002-anthropometrics

Anthropometrics dataset

Anthropometrics is the study of the measurement of the human body in terms of the size, weight, and proportions of its various parts. Anthropometrics is an important tool in the field of medicine, as it allows for the assessment of a person’s health and nutritional status, as well as the identification of potential health risks.

Anthropometric measurements can be used to assess the body composition of adults, which can help to identify potential health risks such as sarcopenia (age-related loss of muscle mass) or obesity. In a clinical setting, anthropometric measurements are typically used in combination with other medical tests and evaluations to provide a more complete picture of a person’s health. For example, a doctor may use anthropometric measurements in combination with blood tests and imaging studies to assess a person’s nutrition status, or to identify potential health risks such as cardiovascular disease or diabetes. Additionally, these measurements may be used to help monitor the effectiveness of treatment interventions, such as weight loss programs, and to track changes in a person’s health over time. Measurement protocol Our anthropometric measurements include height, weight, waist circumference, hip circumference, and neck circumference. The equipment used in this protocol includes a measuring tape and a scale, specifically a Shekel stadiometer (Shekel Ultrasonic Physician BMI Scale h 120-4).

For measuring height, participants are asked to stand with their face against the scale, legs parallel to each other, toes pointing forward, and soles flat on the floor. Ensure participant’s posture is unsupported, to stand as tall as possible, completely standing on the scale with legs straight. The height is recorded in centimeters.

For measuring weight, the participant is asked to remove their shoes and excess clothing, and stand on the stadiometer. The weight is recorded in kilograms. The measurement protocol for the waist, hip, and neck circumference include specific instructions for standing position, and the use of measuring tape. All circumference measurements are recorded in centimeters.

Data availability:

The information is stored in 1 parquet file: anthropometrics.parquet

from pheno_utils import PhenoLoader

pl = PhenoLoader('anthropometrics')
pl

PhenoLoader for anthropometrics with
12 fields
2 tables: ['anthropometrics', 'age_sex']

Data dictionary

pl.dict

	folder_id	feature_set	field_string	relative_location	description_string	stability	field_type	data_coding	units	sampling_rate	strata	sexed	array	list_of_tags	bulk_dictionary	bulk_file_extension	debut	completed	transformation	pandas_dtype
tabular_field_name
collection_date	2	anthropometrics	Collection date (YYYY-MM-DD)	anthropometrics/anthropometrics.parquet	Collection date (YYYY-MM-DD)	Accruing	Date	NaN	Time	NaN	Primary	Both sexes	Single	Antrhoprometry; Physical Measures; Body size m...	NaN	NaN	2019-01-29	NaN	NaN	datetime64[ns]
collection_timestamp	2	anthropometrics	Collection timestamp	anthropometrics/anthropometrics.parquet	Collection timestamp	Accruing	Datetime	NaN	Time	NaN	Primary	Both sexes	Single	Antrhoprometry; Physical Measures; Body size m...	NaN	NaN	2019-01-29	NaN	NaN	datetime64[ns, Asia/Jerusalem]
height	2	anthropometrics	Height	anthropometrics/anthropometrics.parquet	Height	Accruing	Integer	NaN	cm	NaN	Primary	Both sexes	Single	Antrhoprometry; Physical Measures; Body size m...	NaN	NaN	2019-01-29	NaN	NaN	float
weight	2	anthropometrics	Weight	anthropometrics/anthropometrics.parquet	Weight	Accruing	Continuous	NaN	kg	NaN	Primary	Both sexes	Single	Antrhoprometry; Physical Measures; Body size m...	NaN	NaN	2019-01-29	NaN	NaN	float
bmi	2	anthropometrics	Body mass index (BMI)	anthropometrics/anthropometrics.parquet	Body mass index (BMI), weight in kilograms div...	Accruing	Continuous	NaN	kg/m2	NaN	Primary	Both sexes	Single	Antrhoprometry; Physical Measures; Body size m...	NaN	NaN	2019-01-29	NaN	NaN	float
waist_circumference	2	anthropometrics	Waist circumference	anthropometrics/anthropometrics.parquet	Waist circumference, measurement taken around ...	Accruing	Integer	NaN	cm	NaN	Primary	Both sexes	Single	Antrhoprometry; Physical Measures; Body size m...	NaN	NaN	2019-01-29	NaN	NaN	float
neck_circumference	2	anthropometrics	Neck circumference	anthropometrics/anthropometrics.parquet	Neck circumference, measured at the mid-point ...	Accruing	Integer	NaN	cm	NaN	Primary	Both sexes	Single	Antrhoprometry; Physical Measures; Body size m...	NaN	NaN	2022-05-19	NaN	NaN	float
hip_circumference	2	anthropometrics	Hip circumference	anthropometrics/anthropometrics.parquet	Hip circumference measured around the widest p...	Accruing	Integer	NaN	cm	NaN	Primary	Both sexes	Single	Antrhoprometry; Physical Measures; Body size m...	NaN	NaN	2019-01-29	NaN	NaN	float
waist_to_hip_ratio	2	anthropometrics	Waist to hip ratio	anthropometrics/anthropometrics.parquet	Waist to hip ratio (WHR), a measure or the rat...	Accruing	Continuous	NaN	NaN	NaN	Primary	Both sexes	Single	Antrhoprometry; Physical Measures; Body size m...	NaN	NaN	2019-01-29	NaN	NaN	float
timezone	2	anthropometrics	Timezone	anthropometrics/anthropometrics.parquet	Timezone	Accruing	Text	NaN	NaN	NaN	Auxiliary	Both sexes	Single	NaN	NaN	NaN	2019-01-01	NaN	NaN	string

Plot histogram and ecdf for bmi at baseline visit

from pheno_utils.basic_plots import hist_ecdf_plots

col = "bmi"
df = pl[[col] + ["age", "sex", "collection_date"]].loc[:,:,"00_00_visit",0,:]

# plot histogram and ecdf
hist_ecdf_plots(df.dropna(subset=[col,"sex", "age"]), col, gender_col="sex")

# stats
display(df[col].describe().to_frame().T)

	count	mean	std	min	25%	50%	75%	max
bmi	10382.0	26.152419	4.177653	16.121167	23.198315	25.614045	28.528357	47.238043