Table 6 The independent effects of age, education, sex and site on the four cognitive assessments, further decomposing the effect of site into region and rural/urban location
| Â | The independent, mutually adjusted effects (eta2 %) of age, education, sex and site on cognitive test performance | Unpacking 'site' - the independent effects (eta2 %) of region and rural/urban location | The effect of region, adjusting for age, education, sex and rural/urban location (95% CI) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Cognitive test | Age | Education | Sex | Site | Region | Rural/Urban | Parameter | Latin America | China | India |
Global function (COGSCORE) | 3.3% | 7.0% | 0.4% | 7.6% | 6.8% | 0.5% | Adjusted mean | 30.0 (29.9, 30.1) | 31.1 (31.0, 31.2) | 28.5 (28.3, 28.6) |
| Â | Â | Â | Â | Â | Â | Â | Mean difference | Reference | 1.1 (0.9, 1.2) | -1.6 (-1.7, -1.4) |
Verbal Fluency | 3.1% | 5.1% | 0.4% | 15.8% | 12.2% | 0.0% | Adjusted mean | 16.0 (15.9, 16.1) | 16.3 (16.1, 16.5) | 10.2 (10.0, 10.5) |
| Â | Â | Â | Â | Â | Â | Â | Mean difference | Reference | 0.3 (0.0, 0.5) | -5.8 (-6.1, -5.5) |
Word list memory | 4.9% | 6.5% | 0.5% | 16.0% | 11.6% | 4.1% | Adjusted mean | 13.5 (13.4, 13.6) | 16.3 (16.1, 16.5) | 11.0 (10.7, 11.2) |
| Â | Â | Â | Â | Â | Â | Â | Mean difference | Reference | 2.8 (2.6, 3.0) | -2.5 (-2.8, -2.3) |
Word list recall | 4.7% | 4.0% | 0.6% | 11.6% | 5.1% | 3.5% | Adjusted mean | 4.3 (4.3, 4.3) | 5.4 (5.3, 5.5) | 3.8 (3.7, 3.9) |
| Â | Â | Â | Â | Â | Â | Â | Mean difference | Reference | 1.1 (1.0, 1.2) | -0.5 (-0.6, -0.4) |