Key health and socio-economic characteristics associated with phase to phase attrition.

NOTE:
• All data taken from HA excluding 'Disease count' and 'Consultations' taken from GPRR.
• NS-SEC =  National Statistics Socio-economic Classification (3 class version: based upon head of household main occupation – **using participant's (or in the case of married women the husband's) main occupation during their working life; GDS =  geriatric depression scale; sMMSE  =  standardised mini-mental state examination.
• *Excludes participants in institutional care.
• †GDS omitted if score <15 on sMMSE.
• ◊No of activities of daily living (I)ADL's) carried out with difficulty or requiring an aid, appliance, or personal help.
• ¥Disease count derived from 8 chronic diseases from GPRR (Table 3. Box 1).
• ‡Statistically significant.
Key health and socio-economic characteristics associated with phase to phase attrition.