Table 3.
Variables | Internet users (n = 19) | Non-internet users (n = 30) | X2 or t or Z | P -Value |
---|---|---|---|---|
Age, years | 64.58 ± 4.948 | 64.90 ± 4.444 | −0.236 | 0.815 |
Education, years | 11.53 ± 2.695 | 11.37 ± 2.760 | 0.199 | 0.843 |
Male, n (%) | 15 (78.9) | 25 (83.3) | 0.149 | 0.720 |
Smoker, n (%) | 8 (42.1) | 14 (46.7) | 0.098 | 0.777 |
Drinker, n (%) | 6 (31.6) | 8 (26.7) | 0.138 | 0.754 |
Tea drinker, n (%) | 13 (68.4) | 14 (46.7) | 2.225 | 0.155 |
Take exercise, n (%) | 10 (52.6) | 21 (70.0) | 1.510 | 0.242 |
Diabetes, n (%) | 4 (21.1) | 6 (20.0) | 0.008 | 1.000 |
Hypertension, n (%) | 8 (42.1) | 13 (43.3) | 0.007 | 1.000 |
Whole brain volume, cm3 | 1,573.63 ± 117.264 | 1,524.69 ± 92.251 | 1.627 | 0.110 |
Left hippocampus, cm3 | 4.034 ± 0.410 | 3.747 ± 0.342 | 2.648 | 0.011* |
Right hippocampus, cm3 | 4.251 ± 0.377 | 3.971 ± 0.361 | 2.602 | 0.012* |
Left amygdala, cm3 | 1.718 ± 0.242 | 1.579 ± 0.185 | 2.260 | 0.028* |
Right amygdala, cm3 | 1.877 ± 0.288 | 1.735 ± 0.234 | 1.889 | 0.065 |
Left globus pallidus, cm3 | 2.167 ± 0.256 | 2.034 ± 0.167 | 2.210 | 0.032* |
Right globus pallidus, cm3 | 2.123 ± 0.206 | 1.938 ± 0.173 | 3.374 | 0.001* |
Baseline MMSE | 28.53 ± 1.712 | 28.77 ± 1.305 | −0.556 | 0.581 |
Follow up of MMSE | 28.25 ± 1.658 | 27.82 ± 1.879 | 0.631 | 0.533 |
MMSE change score | 0.000 ± 2.044 | −1.177 ± 1.237 | −2.235 | 0.033* |
Baseline MoCA | 26.16 ± 2.630 | 25.87 ± 2.623 | 0.378 | 0.707 |
Follow up of MoCA | 25.42 ± 3.088 | 25.82 ± 3.187 | −0.343 | 0.734 |
MoCA change score | 0.000 ± 3.104 | 0.824 ± 3.067 | −0.709 | 0.485 |
MMSE, Mini-Mental State Examination; MoCA, Montreal Cognitive Assessment.
P < 0.05.