Table 3.
MANCOVA Results for Effect of Computer Experience on Computerized Cognitive Test Performance
| Dependent variables | Sources of variance | F | p value | Partial η2 |
|---|---|---|---|---|
| UFOV | Age** | 116.52 | .000 | 0.164 |
| Gender | 1.74 | .188 | 0.003 | |
| Race** | 45.58 | .000 | 0.071 | |
| Education** | 8.97 | .003 | 0.015 | |
| Depression** | 11.29 | .001 | 0.019 | |
| Diabetes* | 6.37 | .012 | 0.011 | |
| Hypertension | 0.16 | .690 | 0.000 | |
| Cataracts | 2.13 | .145 | 0.004 | |
| Computer Experience* | 6.27 | .013 | 0.010 | |
| RST | Age** | 61.26 | .000 | 0.093 |
| Gender | 2.19 | .140 | 0.004 | |
| Race** | 45.84 | .000 | 0.072 | |
| Education** | 13.97 | .000 | 0.023 | |
| Depression** | 14.34 | .000 | 0.024 | |
| Diabetes** | 9.31 | .002 | 0.015 | |
| Hypertension | 3.12 | .075 | 0.005 | |
| Cataracts | 3.18 | .075 | 0.005 | |
| Computer Experience** | 18.07 | .000 | 0.030 | |
| Stroop | Age** | 30.05 | .000 | 0.048 |
| Gender** | 12.42 | .000 | 0.020 | |
| Race** | 47.05 | .000 | 0.073 | |
| Education** | 27.67 | .000 | 0.045 | |
| Depression | 1.64 | .200 | 0.003 | |
| Diabetes | 3.35 | .068 | 0.006 | |
| Hypertension | 0.83 | .364 | 0.001 | |
| Cataracts | 0.24 | .622 | 0.000 | |
| Computer Experience** | 17.46 | .000 | 0.029 | |
| Trail Making Test | Age** | 24.65 | .000 | 0.040 |
| Gender | 2.02 | .156 | 0.003 | |
| Race** | 55.40 | .000 | 0.085 | |
| Education** | 10.90 | .001 | 0.018 | |
| Depression* | 5.69 | .017 | 0.009 | |
| Diabetes* | 4.52 | .034 | 0.008 | |
| Hypertension* | 6.53 | .011 | 0.011 | |
| Cataracts | 0.26 | .610 | 0.000 | |
| Computer Experience** | 19.03 | .000 | 0.031 |
Notes. Depression = CES-D score; UFOV = Useful Field of View Test; RST =Road Sign Test; covariates included age, gender, race, education, depression, diabetes, hypertension, and cataracts. Independent variable = Computer experience (Yes/No).
*p < .05; ** p < .001.