global greenhouse gas emissions from 2000 to 2010 has grown more quickly (2.2%/yr) than in the previous three decades (1.3%/yr). china accounts for approximately 23% of global co2 emissions and the household sector is considered the major contributor. this study conducts a time series analysis of a per person household carbon emissions (hces) in china during 1995 to 2011. annual macroeconomic d...

BACKGROUND Most people in industrialized societies grow up in core (parents only) families with few if any siblings. Based on an evolutionary perspective, it may be argued that this environment reflects a mismatch, in that the tribal setting offered a larger number of close affiliates. The present project examined whether this mismatch may have a negative impact on mental health. METHODS We u...

OBJECTIVE The purpose of this study was to examine whether four socioeconomic factors, namely caregiver age, caregiver education, family income and/or household size were related to the presence of motor delays or unintelligible speech in South African children with intellectual disabilities. METHODS Caregivers of children with intellectual disabilities completed a biographical questionnaire ...

in order to analyse the effective factors contributing to land fragmentation, required data ‎were collected by questionnaire from 151 farmers who were selected through a stratified random ‎sampling design from 12 villages of ramjerd yek subdistrict of marvdasht country. factor analysis ‎was used to identity explanatory factors of land fragmentation. the variables of natural-farming, ‎socio-cult...

OBJECTIVE Study the influence of household contact structure on the spread of an influenza-like illness. Examine whether changes to in-home care giving arrangements can significantly affect the household transmission counts. METHOD We simulate two different behaviors for the symptomatic person; either s/he remains at home in contact with everyone else in the household or s/he remains at home ...