Table 1. Sample Characteristics according to Age Group and Study;
Study 1 | Study 2 | |||||
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older age | younger age | p | older age | younger age | p | |
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N (female) | 19 (9) | 19 (7) | 23 (11) | 27 (10) | ||
Age, mean years (SD) | 68.11 (5.10) | 25.05 (5.28) | <.001 | 67.17 (5.49) | 23.63 (4.79) | <.001 |
Education | 16.17 (2.33) | 15.21 (2.27) | .22 | 16.00 (2.28) | 16.30 (3.16) | .71 |
WTAR | 43.63 (6.44) | 43.16 (3.70) | .78 | 40.68 (7.13) | 43.96 (5.69) | .11 |
RR, mean ms (SD) | 942.77 (164.20) | 834.56(88.26) | .02 | 844.74 (212.08) | 862.21 (102.15) | .71 |
RMSSD, mean ms (SD) | 18.43 (7.34) | 25.81 (8.85) | <.001 | 20.48 (6.28) | 24.88 (4.73) | .01 |