Other factors which are associated with magnetic fields

Average magnetic fields are associated with various features of a neighbourhood or home. Put simplistically,

• high-field homes tend to be older, smaller properties, in areas of higher housing density, on busier roads, occupied by families with lower education, socio-economic status and younger children;
• low-field homes tend to be larger, more spread out, in areas of higher socio-economic status.

Specifically, fields (or wire code classifications) have been reported to be higher in:

• urban and suburban areas than rural (USA, also seen weakly in UK);
• homes occupied by poorer families (US);
• flats and apartments than single-family homes, and terraced houses than detached houses (USA and UK);
• smaller houses than larger houses (USA);
• older homes (USA);
• homes in areas of higher housing density (USA);
• homes on busier roads (USA, UK);
• homes with conducting water pipes than with local grounding systems (USA);
• homes with shorter occupancy (USA)

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