Table 1 Descriptive statistics of patients from Oxford Health NHS Foundation Trust (OHFT) and Southern Health NHS Foundation Trust (SHFT) based on the time when they received medication for the first time. The data for each Trust is presented separately according to the cognitive scale reported (Mini-Mental State Examination (MMSE) or Montreal Cognitive Assessment (MoCA))

Number of patients

1772

1127

3358

547

Number of observations

3575

1721

12,007

898

Male

37.81%

42.41%

39.70%

42.96%

Age, mean [SD]

81.93 [6.81]

81.72 [6.52]

80.48 [7.61]

80.22 [7.76]

Score, mean [SD]

21.01 [5.11]

17.25 [5.39]

21.10 [5.41]

17.95 [5.51]

Ethnicity (white)

81.66%

55.46%

79.51%

76.05%

Ethnicity (Asian)

0.28%

6.21%

0.33%

0.18%

Ethnicity (black)

0.45%

4.44%

0.21%

0.18%

Ethnicity (others)

0.90%

6.21%

0.27%

NA

Ethnicity (not available)

16.70%

42.86%

19.68%

23.58%

Marital status (married)

40.86%

26.97%

44.16%

40.04%

Marital status (separated)

2.26%

1.77%

4.52%

3.47%

Marital status (single)

4.01%

1.24%

3.21%

3.47%

Marital status (widowed)

28.05%

17.13%

26.18%

21.02%

Marital status (not available)

24.83%

52.88%

21.92%

31.99%