Summary of Participant Households and Interviewees.

Key.Ref: E = Eco group; R = Rural group; S = Suburban group.Gender: F = Female, M = Male.Occupants' Ages: bold indicates household members interviewed.Ethnicity:W/WB = White/White British; A/AB = Asian/Asian British; B/BB = Black/Black British.Net Household Income: Median household income for England in 2011 was £22,000 (€26,000).Type of Home: D = Detached; S-D = Semi-detached; T = Terraced; F = Flat.IHD Origin & Period of Possession: Self-bought or given by utility/project; time in months.aPlus two70-year-old relatives for 3 months each year.bEstimated.cPlus 14-year-old every other weekend and school holidays.dAt university in term-time.