Age
Item
age 1-5 years
boolean
C0001779 (UMLS CUI [1])
Asthma
Item
physician-diagnosed asthma as per the global initiative for asthma (gina) guidelines
boolean
C0004096 (UMLS CUI [1])
Exacerbation of asthma Upper Respiratory Infections
Item
urtis as the main asthma trigger (parental report)
boolean
C0349790 (UMLS CUI [1,1])
C0041912 (UMLS CUI [1,2])
Upper Respiratory Infections
Item
≥4 urtis in the past 12 months (parental report)
boolean
C0041912 (UMLS CUI [1])
exacerbation of asthma
Item
≥1 asthma exacerbation requiring rescue oral corticosteroids (ocs) in the past 6 months or ≥2 in the past 12 months
boolean
C0349790 (UMLS CUI [1])
C0001617 (UMLS CUI [2])
Vitamin supplement Vitamin D
Item
intake or intention to use more than 400 iu/day of vitamin d supplement
boolean
C0681579 (UMLS CUI [1,1])
C0042866 (UMLS CUI [1,2])
Extreme immaturity
Item
extreme prematurity (<28 weeks gestation)
boolean
C0270078 (UMLS CUI [1])
Infant Age
Item
infants <12 months of age
boolean
C0021270 (UMLS CUI [1,1])
C0001779 (UMLS CUI [1,2])
Breast Feeding | Vitamin supplement Vitamin D
Item
no vitamin d supplementation when breast-fed
boolean
C0006147 (UMLS CUI [1])
C0681579 (UMLS CUI [2,1])
C0042866 (UMLS CUI [2,2])
Immigrant (person) | Risk Rickets
Item
recent (<1 year) immigrants from a region at high risk of rickets
boolean
C0282163 (UMLS CUI [1])
C0035647 (UMLS CUI [2,1])
C0035579 (UMLS CUI [2,2])
Child Decreased vitamin D diet | Vegan
Item
children with vitamin d restrictive diets e.g. vegans
boolean
C0008059 (UMLS CUI [1,1])
C3661626 (UMLS CUI [1,2])
C2987738 (UMLS CUI [2])
Respiration Disorders | Bronchopulmonary Dysplasia | Cystic Fibrosis
Item
other chronic respiratory disease (broncho-pulmonary dysplasia; cystic fibrosis)
boolean
C0035204 (UMLS CUI [1])
C0006287 (UMLS CUI [2])
C0010674 (UMLS CUI [3])
Calcium Metabolism Disorders | Abnormality of vitamin D metabolism | Hypoparathyroidism | Hyperparathyroidism | Kidney Diseases | Liver diseases | Inflammatory Bowel Diseases
Item
condition(s) that alter calcium or vitamin d metabolism/absorption (hypo/hyperparathyroidism, kidney/liver disease, inflammatory bowel disease)
boolean
C0006705 (UMLS CUI [1])
C4022035 (UMLS CUI [2])
C0020626 (UMLS CUI [3])
C0020502 (UMLS CUI [4])
C0022658 (UMLS CUI [5])
C0023895 (UMLS CUI [6])
C0021390 (UMLS CUI [7])
Pharmaceutical Preparations Affecting vitamin D metabolic process | Antiepileptic Agents | Diuretics | Antacids | Antifungal Agents
Item
medications that interfere with vitamin d metabolism (anti-epileptics, diuretics, antacids, anti-fungal drug)
boolean
C0013227 (UMLS CUI [1,1])
C0392760 (UMLS CUI [1,2])
C1159433 (UMLS CUI [1,3])
C0003299 (UMLS CUI [2])
C0012798 (UMLS CUI [3])
C0003138 (UMLS CUI [4])
C0003308 (UMLS CUI [5])
Vitamin D supplement therapy
Item
vitamin d supplementation >1000 iu/ day in last 3 months
boolean
C0420176 (UMLS CUI [1])
Follow-up status Difficult
Item
anticipated difficult follow-up (unable to attend clinic visits; plan to leave the province).
boolean
C0589120 (UMLS CUI [1,1])
C0332218 (UMLS CUI [1,2])