Table 1

Sample characteristics at the beginning of the first 6-month observation period (3075 individuals)

Variables (and missing values for the first observation window)N individuals (% of non-missing observations)
MMSE score (missing data for 0 individuals)
 0–10323 (10.5)
 11–201391 (45.2)
 21–301361 (44.3)
Age (missing data for 0)
 40–59 years43 (1.4)
 60–69 years207 (6.7)
 70–79 years1049 (34.1)
 80–89 years1486 (48.3)
 90 years or above289 (9.4)
Gender (missing data for 3)
 Female2059 (67.0)
 Male1013 (33.0)
Ethnicity (missing data for 0)
 White2529 (82.2)
 Caribbean/African310 (10.1)
 East/South Asian96 (3.1)
 Mixed/unknown140 (4.6)
Partner (missing data for 0)
 No1956 (63.6)
 Yes1119 (36.4)
Living alone (missing data for 0)
 No2277 (74.1)
 Yes798 (26.0)
Living conditions (HoNOS11) (missing data for 214)
 Not a problem2171 (75.6)
 Minor problems only426 (14.8)
 Significant problems274 (9.5)
ADL (HoNOS10) (missing data for 186)
 Not a problem651 (22.5)
 Minor problems only729 (25.2)
 Significant problems1509 (52.2)
Physical illness (HoNOS5) (missing data for 186)
 Not a problem965 (33.4)
 Minor problems only865 (29.9)
 Significant problems1059 (36.7)
Agitated (HoNOS1) (missing data for 181)
 Not a problem1918 (66.3)
 Minor problems only538 (18.6)
 Significant problems436 (15.1)
Depression (HoNOS7) (missing data for 185)
 Not a problem1818 (62.9)
 Minor problems only760 (26.3)
 Significant problems312 (10.8)
Relationship problems (HoNOS9) (missing data for 188)
 Not a problem1877 (65.0)
 Minor problems only582 (20.2)
 Significant problems428 (14.8)

  • HoNOS, Health of the Nation Outcome Scale; MMSE, Mini-Mental State Examination.