMI (kg/m2) | 20·2 | 0·1 | 20·2 | 0·3 | 19·6 | 0·3 | 20·4 | 0·3 | 20·3 | 0·4 | |||||
| WC (cm) | 65·6 | 0·3 | 65·8 | 0·6 | 64·9 | 1·1 | 65·3 | 0·7 | 66·3 | 1·5 | |||||
| HDL-C (mg/dl)ǁ | 57·6 | 1·6 | 57·6 | 1·1 | 55·4 | 4·6 | 60·1 | 2·3 | 56·6 | 2·2 | |||||
| LDL-C (mg/dl)ǁ | 90·1 | 1·7 | 89·1 | 2·5 | 94·9 | 2·8 | 91·5 | 3·1 | 85·2 | 4·6 | |||||
| TC (mg/dl)ǁ | 161·5 | 2·1 | 160·6 | 2·3 | 164·1 | 3·1 | 165·3 | 3·6 | 154·7 | 5·3 | § | ||||
| TAG (mg/dl)ǁ | 68·3 | 2·0 | 68·8 | 2·6 | 68·8 | 3·3 | 67·9 | 2·0 | 63·4 | 4·2 | |||||
| FBG (mg/dl)ǁ | 80·0 | 0·8 | 80·0 | 0·8 | 79·9 | 0·7 | 79·7 | 1·3 | 80·5 | 0·7 | |||||
| SUA (mg/dl)ǁ | 6·5 | 0·1 | 6·3 | 0·1 | 7·0 | 0·2 | † | 6·4 | 0·1 | ‡ | 6·8 | 0·2 | † | ||
| 2010–2011 (2nd survey) | |||||||||||||||
| BMI (kg/m2) | 21·6 | 0·1 | 21·5 | 0·1 | 22·2 | 0·5 | 21·7 | 0·2 | 21·8 | 0·5 | |||||
| WC (cm) | 76·7 | 0·3 | 76·2 | 0·4 | 78·1 | 1·3 | 77·4 | 0·5 | 77·4 | 1·1 | |||||
| HDL-C (mg/dl) | 55·2 | 0·4 | 55·7 | 0·5 | 52·8 | 1·5 | 54·7 | 0·5 | 52·5 | 1·8 | |||||
| LDL-C (mg/dl) | 90·3 | 0·8 | 89·8 | 1·0 | 96·1 | 3·1 | 90·1 | 1·4 | 93·2 | 2·5 | |||||
| TC (mg/dl) | 159·7 | 0·9 | 159·6 | 1·2 | 164·4 | 2·7 | 159·1 | 1·4 | 160·8 | 2·2 | |||||
| TAG (mg/dl) | 71·3 | 1·1 | 70·3 | 1·1 | 78·3 | 3·9 | 72·4 | 1·7 | 74·1 | 3·6 | |||||
| FBG (mg/dl) | 94·6 | 0·4 | 94·3 | 0·4 | 97·4 | 1·4 | † | 94·8 | 0·6 | 94·5 | 1·1 | ||||
| SUA (mg/dl) | 5·8 | 0·0 | 5·7 | 0·0 | 6·6 | 0·2 | † | 5·9 | 0·1 | †‡ | 6·3 | 0·1 | †§ | ||
| Mean difference (2nd survey–1st survey) | |||||||||||||||
| BMI (kg/m2) | 1·4 | 0·2 | <0·001 | 1·2 | 0·3 | 0·003 | 2·6 | 0·5 | 0·001 | 1·2 | 0·4 | 0·008 | 1·5 | 0·6 | 0·041 |
| WC (cm) | 11 | 0·5 | <0·001 | 10·4 | 0·7 | <0·001 | 13·2 | 1·7 | <0·001 | 12·1 | 0·8 | <0·001 | 11·1 | 1·9 | <0·001 |
| HDL-C (mg/dl) | −2·5 | 1·7 | 0·164 | −1·9 | 1·2 | 0·151 | −2·6 | 4·8 | 0·605 | −5·4 | 2·4 | 0·045 | −4·0 | 2·9 | 0·192 |
| LDL-C (mg/dl) | 0·3 | 1·9 | 0·892 | 0·7 | 2·7 | 0·788 | 1·3 | 4·2 | 0·769 | −1·4 | 3·4 | 0·685 | 8·0 | 5·2 | 0·158 |
| TC (mg/dl) | −1·0 | 2·3 | 0·452 | −1·0 | 2·5 | 0·711 | 0·3 | 4·1 | 0·938 | −6·2 | 3·8 | 0·140 | 6·1 | 5·7 | 0·311 |
| TAG (mg/dl) | 3·1 | 2·3 | 0·216 | 1·4 | 2·8 | 0·624 | 9·5 | 5·1 | 0·095 | 4·6 | 2·6 | 0·114 | 10·7 | 5·5 | 0·082 |
| FBG (mg/d) | 14·6 | 0·9 | <0·001 | 14·3 | 0·9 | <0·001 | 17·4 | 1·5 | <0·001 | 15·1 | 1·4 | <0·001 | 14·0 | 1·3 | <0·001 |
| SUA (mg/dl) | −0·6 | 0·1 | <0·001 | −0·6 | 0·1 | <0·001 | −0·4 | 0·3 | 0·246 | −0·5 | 0·2 | 0·012 | −0·5 | 0·2 | 0·086 |
LL, low tea (<7 times/week) and low soda/sports drink intake (<4·5 times/week); LH, low tea (<7 times/week) and high soda/sports drink intake (≥4·5 times/week); HL, high tea (≥7 times/week) and low soda/sports drink intake (<4·5 times/week); HH, high tea (≥7 times/week) and high soda/sports drink intake (≥4·5 times/week); WC, waist circumference; HDL-C, HDL-cholesterol; LDL-C, LDL-cholesterol; TC, total cholesterol; FBG, fasting blood glucose; SUA, serum uric acid.
Values have been age standardised to the age distribution of 1993–1996.
Significantly different from participants in the LL group in the same survey (P < 0·05; t test).
Significantly different from participants in the LH group in the same survey (P < 0·05; t test).
Significantly different from participants in the HL group in the same survey (P < 0·05; t test).
ǁ To convert cholesterol from mg/dl to mmol/l, multiply by 0·0259. To convert TAG from mg/dl to mmol/l, multiply by 0·0113. To convert FBG from mg/dl to mmol/l, multiply by 0·0555. To convert SUA from mg/dl to μmol/l, multiply by 59·48.