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