The US Department of Housing and
Urban Development defines a property as unaffordable if more than 30
per cent of a
household's income is required to afford housing - related costs.
The survey, which also collected information on
households» access to information and communication technology (ICT) and patterns of usage, found that about 89
per cent of Nigerians have access to a mobile phone, adding that access to the internet was more prevalent in
urban areas than in rural areas — the most common uses being to send and receive emails.
These included characteristics on multiple levels of the child's biopsychosocial context: (1) child factors: race / ethnicity (white, black, Hispanic, and Asian / Pacific Islander / Alaska Native), age, gender, 9 - month Bayley Mental and Motor scores, birth weight (normal, moderately low, or very low), parent - rated child health (fair / poor vs good / very good / excellent), and hours
per week in child care; (2) parent factors: maternal age, paternal age, SES (an ECLS - B — derived variable that includes maternal and paternal education, employment status, and income), maternal marital status (married, never married, separated / divorced / widowed), maternal general health (fair / poor versus good / very good / excellent), maternal depression (assessed by the Center for Epidemiologic Studies Depression Scale at 9 months and the World Mental Health Composite International Diagnostic Interview at 2 years), prenatal use of tobacco and alcohol (any vs none), and violence against the mother; (3)
household factors: single - parent
household, number of siblings (0, 1, 2, or 3 +), language spoken at home (English vs non-English), neighborhood good for raising kids (excellent / very good, good, or fair / poor),
household urbanicity (
urban city,
urban county, or rural), and modified Home Observation for Measurement of the Environment — Short Form (HOME - SF) score.