Dataset produced as part of a case-control study to investigate asthma risk factors among schoolchildren in urban Uganda. Each row represents one child. Variables include data on case-control status and risk factors (parental, early-life and current).
| Variable name | Variable description | Value labels |
| age | Age at enrolment, in years | 5 through 17 |
| sex | Sex | 1=male, 2=female |
| idno | Unique identifier | 1 through 562, then 1001 through 2141 |
| kasinf | Schistosoma mansoni infection status at enrolment | 1=infected, 0=uninfected |
| kaainf | Ascaris lumbricoides infection status at enrolment | 1=infected, 0=uninfected |
| kahinf | Hookworm infection status at enrolment | 1=infected, 0=uninfected |
| katinf | Trichuris trichuria infection status at enrolment | 1=infected, 0=uninfected |
| kaoinf | Other helminths infection status at enrolment | 1=infected, 0=uninfected |
| anyhelm | Any helminth infection at enrolment | 1=infected, 0=uninfected |
| casecont | Asthma case-control staus | 1=asthma case, 0=non-asthma control |
| bcgcat | Presence of BCG scar | 1=yes, 0=no |
| fenocat | Fractional exhaled nitric oxide (FENO) | 0="<35 parts per billion", 1=">=35 parts per billion" |
| blomcat | Skin prick test response to Blomia tropicalis (dust mite) | 0="negative (<3mm wheal diameter)", 1=positive (>=3mm wheal diameter)" |
| dermcat | Skin prick test response to Dermatophagoides mix (dust mites) | 0="negative (<3mm wheal diameter)", 1=positive (>=3mm wheal diameter)" |
| cockcat | Skin prick test response to German cockroach | 0="negative (<3mm wheal diameter)", 1=positive (>=3mm wheal diameter)" |
| catcat | Skin prick test response to cat | 0="negative (<3mm wheal diameter)", 1=positive (>=3mm wheal diameter)" |
| mouldcat | Skin prick test response to moulds mix | 0="negative (<3mm wheal diameter)", 1=positive (>=3mm wheal diameter)" |
| pollcat | Skin prick test response to pollen mix | 0="negative (<3mm wheal diameter)", 1=positive (>=3mm wheal diameter)" |
| peacat | Skin prick test response to peanut | 0="negative (<3mm wheal diameter)", 1=positive (>=3mm wheal diameter)" |
| atopyspt | Skin prick test response to any of 7 allergens | 0="negative (<3mm wheal diameter)", 1=positive (>=3mm wheal diameter)" |
| alb12cat | Reported albendazole use in last 12 months | 0=none, 1=yes |
| praz12cat | Reported praziquantel use in last 12 months | 0=none, 1=yes |
| wormrx12 | Reported frequency of deworming in last 12 months | 0=None, 1=once, 2=twice |
| 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 |
| icokcat3 | Most frequent fuel used for indoor cooking | 0=no indoor cooking, 1=charcoal stove, 2=Gas/electricity |
| tstcat | Tuberculin skin test size of induration | 0="negative (<10mm diameter)", 1=positive (>=10mm diameter)" |
| 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 |
| excewhocat | Child engaged in physical exercise as recommended by WHO | 1=yes, 0=no |
| fastcat | Father's history of asthma | 1=yes, 0=no |
| mastcat | Mother's history of asthma | 1=yes, 0=no |
| 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" |
| smokepcat1 | Maternal cigarette smoking during pregnancy | 1=yes, 0=no |
| anipcat1 | Maternal regular contact with farm animals during pregnancy | 1=yes, 0=no |
| cursmoke | Current exposure to cigarette smoke by a household member | 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 |
| migrate | Migration between area at birth and first 5 years of life | 0=stayed rural, 1=stayed urban, 2=moved rural to urban, 3=moved urban to rural |
| ic_totalige | Total IgE, continous (ImmunoCAP) kU/L | 0=non-atopic IgE level, "<0.35kUA/L (allergen-specific kilo units per litre)", 1=Atopic IgE level "(>=0.35kUA/L )" |
| ic_pnt_atopy | Sensitisation to peanut, categorical (ImmunoCAP) | 0=non-atopic IgE level, "<0.35kUA/L (allergen-specific kilo units per litre)", 1=Atopic IgE level "(>=0.35kUA/L )" |
| ic_cok_atopy | Sensitisation to German cockroach categorical (ImmunoCAP) | 0=non-atopic IgE level, "<0.35kUA/L (allergen-specific kilo units per litre)", 1=Atopic IgE level "(>=0.35kUA/L )" |
| ic_der_atopy | Sensitisation to dermatophagoides, categorical (ImmunoCAP) | 0=non-atopic IgE level, "<0.35kUA/L (allergen-specific kilo units per litre)", 1=Atopic IgE level "(>=0.35kUA/L )" |
| 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 )" |
| anyperoallergycat | Any parent with a history of allergy, binary category | 1=yes, 0=no |
| peroallergycat | Any parent with a history of allergy, four categories | 0=Neither parent, 1=Mother only, 2=Father only, 3=Both parents |
| peroallergyatopy | Parental history of allergy and child's atopy, combined category | 0=No parental allergy,child non-atopic, 1=No parental allergy, child atopic, 2=Yes to parental allergy, child non-atopic, 3= Yes to parental allergy and child atopic |
| bornatopy | Child's residence at birth and atopy, combined category | 0=Rural & non-atopic, 1=Town & non-atopic, 2=City & non-atopic, 3=Rural & atopic, 4=Town & atopic, 5=City & atopic |
| peroallergyborn | Child's residence at birth and parental allergy, combined category | 0=Rural & no parental allergy, 1=Town & no parental allergy, 2=City & no parental allergy, 3=Rural & parental allergy, 4=Town & parental allergy, 5=City & parental allergy |
| feducborn | Father's education & Child's residence at birth, combined category | 0=Primary & Rural, 1=Primary & Town, 2=Primary & City, 3=Secondary & Rural, 4=Secondary & Town, 5=Secondary & City, 6=Tertiary & Rural, 7=Tertiary & Town, 8=Tertiary & City |
| meducborn | Mother's education & Child's residence at birth, combined category | 0=Primary & Rural, 1=Primary & Town, 2=Primary & City, 3=Secondary & Rural, 4=Secondary & Town, 5=Secondary & City, 6=Tertiary & Rural, 7=Tertiary & Town, 8=Tertiary & City |
| sch_code | School code | 1 through 48 |