Table 1.

Numbers of subjects refusing and agreeing to take part in the main survey interviews

	Refused N	Interviewed N
Age
65–74 years (n = 476)	234 (49.2%)	242 (50.8%)
75–84 years (n = 412)	244 (59.2%)	168 (40.8%)	χ2 = 8.81, 1df, p < 0.01
Gender
Male (n = 428)	216 (50.5%)	212 (49.5%)
Female (n = 459)	262 (57.1%)	197(42.9%)	χ2 = 3.90, 1df, p < 0.05
Deprivation Level
Low (n = 351)	165 (47.0%)	186 (53.0%)
Medium (n = 322)	186 (56.0%)	146 (44.0%)
High (n = 204)	127 (62.3%)	77 (37.7%)	χ2 = 13.0, 2df, p < 0.001
TOTAL	478 (53.9%)	409 (46.1%)