Visit | Â | Baseline | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
---|---|---|---|---|---|---|---|---|---|---|---|
White | n | n/a2 | 1099 | 1062 | 1022 | 950 | 826 | 868 | 910 | 941 | 994 |
 | Mean WC1 | - | 63.7 | 66.1 | 68.1 | 69.6 | 70.6 | 71.3 | 72.5 | 73.4 | 74.8 |
Black | n | n/a | 1175 | 1147 | 1115 | 1074 | 955 | 963 | 987 | 985 | 1061 |
 | Mean WC | - | 66.7* | 69.3* | 71.0* | 72.7* | 73.5* | 75.1* | 76.2* | 77.5* | 79.1* |