Table 3.
Sociodemographic, anthropometric and biochemical variables according to tertile of calcium intake among urban schoolchildren aged 8–9 years (n 350), Viçosa, Minas Gerais, Brazil, 2015
| Ca intake (mg) | |||||||
|---|---|---|---|---|---|---|---|
| 1st tertile (n 116) | 2nd tertile (n 119) | 3rd tertile (n 115) | |||||
| Variables | Mean | sd | Mean | sd | Mean | sd | P value |
| Income per capita (reais) | 506·08a | 440·20 | 734·51b | 721·19 | 951·93b | 825·73 | <0·001* |
| BMI (kg/m²) | 17·80 | 3·87 | 17·58 | 3·33 | 16·95 | 2·97 | 0·456 |
| Waist circumference (cm) | 61·38 | 10·45 | 60·97 | 9·21 | 58·72 | 8·14 | 0·269 |
| WHtR | 0·45 | 0·06 | 0·44 | 0·06 | 0·43 | 0·05 | 0·213 |
| BF (%) | 24·99 | 11·16 | 23·71 | 9·69 | 23·35 | 9·57 | 0·807 |
| TC (mg/dl) | 150·64 | 22·38 | 152·14 | 27·07 | 156·80 | 29·05 | 0·151 |
| HDL-C (mg/dl) | 49·19 | 9·60 | 50·20 | 10·93 | 52·43 | 9·93 | 0·182 |
| LDL-C (mg/dl) | 84·79 | 20·60 | 85·28 | 20·76 | 90·50 | 24·26 | 0·097 |
| TAG (mg/dl) | 79·56 | 40·66 | 76·99 | 38·90 | 82·83 | 35·78 | 0·536 |
| Glucose (mg/dl) | 84·72 | 8·87 | 84·62 | 7·37 | 85·49 | 7·00 | 0·602 |
| HOMA-IR | 1·19 | 0·72 | 1·19 | 1·02 | 1·11 | 0·66 | 0·490 |
WHtR, waist-to-height ratio; BF (%), body fat percentage; TC, total cholesterol; HDL-C, HDL cholesterol; LDL-C, LDL cholesterol; HOMA-IR. homeostasis model assessment of insulin resistance.
a,bMean values within a row with unlike superscript letters were significantly different.
*
P<0·05 (ANOVA with post hoc Tukey test).