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Hd 351 scale

Manufactured by Tanita
Sourced in Japan

The HD-351 scale by Tanita is a laboratory-grade device designed to accurately measure weight. It features a high-precision weighing mechanism and a clear digital display to provide reliable and consistent measurements. The HD-351 is intended for use in research, clinical, or industrial settings where precise weight data is required.

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Lab products found in correlation

3 protocols using hd 351 scale

1

Anthropometric Measurements in ART Cohort

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We measured the weight of participants at baseline during their periodic ART clinic visits. The height of subjects was however measured during their first visit only. Height was measured with a stadiometer and rounded to the nearest 0.1 cm. The Tanita HD-351 Scale was used for weight measurement and rounded to the nearest 0.05 kg. BMI was calculated using the formula (body weight in kilograms)/(height in meters)2.
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2

Maternal Anthropometric Measurements and Antenatal Care

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We obtained maternal height and weight during pregnancy from mothers’ ANC records. Height was measured during the first ANC appointment with a stadiometer and the value was rounded to the nearest 0.1 cm whereas weight was measured at the first ANC appointment and at the last ANC prior to delivery using a Tanita HD-351 scale that was regularly calibrated and was rounded to the nearest 0.05 kg. Self-reported pre-pregnancy weight highly correlated with weight measured during pregnancy. Weight gain during pregnancy was determined by subtracting weight at first ANC from the weight at last ANC prior to delivery. Pre-pregnancy body mass index (BMI) was categorized into underweight (<18.50 kg/m2), normal (18.50–24.99 kg/m2), overweight (25.00–29.99 kg/m2) and obese (≥30 kg/m2) (WHO, 2000 ). The number of ANC visits during pregnancy was categorized into 1–4 times, 5–8 times and >8 times.
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3

Maternal Weight and Breastfeeding Practices

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Questionnaires were administered before hospital discharge, at the one-week home visit, and during the 12-month and 24-month visits at the field office. Collected information included demographics (e.g., child sex, age at delivery, duration of breastfeeding) and IRS during pregnancy and the period preceding each time point. The total duration of breastfeeding was approximated based on the question “How many months old was [child’s name] when you stopped breastfeeding completely?” The duration of exclusive breastfeeding was approximated based on the question “How many months did you exclusively breast-feed, that is, for how many months did [child’s name] only receive breast milk without any additional food or water?” Mothers were weighed at study enrollment and at the 12-month and 24-month visits using a Tanita HD-351 scale (Tokyo, Japan). Birth weight was measured using a Tanita BD-815U neonatal scale (Tokyo, Japan) in the delivery suite shortly after delivery, and children were weighed at 12-month and 24-month visits using a Tanita BD-590 pediatric scale (Tokyo, Japan). All weight measurements were taken in triplicate and averaged.
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