Mc 780 s ma

Anthropometric measurements included measurements of body height and body weight. Body height (cm) measurements were made using a Tanita HR-001 Mobile Growth Meter. Body height was measured as the maximum distance from the highest point on the head to the floor. The child stood barefoot with his eyes directed straight ahead. The feet were joined, and the shoulders at the sides, heels of the buttocks and upper back were in contact with the mobile growth meter. The body height and circumferences were measured to the nearest 1 cm. Body weight (kg) was measured in light clothes on a Tanita MC-780 S MA. Body weight was recorded to the nearest 100 g. All measurements were taken in the morning after a light breakfast. Based on the above-described measurements, the following indices were calculated: (1) BMI; (2) BMI z-scores; and (3) BMI percentile.
Body mass index was calculated as weight/height squared per Quetelet’s II index (kg/m²; Vanderwall et al., 2017 (link)). BMI z-scores were computed from the WHO references to adjust BMI for age and sex with use of application AntrhoPlus (de Onis et al., 2007 (link); World Health Organization, 2009 ). Weight was recorded to the nearest kg with clothing on a standard scale, and height and circumferences were measured to the nearest cm. All measurements were taken in the morning after a light breakfast.

The variables taken into account in the study were anthropometry (weight and height), sociodemographic variables (gender and age), urine creatinine levels and levels of Bisphenols in biological matrices.
Anthropometric measurements were taken by qualified personnel. Height was taken with a measuring rod [model SECA 214 (20–207 cm)], while weight was measured with a portable Tanita scale (model MC 780-S MA). Body mass index (BMI) was calculated as weight in kg divided by height squared, in meters. Participants were classified as underweight, normal weight, overweight and obese using the standards proposed by the International Obesity Task Force, as described by Cole et al. (28 (link), 29 (link)).
The determination of creatinine levels in the urine samples was analyzed by The Ángel Méndez Soto Clinical Analysis Laboratory. The method used was the classical Jaffé method, based on photometric measurement of the reaction kinetics of creatinine with picric acid at 37°C (30 (link), 31 (link)). Biosystems provided a reagent kit (Barcelona, Spain).

A multi-frequency segmented body mass composition analyzer (TANITA MC-780 S MA) employing bioimpedance analysis (BIA) was used to examine body mass composition in children. The analysis of all body mass composition components took approximately 20 s. Age, sex, and height without a decimal number were entered into the analyzer. The standard was selected for all subjects. The analysis was performed in a barefoot position, with each child barefoot and dressed in underwear. For the purposes of this study, this segmental body mass composition analyzer measured body mass index, basal metabolic rate, body fat percentage, fat mass, fat-free mass, total body water, predicted muscle mass, impedance, bone mass, and phase angle (Table 2) [14 (link),27 (link),28 (link),29 (link),30 (link),31 (link),32 (link),33 (link),34 (link),35 (link),36 (link)].