SONA project - Risk factors for allergy-related diseases among schoolchildren in Uganda

Permanent Identifier:

https://doi.org/10.17037/DATA.00001761

Description

This dataset contains information collected as part of a case-control study to investigate risk factors for asthma, rhinitis, allergic conjunctivitis, eczema and other allergy-related diseases among schoolchildren in Urban Uganda. In total, details of 1700 children aged 5-17 are recorded, with data collected on allergy-related disease outcomes and risk factors (parental, early-life and current).

Codebook

The dataset contains the following variables:

Variable name Variable description Value labels
age Age at enrolment, in years 5 through 17
sex Sex 1=male, 2=female
idno Unique anonymous ID number 1 through 562, then 1001 through 2141
hoinose Allergic rhinitis symptoms, ever 1=yes, 0=no
curinose Allergic rhinitis symptoms, last 12 months 1=yes, 0=no
hoieyes Allergic conjunctivitis symptoms, ever 1=yes, 0=no
curieyes Allergic conjunctivitis symptoms, last 12 months 1=yes, 0=no
hoecz Eczema symptoms, ever 1=yes, 0=no
curecz Eczema symptoms, last 12 months 1=yes, 0=no
hourt Urticarial rashes, ever 1=yes, 0=no
cururt Urticarial rashes, last 12 months 1=yes, 0=no
weight Variable for inverse probability weighting 1=cases, 3.6667=controls
casecont Asthma case-control staus 1=asthma case, 0=non-asthma control
hoallergyallxurt Allergy-related diseases-ever 0=no allergy, 1=asthma only, 2=rhinitis only, 3=conj only, 4=ecze only, 5 through 10=2 ARDs, 11 through 14=3ARDs, 15=4ARDs
cuallergyallxurt Allergy-related diseases-in last 12 months 0=no allergy, 1=asthma only, 2=rhinitis only, 3=conj only, 4=ecze only, 5 through 10=2 ARDs, 11 through 14=3ARDs, 15=4ARDs
hoanyvsnoallergy Any allergy-related disease-ever 0=no ARD, 1=yes
cuanyvsnoallergy Any allergy-related disease-in last 12 months 0=no ARD, 1=yes
feduc Father's highest education attained 0=none/primary, 1=secondary, 2=tertiary
meduc Mother's highest education attained 0=none/primary, 1=secondary, 2=tertiary
bcgcat Presence of BCG scar 1=yes, 0=no
tstcat Tuberculin skin test size of induration 0="negative (<10mm diameter)", 1=positive (>=10mm diameter)"
anyhelm Any helminth infection at enrolment 1=infected, 0=uninfected
fastcat Father's history of asthma 1=yes, 0=no
mastcat Mother's history of asthma 1=yes, 0=no
vilbcat2 Area of residence at birth 0=rural, 1=town, 2=city
vil5cat2 Area of residence, first 5 years of life 0=rural, 1=town, 2=city
atopyspt Skin prick test response to any of 7 allergens 0="negative (<3mm wheal diameter)", 1=positive (>=3mm wheal diameter)"
ic_any_atopy Sensitisation to any of 3 allergens, categorical (ImmunoCAP) 0=non-atopic IgE level, "<0.35kUA/L (allergen-specific kilo units per litre)", 1=Atopic IgE level "(>=0.35kUA/L )"
ic_totalige Total IgE, continous (ImmunoCAP) kU/L Continuous variable, minimum 6.65, maximum 8984.19
fenocat Fractional exhaled nitric oxide (FENO) 0="<35 parts per billion", 1=">=35 parts per billion"
wormrx12 Reported frequency of deworming in last 12 months 0=None, 1=once, 2=twice
truckcat Frequency of 'Trucks passing on road near home', currently 0=rarely, 1=frequently, 2=almost all day
bfcat1 Breast feeding duration 0="less than or 1 year", 1="more than 1 year"
anipcat1 Exposure to farm animals in the first five years of life 1=yes, 0=no
smokepcat1 Maternal cigarette smoking during pregnancy 1=yes, 0=no
cursmoke Current exposure to cigarette smoke by a household member 1=yes, 0=no