Table 4 Selective-attrition analysis.

From: The Dallas Lifespan Brain Study: A Comprehensive Adult Lifespan Data Set of Brain and Cognitive Aging

 

Total Epochs Attended

1 (N = 119)

2 (N = 138)

3 (N = 207)

p

Mean (SD)

Mean (SD)

Mean (SD)

Baseline Age, y

59.11 (19.69)

59.57 (18.86)

57.01 (16.66)

0.377

Female/Male, n (% Female)

67/52 (56.3%)

87/51 (63.0%)

133/74 (64.3%)

0.343

Baseline Education, y

15.45 (2.32)

15.61 (2.48)

16.09 (2.12)

0.028

MMSE

28.27 (1.24)

28.29 (1.28)

28.53 (1.20)

0.105

  1. Note. Age here was calculated based on the cognitive battery date. Abbreviations: MMSE, Mini-Mental State Examination; SD, standard deviation; y, years.