Table 1 Descriptive statistics

N

7010

–

–

–

 Females

4076 (58%)

–

–

–

 Mean age

51 (13)

–

–

–

 Outlier burden

1119 (3361)

–

–

–

LBC1921

Wave 1

Wave 2

Wave 3

Wave 4

N

430

–

173

82

 Females

260 (60%)

–

94 (54%)

44 (54%)

 Mean age

79 (0.58)

–

87 (0.40)

90 (0.10)

 Outlier burden

2039 (3280)

–

2330 (3901)

1717 (2029)

Wave 1

Wave 2

Wave 3

Wave 4

N

898

793

607

502

 Females

445 (50%)

376 (47%)

291 (48%)

249 (50%)

 Mean age

70 (0.83)

73 (0.70)

76 (0.67)

79 (0.62)

 Outlier burden

2197 (3203)

2729 (6020)

2293 (6861)

1423 (2845)