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Table 1 Primary and secondary explanatory variables and how these map to the study conceptual framework ( http://www.biomedcentral.com/1471-2458/10/147 )

From: Impact of housing improvement and the socio-physical environment on the mental health of children’s carers: a cohort study in Australian Aboriginal communities

Primary explanatory variables1
Household infrastructure function. Two measures: Number of HLP components required for healthy living practices failed; Overall Surveyor Function Score
Secondary explanatory variables
Carer socio-demographic Child health and health behaviour and hygiene Carer socioeconomic status
and financial stress 3
Psychosocial and health
Community of residence2 Child Health 4 Carer highest level of schooling Other people from tribal group live in community2
Carer socio-demographic 3 Number of illnesses in carer’s children in past two weeks Frequency of visits to traditional land3
• sex Carer labour force status Number of people get help from if has serious worries2,3
• age Carer self-reported health7
• cohabitation with spouse Health behaviour, hygiene and day care Household material wealth Carer Negative Life Events 2,3
• Worried about someone sick/disabled
Carer relationship to householder Householder holds important position in community • Know someone who had a bad accident
Time that carer has lived in the house Broom, mop and bucket in house4 • Death of family member or close friend
Carer mobility between communities (lived in other community for more than 4 weeks) Soap in bathroom, kitchen5
Number of children cared for Household hygienic condition (surveyor condition score)6 Financial security • Member of family in jail or sent to jail
• aged less than one year • Ran out of money in last 2 weeks
• aged 1–3 years Number of children in day-care3 • Too many people living in one house
• aged 4–7 years • Ran out of money in last year
• aged 8 to 15 years • Worried about divorce/separation
Number of adults in house • Number of things did to get money if ran out
• Not able to get a job
• Raise $2000 in a week for emergency • Lost their job/sacked
• Alcohol or drug problems
• Seeing fights and people beaten up
• Someone being abused or victim of violent crime
• Trouble with police
• Gambling problems
• Racism
  1. Community level influences: crowding, general condition of housing stock, community environmental conditions and infrastructure, availability of community facilities, community safety (community level concerns based on data items from the Negative Life Events Scale: concerns about fights or violence, abuse or trouble with the police).
  2. Variables mapped to conceptual framework ( http://www.biomedcentral.com/1471-2458/10/147 ).
  3. 1Facilities for Healthy Living Practices; 2Community and Neighbourhood Influences; 3Household Composition and Process; 4Child Health; 5Software; 6Condition of Household Environment; 7Carer Health.