Table 5.
Simple linear regression coefficient and respective confidence intervals for the association between Body Mass Index by age, body fat percentage, fat percentage in the android region, and waist circumference between 4 and 7 years of age, according to sociodemographics, Viçosa, MG, 2011-2012.
| Variables | BMI/I (escore-z) | Body fat (%)* | Fat in android region (%)* | Waist circumference* (cm) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| β | IC 95% | P value | β | IC 95% | P value | β | IC 95% | P value | β | IC 95% | P value | |
| Sex | ||||||||||||
| Masculine | — | — | — | — | — | — | — | — | — | — | — | — |
| Feminine | −0.37 | −0.68–−0.62 | 0.02 | 0.24 | 0.14–0.34 | 0.00 | 0.24 | 0.08–0.39 | <0.001 | −0.02 | −0.05–0.01 | 0.14 |
| Actual age (months) | 0.01 | −0.00–0.02 | 0.14 | 0.01 | 0.00-0.01 | 0.02 | 0.01 | 0.00-0.01 | <0.001 | 0.00 | 0.00-0.01 | <0.001 |
| Maternal age (years) | −0.01 | −0.03–0.02 | 0.55 | 0.00 | −0.01–0.01 | 0.84 | 0.00 | −0.01–0.01 | 0.89 | 0.00 | −0.00-0.00 | 0.38 |
| Maternal Education | ||||||||||||
| >8 years | — | — | — | — | — | — | — | — | — | — | — | — |
| ≤8 years | −0.11 | −0.43–2.20 | 0.47 | −0.04 | −0.15–0.06 | 0.39 | −0.02 | −0.18–0.13 | 0.76 | −0.01 | −0.03–0.02 | 0.67 |
| Paternal Education | ||||||||||||
| >8 years | — | — | — | — | — | — | — | — | — | — | — | — |
| ≤8 years | 0.13 | −0.19–0.45 | 0.42 | 0.00 | −0.10–0.11 | 0.93 | 0.04 | −0.12–0.20 | 0.63 | 0.02 | −0.00–0.05 | 0.09 |
| Per capita Income (reais) | 0.00 | −0.00-0.00 | 0.45 | 0.00 | −0.00-0.00 | 0.37 | −0.00 | −0.00-0.00 | 0.76 | 0.00 | −0.00-0.00 | 0.70 |
| Place of residence | ||||||||||||
| Rural | — | — | — | — | — | — | — | — | — | — | — | — |
| Urban | −0.38 | −0.93–0.15 | 0.16 | −0.06 | −0.24–0.12 | 0.50 | 0.05 | −0.22–0.33 | 0.70 | −0.02 | −0.07–0.02 | 0.30 |
BMI = Body Mass Index; β = linear regression coefficient; IC = confidence interval, cm = centimeter; *in logarithm.