cchs2015_demonstration_codebook

Author

Didier Brassard

Published

April 26, 2023

Metadata

Description

Dataset name: Demonstration data based on the CCHS 2015 - Nutrition

Sample of 1,000 respondents aged 19-70 y selected proportionally to sampling weights from the CCHS 2015 - Nutrition (PUMF)

Metadata for search engines

  • Temporal Coverage: 2015

  • Spatial Coverage: Canada

  • Citation: Adapted from Statistics Canada, Canadian Community Health Survey - Nutrition: Public Use Microdata File, 2015, April 2023. This does not constitute an endorsement by Statistics Canada of this product.

  • URL: https://www150.statcan.gc.ca/n1/en/catalogue/82M0024X2018001

  • Date published: 2018-12-21

x
participantid
r24_season
r24_weekend
r24_nfoods
province
age
sex
drig
education
income
marital_status
smoking
phys_act_mod
food_security
bodyweight
height
bmi
self_rated_health
self_reported_bp
self_reported_db
self_reported_chd
self_reported_cancer
self_reported_osteo
foodwgt
energy
sodium
fat
sfa
mufa
pufa
cho
fibers
protein
roh_g
calcium
vit_d
calcium_supp
vit_d_supp

#Variables

participantid

Unique identifier

Distribution

Distribution of values for participantid

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
participantid Unique identifier numeric 0 1 76 10126 20460 10070.82 5814.581 ▇▇▇▇▇

r24_season

Season (24-h dietary recall)

Distribution

Distribution of values for r24_season

0 missing values.

Summary statistics

name label data_type n_missing complete_rate n_unique empty min max whitespace
r24_season Season (24-h dietary recall) character 0 1 4 0 4 6 0

r24_weekend

Weekend (24-h dietary recall)

Distribution

Distribution of values for r24_weekend

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd n_value_labels hist
r24_weekend Weekend (24-h dietary recall) haven_labelled 0 1 0 0 1 0.444 0.4971027 2 ▇▁▁▁▁▁▁▆

Value labels

Response choices
name value
Weekday 0
Weekend 1

r24_nfoods

Number of items reported (24-h dietary recall)

Distribution

Distribution of values for r24_nfoods

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
r24_nfoods Number of items reported (24-h dietary recall) numeric 0 1 2 15 38 15.458 5.332417 ▂▇▅▁▁

province

Province of residence

Distribution

Distribution of values for province

0 missing values.

Summary statistics

name label data_type ordered value_labels n_missing complete_rate n_unique top_counts
province Province of residence factor FALSE 1. Newfoundland and Labrador,
2. Prince Edward Island,
3. Nova Scotia,
4. New Brunswick,
5. Quebec,
6. Ontario,
7. Manitoba,
8. Saskatchewan,
9. Alberta,
10. British Columbia		 0 1 10 Ont: 382, Que: 216, Bri: 147, Alb: 133

age

Age, years

Distribution

Distribution of values for age

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
age Age, years numeric 0 1 19 46 70 45.531 14.09936 ▆▇▇▇▇

sex

Sex

Distribution

Distribution of values for sex

0 missing values.

Summary statistics

name label data_type ordered value_labels n_missing complete_rate n_unique top_counts
sex Sex factor FALSE 1. Male,
2. Female		 0 1 2 Fem: 502, Mal: 498

drig

Dietary Reference Intake age/sex group

Distribution

Distribution of values for drig

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd n_value_labels hist
drig Dietary Reference Intake age/sex group haven_labelled 0 1 8 11 13 10.96 1.543627 6 ▃▃▁▇▇▁▇▇

Value labels

Response choices
name value
Male, 19 to 30 y 8
Female, 19 to 30 y 9
Male, 31 to 50 y 10
Female, 31 to 50 y 11
Male, 51 to 70 y 12
Female, 51 to 70 y 13

education

Education level

Distribution

Distribution of values for education

10 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd n_value_labels hist
education Education level haven_labelled 10 0.99 1 3 4 2.872727 0.9421935 4 ▂▁▆▁▁▇▁▇

Value labels

Response choices
name value
Less than high school 1
High school 2
Trade diploma/College 3
University 4

income

Total household income

Distribution

Distribution of values for income

1 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd n_value_labels hist
income Total household income haven_labelled 1 0.999 1 4 8 4.56957 2.301632 8 ▃▆▇▆▅▅▃▇

Value labels

Response choices
name value
<20,000 1
20,000 to <40,000 2
40,000 to <60,000 3
60,000 to <80,000 4
80,000 to <100,000 5
100,000 to <120,000 6
120,000 to <140,000 7
140,000 or more 8

marital_status

Marital status

Distribution

Distribution of values for marital_status

6 missing values.

Summary statistics

name label data_type ordered value_labels n_missing complete_rate n_unique top_counts
marital_status Marital status factor FALSE 1. Married,
2. Living common-law,
3. Widowed/Divorced/Separated,
4. Single, never married		 6 0.994 4 Mar: 542, Sin: 221, Liv: 122, Wid: 109

smoking

Smoking status

Distribution

Distribution of values for smoking

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd n_value_labels hist
smoking Smoking status haven_labelled 0 1 0 0 2 0.346 0.7230538 3 ▇▁▁▁▁▁▁▂

Value labels

Response choices
name value
Not smoking 0
Occasionally 1
Daily 2

phys_act_mod

Moderate or vigorous physical activity, hours/week

Distribution

Distribution of values for phys_act_mod

2 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
phys_act_mod Moderate or vigorous physical activity, hours/week numeric 2 0.998 0 2 14 3.52253 4.119379 ▇▃▁▁▁

food_security

Household Food Security Status

Distribution

Distribution of values for food_security

2 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd n_value_labels hist
food_security Household Food Security Status haven_labelled 2 0.998 0 0 2 0.1172345 0.409618 3 ▇▁▁▁▁▁▁▁

Value labels

Response choices
name value
Food secure 0
Moderately food insecure 1
Severely food insecure 2

bodyweight

Bodyweight, kg

Distribution

Distribution of values for bodyweight

284 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
bodyweight Bodyweight, kg numeric 284 0.716 39 76 142 79.34631 19.45663 ▃▇▆▂▁

height

Height, meters

Distribution

Distribution of values for height

313 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
height Height, meters numeric 313 0.687 1.3 1.7 1.9 1.68436 0.0996241 ▁▂▇▇▂

bmi

Body mass index, kg/m2

Distribution

Distribution of values for bmi

356 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
bmi Body mass index, kg/m2 numeric 356 0.644 16 27 62 27.54818 6.130724 ▇▇▂▁▁

self_rated_health

Self-rated health

Distribution

Distribution of values for self_rated_health

1 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd n_value_labels hist
self_rated_health Self-rated health haven_labelled 1 0.999 0 3 4 2.687688 0.9446392 5 ▁▂▁▆▁▇▁▅

Value labels

Response choices
name value
Poor 0
Fair 1
Good 2
Very good 3
Excellent 4

self_reported_bp

Self-reported high blood pressure

Distribution

Distribution of values for self_reported_bp

2 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd n_value_labels hist
self_reported_bp Self-reported high blood pressure haven_labelled 2 0.998 0 0 1 0.1422846 0.3495169 2 ▇▁▁▁▁▁▁▁

Value labels

Response choices
name value
No 0
Yes 1

self_reported_db

Self-reported diabetes

Distribution

Distribution of values for self_reported_db

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd n_value_labels hist
self_reported_db Self-reported diabetes haven_labelled 0 1 0 0 1 0.066 0.2484063 2 ▇▁▁▁▁▁▁▁

Value labels

Response choices
name value
No 0
Yes 1

self_reported_chd

Self-reported heart disease

Distribution

Distribution of values for self_reported_chd

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd n_value_labels hist
self_reported_chd Self-reported heart disease haven_labelled 0 1 0 0 1 0.034 0.1813198 2 ▇▁▁▁▁▁▁▁

Value labels

Response choices
name value
No 0
Yes 1

self_reported_cancer

Self-reported heart cancer

Distribution

Distribution of values for self_reported_cancer

1 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd n_value_labels hist
self_reported_cancer Self-reported heart cancer haven_labelled 1 0.999 0 0 1 0.015015 0.1216733 2 ▇▁▁▁▁▁▁▁

Value labels

Response choices
name value
No 0
Yes 1

self_reported_osteo

Self-reported heart osteoporosis

Distribution

Distribution of values for self_reported_osteo

576 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd n_value_labels hist
self_reported_osteo Self-reported heart osteoporosis haven_labelled 576 0.424 0 0 1 0.0613208 0.2402012 2 ▇▁▁▁▁▁▁▁

Value labels

Response choices
name value
No 0
Yes 1

foodwgt

Amount of food, g/d

Distribution

Distribution of values for foodwgt

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
foodwgt Amount of food, g/d numeric 0 1 440 2827 10071 3026.658 1268.366 ▅▇▂▁▁

energy

Energy intake, kcal/d

Distribution

Distribution of values for energy

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
energy Energy intake, kcal/d numeric 0 1 210 1796 11156 1953.233 915.6632 ▇▂▁▁▁

sodium

Sodium intake, mg/d

Distribution

Distribution of values for sodium

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
sodium Sodium intake, mg/d numeric 0 1 34 2488 16490 2827.557 1640.5 ▇▃▁▁▁

fat

Fat intake, g/d

Distribution

Distribution of values for fat

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
fat Fat intake, g/d numeric 0 1 1.3 65 535 73.80561 45.95376 ▇▂▁▁▁

sfa

Saturated fat intake, g/d

Distribution

Distribution of values for sfa

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
sfa Saturated fat intake, g/d numeric 0 1 0.34 20 121 23.66371 15.77335 ▇▃▁▁▁

mufa

Monounsaturated fat intake, g/d

Distribution

Distribution of values for mufa

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
mufa Monounsaturated fat intake, g/d numeric 0 1 0.43 24 260 27.80837 19.57877 ▇▁▁▁▁

pufa

Polyunsaturated fat intake, g/d

Distribution

Distribution of values for pufa

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
pufa Polyunsaturated fat intake, g/d numeric 0 1 0.22 13 164 15.71313 11.79504 ▇▁▁▁▁

cho

Carbohydrate intake, g/d

Distribution

Distribution of values for cho

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
cho Carbohydrate intake, g/d numeric 0 1 25 211 1249 229.7135 110.5205 ▇▃▁▁▁

fibers

Fibers intake, g/d

Distribution

Distribution of values for fibers

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
fibers Fibers intake, g/d numeric 0 1 0.13 16 87 17.7499 10.34278 ▇▅▁▁▁

protein

Protein intake, g/d

Distribution

Distribution of values for protein

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
protein Protein intake, g/d numeric 0 1 3.9 75 362 83.18208 44.02892 ▇▆▁▁▁

roh_g

Alcohol intake, g/d

Distribution

Distribution of values for roh_g

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
roh_g Alcohol intake, g/d numeric 0 1 0 0 372 9.299095 23.96846 ▇▁▁▁▁

calcium

Calcium intake, mg/d

Distribution

Distribution of values for calcium

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
calcium Calcium intake, mg/d numeric 0 1 12 695 3316 811.8428 513.2926 ▇▆▂▁▁

vit_d

Vitamin D intake, g/d

Distribution

Distribution of values for vit_d

0 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd hist
vit_d Vitamin D intake, g/d numeric 0 1 0 3.3 50 4.763287 4.974068 ▇▁▁▁▁

calcium_supp

Took a supplement containing calcium

Distribution

Distribution of values for calcium_supp

4 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd n_value_labels hist
calcium_supp Took a supplement containing calcium haven_labelled 4 0.996 0 0 1 0.2640562 0.4410508 2 ▇▁▁▁▁▁▁▃

Value labels

Response choices
name value
No 0
Yes 1

vit_d_supp

Took a supplement containing vitamin D

Distribution

Distribution of values for vit_d_supp

4 missing values.

Summary statistics

name label data_type n_missing complete_rate min median max mean sd n_value_labels hist
vit_d_supp Took a supplement containing vitamin D haven_labelled 4 0.996 0 0 1 0.3423695 0.4747409 2 ▇▁▁▁▁▁▁▅

Value labels

Response choices
name value
No 0
Yes 1

Missingness report

Codebook table

JSON-LD metadata

The following JSON-LD can be found by search engines, if you share this codebook publicly on the web.

{
  "name": "Demonstration data based on the CCHS 2015 - Nutrition",
  "description": "Sample of 1,000 respondents aged 19-70 y selected proportionally to sampling weights from the CCHS 2015 - Nutrition (PUMF)\n\n\n## Table of variables\nThis table contains variable names, labels, and number of missing values.\nSee the complete codebook for more.\n\n|name                 |label                                              | n_missing|\n|:--------------------|:--------------------------------------------------|---------:|\n|participantid        |Unique identifier                                  |         0|\n|r24_season           |Season (24-h dietary recall)                       |         0|\n|r24_weekend          |Weekend (24-h dietary recall)                      |         0|\n|r24_nfoods           |Number of items reported (24-h dietary recall)     |         0|\n|province             |Province of residence                              |         0|\n|age                  |Age, years                                         |         0|\n|sex                  |Sex                                                |         0|\n|drig                 |Dietary Reference Intake age/sex group             |         0|\n|education            |Education level                                    |        10|\n|income               |Total household income                             |         1|\n|marital_status       |Marital status                                     |         6|\n|smoking              |Smoking status                                     |         0|\n|phys_act_mod         |Moderate or vigorous physical activity, hours/week |         2|\n|food_security        |Household Food Security Status                     |         2|\n|bodyweight           |Bodyweight, kg                                     |       284|\n|height               |Height, meters                                     |       313|\n|bmi                  |Body mass index, kg/m2                             |       356|\n|self_rated_health    |Self-rated health                                  |         1|\n|self_reported_bp     |Self-reported high blood pressure                  |         2|\n|self_reported_db     |Self-reported diabetes                             |         0|\n|self_reported_chd    |Self-reported heart disease                        |         0|\n|self_reported_cancer |Self-reported heart cancer                         |         1|\n|self_reported_osteo  |Self-reported heart osteoporosis                   |       576|\n|foodwgt              |Amount of food, g/d                                |         0|\n|energy               |Energy intake, kcal/d                              |         0|\n|sodium               |Sodium intake, mg/d                                |         0|\n|fat                  |Fat intake, g/d                                    |         0|\n|sfa                  |Saturated fat intake, g/d                          |         0|\n|mufa                 |Monounsaturated fat intake, g/d                    |         0|\n|pufa                 |Polyunsaturated fat intake, g/d                    |         0|\n|cho                  |Carbohydrate intake, g/d                           |         0|\n|fibers               |Fibers intake, g/d                                 |         0|\n|protein              |Protein intake, g/d                                |         0|\n|roh_g                |Alcohol intake, g/d                                |         0|\n|calcium              |Calcium intake, mg/d                               |         0|\n|vit_d                |Vitamin D intake, g/d                              |         0|\n|calcium_supp         |Took a supplement containing calcium               |         4|\n|vit_d_supp           |Took a supplement containing vitamin D             |         4|\n\n### Note\nThis dataset was automatically described using the [codebook R package](https://rubenarslan.github.io/codebook/) (version 0.9.2).",
  "citation": "Adapted from Statistics Canada, Canadian Community Health Survey - Nutrition: Public Use Microdata File, 2015, April 2023. This does not constitute an endorsement by Statistics Canada of this product.",
  "temporalCoverage": "2015",
  "spatialCoverage": "Canada",
  "datePublished": "2018-12-21",
  "url": "https://www150.statcan.gc.ca/n1/en/catalogue/82M0024X2018001",
  "keywords": ["participantid", "r24_season", "r24_weekend", "r24_nfoods", "province", "age", "sex", "drig", "education", "income", "marital_status", "smoking", "phys_act_mod", "food_security", "bodyweight", "height", "bmi", "self_rated_health", "self_reported_bp", "self_reported_db", "self_reported_chd", "self_reported_cancer", "self_reported_osteo", "foodwgt", "energy", "sodium", "fat", "sfa", "mufa", "pufa", "cho", "fibers", "protein", "roh_g", "calcium", "vit_d", "calcium_supp", "vit_d_supp"],
  "@context": "http://schema.org/",
  "@type": "Dataset",
  "variableMeasured": [
    {
      "name": "participantid",
      "description": "Unique identifier",
      "@type": "propertyValue"
    },
    {
      "name": "r24_season",
      "description": "Season (24-h dietary recall)",
      "@type": "propertyValue"
    },
    {
      "name": "r24_weekend",
      "description": "Weekend (24-h dietary recall)",
      "value": "0. Weekday,\n1. Weekend",
      "maxValue": 1,
      "minValue": 0,
      "@type": "propertyValue"
    },
    {
      "name": "r24_nfoods",
      "description": "Number of items reported (24-h dietary recall)",
      "@type": "propertyValue"
    },
    {
      "name": "province",
      "description": "Province of residence",
      "value": "1. Newfoundland and Labrador,\n2. Prince Edward Island,\n3. Nova Scotia,\n4. New Brunswick,\n5. Quebec,\n6. Ontario,\n7. Manitoba,\n8. Saskatchewan,\n9. Alberta,\n10. British Columbia",
      "@type": "propertyValue"
    },
    {
      "name": "age",
      "description": "Age, years",
      "@type": "propertyValue"
    },
    {
      "name": "sex",
      "description": "Sex",
      "value": "1. Male,\n2. Female",
      "@type": "propertyValue"
    },
    {
      "name": "drig",
      "description": "Dietary Reference Intake age/sex group",
      "value": "8. Male, 19 to 30 y,\n9. Female, 19 to 30 y,\n10. Male, 31 to 50 y,\n11. Female, 31 to 50 y,\n12. Male, 51 to 70 y,\n13. Female, 51 to 70 y",
      "maxValue": 13,
      "minValue": 8,
      "@type": "propertyValue"
    },
    {
      "name": "education",
      "description": "Education level",
      "value": "1. Less than high school,\n2. High school,\n3. Trade diploma/College,\n4. University",
      "maxValue": 4,
      "minValue": 1,
      "@type": "propertyValue"
    },
    {
      "name": "income",
      "description": "Total household income",
      "value": "1. <20,000,\n2. 20,000 to <40,000,\n3. 40,000 to <60,000,\n4. 60,000 to <80,000,\n5. 80,000 to <100,000,\n6. 100,000 to <120,000,\n7. 120,000 to <140,000,\n8. 140,000 or more",
      "maxValue": 8,
      "minValue": 1,
      "@type": "propertyValue"
    },
    {
      "name": "marital_status",
      "description": "Marital status",
      "value": "1. Married,\n2. Living common-law,\n3. Widowed/Divorced/Separated,\n4. Single, never married",
      "@type": "propertyValue"
    },
    {
      "name": "smoking",
      "description": "Smoking status",
      "value": "0. Not smoking,\n1. Occasionally,\n2. Daily",
      "maxValue": 2,
      "minValue": 0,
      "@type": "propertyValue"
    },
    {
      "name": "phys_act_mod",
      "description": "Moderate or vigorous physical activity, hours/week",
      "@type": "propertyValue"
    },
    {
      "name": "food_security",
      "description": "Household Food Security Status",
      "value": "0. Food secure,\n1. Moderately food insecure,\n2. Severely food insecure",
      "maxValue": 2,
      "minValue": 0,
      "@type": "propertyValue"
    },
    {
      "name": "bodyweight",
      "description": "Bodyweight, kg",
      "@type": "propertyValue"
    },
    {
      "name": "height",
      "description": "Height, meters",
      "@type": "propertyValue"
    },
    {
      "name": "bmi",
      "description": "Body mass index, kg/m2",
      "@type": "propertyValue"
    },
    {
      "name": "self_rated_health",
      "description": "Self-rated health",
      "value": "0. Poor,\n1. Fair,\n2. Good,\n3. Very good,\n4. Excellent",
      "maxValue": 4,
      "minValue": 0,
      "@type": "propertyValue"
    },
    {
      "name": "self_reported_bp",
      "description": "Self-reported high blood pressure",
      "value": "0. No,\n1. Yes",
      "maxValue": 1,
      "minValue": 0,
      "@type": "propertyValue"
    },
    {
      "name": "self_reported_db",
      "description": "Self-reported diabetes",
      "value": "0. No,\n1. Yes",
      "maxValue": 1,
      "minValue": 0,
      "@type": "propertyValue"
    },
    {
      "name": "self_reported_chd",
      "description": "Self-reported heart disease",
      "value": "0. No,\n1. Yes",
      "maxValue": 1,
      "minValue": 0,
      "@type": "propertyValue"
    },
    {
      "name": "self_reported_cancer",
      "description": "Self-reported heart cancer",
      "value": "0. No,\n1. Yes",
      "maxValue": 1,
      "minValue": 0,
      "@type": "propertyValue"
    },
    {
      "name": "self_reported_osteo",
      "description": "Self-reported heart osteoporosis",
      "value": "0. No,\n1. Yes",
      "maxValue": 1,
      "minValue": 0,
      "@type": "propertyValue"
    },
    {
      "name": "foodwgt",
      "description": "Amount of food, g/d",
      "@type": "propertyValue"
    },
    {
      "name": "energy",
      "description": "Energy intake, kcal/d",
      "@type": "propertyValue"
    },
    {
      "name": "sodium",
      "description": "Sodium intake, mg/d",
      "@type": "propertyValue"
    },
    {
      "name": "fat",
      "description": "Fat intake, g/d",
      "@type": "propertyValue"
    },
    {
      "name": "sfa",
      "description": "Saturated fat intake, g/d",
      "@type": "propertyValue"
    },
    {
      "name": "mufa",
      "description": "Monounsaturated fat intake, g/d",
      "@type": "propertyValue"
    },
    {
      "name": "pufa",
      "description": "Polyunsaturated fat intake, g/d",
      "@type": "propertyValue"
    },
    {
      "name": "cho",
      "description": "Carbohydrate intake, g/d",
      "@type": "propertyValue"
    },
    {
      "name": "fibers",
      "description": "Fibers intake, g/d",
      "@type": "propertyValue"
    },
    {
      "name": "protein",
      "description": "Protein intake, g/d",
      "@type": "propertyValue"
    },
    {
      "name": "roh_g",
      "description": "Alcohol intake, g/d",
      "@type": "propertyValue"
    },
    {
      "name": "calcium",
      "description": "Calcium intake, mg/d",
      "@type": "propertyValue"
    },
    {
      "name": "vit_d",
      "description": "Vitamin D intake, g/d",
      "@type": "propertyValue"
    },
    {
      "name": "calcium_supp",
      "description": "Took a supplement containing calcium",
      "value": "0. No,\n1. Yes",
      "maxValue": 1,
      "minValue": 0,
      "@type": "propertyValue"
    },
    {
      "name": "vit_d_supp",
      "description": "Took a supplement containing vitamin D",
      "value": "0. No,\n1. Yes",
      "maxValue": 1,
      "minValue": 0,
      "@type": "propertyValue"
    }
  ]
}`