Table 2 Moray House Test (MHT) scores at each time-point according to APOE e4 status, for all comers and completers.

From: Effect sizes of APOE e4 on the same general cognitive ability test taken by the same people from age 11 to age 90: The Lothian Birth Cohorts 1921 and 1936

 

Lothian Birth Cohort 1936

All comers

*Completers

 

All

APOE e4 yes

APOE e4 no

 

All

APOE e4 yes

APOE e4 no

N

M (SD)

N

M (SD)

MHT at age 11 (childhood)

954

49.3 (11.3)

49.3 (11.5)

49.3 (11.2)

430

51.6 (11.0)

50.7 (12.1)

51.9 (10.4)

MHT at age 70 (wave 1)

1001

64.6 (8.0)

64.3 (8.2)

64.7 (8.0)

457

66.7 (6.8)

65.8 (7.7)

67.0 (6.4)

MHT at age 76 (wave 3)

636

63.0 (9.5)

61.0 (10.7)

63.9 (8.9)

457

64.5 (8.6)

62.8 (9.6)

65.3 (7.9)

MHT at age 79 (wave 4)

471

62.7 (9.8)

60.2 (10.3)

63.7 (9.5)

457

63.0 (9.6)

60.6 (10.1)

64.0 (9.2)

 

Lothian Birth Cohort 1921

All comers

*Completers

MHT at age 11 (childhood)

483

46.6 (11.8)

45.8 (11.2)

46.9 (12.1)

104

49.2 (11.0)

45.7 (10.8)

50.1 (10.9)

MHT at age 79 (wave 1)

533

59.5 (10.4)

57.5 (10.7)

60.2 (10.3)

119

63.4 (8.2)

61.4 (7.6)

63.9 (8.3)

MHT at age 87 (wave 3)

198

54.2 (13.8)

48.8 (15.9)

55.8 (12.8)

119

58.0 (10.9)

53.8 (11.3)

59.1 (10.6)

MHT at age 90 (wave 4)

120

51.7 (14.5)

44.0 (14.0)

53.7 (14.1)

119

51.9 (14.4)

44.0 (14.0)

54.1 (13.8)

  1. For the LBC1936, exact ages in years (M ± SD) were as follows: age 11 = 10.9 ± 0.3; age 70 = 69.5 ± 0.8; age 76 = 76.2 ± 0.7; age 79 = 79.3 ± 0.6.
  2. For the LBC1921, exact ages in years (M ± SD) were as follows: age 11 = 10.9 ± 0.3; age 79 = 79.5 ± 0.7; age 87 = 86.6 ± 0.4; age 90 = 90.1 ± 0.1.
  3. *Completers are participants who attended all three waves of testing in older age (LBC1936: ages 70, 76, 79; LBC1921: ages 79, 87, 90) and completed the MHT during each of these waves.
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