Smokers
    45.6 36.1 39.0 46.6 39.0 39.0 43.7 39.0 43.7 39.9 36.1 37.1 35.2 31.4
xi   1 2 3 4 5 6 7 8 9 10 11 12 13 14
38 1 –1 1 –1 –1 –1 –1 –1 –1 –1 –1 1 1 1 1
44 2 –1 1 1   1 1 1 1 1 1 1 1 1 1
43 3 –1 1 1 –1 1 1 –1 1 –1 1 1 1 1 1
44 4 –1 1 1 –1 1 1 1 1 1 1 1 1 1 1
40 5 –1 1 1 –1 1 1 –1 1 –1 1 1 1 1 1
38 6 –1 1 –1 –1 –1 –1 –1 –1 –1 –1 1 1 1 1
40 7 –1 1 1 –1 1 1 –1 1 –1 1 1 1 1 1
41 8 –1 1 1 –1 1 1 –1 1 –1 1 1 1 1 1
40 9 –1 1 1 –1 1 1 –1 1 –1 1 1 1 1 1
43 10 –1 1 1   1 1 –1 1 –1 1 1 1 1 1
40 11 –1 1 1 –1 1 1 –1 1 –1 1 1 1 1 1
46 12 1 1 1 –1 1 1 1 1 1 1 1 1 1 1
42 13 –1 1 1 –1 1 1 –1 1 –1 1 1 1 1 1
44 14 –1 1 1 –1 1 1 1 1 1 1 1 1 1 1
42 15 –1 1 1 –1   1 –1 1 –1 1 1 1 1 1
38 16 –1 1 –1 –1 –1 –1 –1 –1 –1 –1 1 1 1 1
49 17 1 1 1 1 1 1 1 1 1 1 1 1 1 1
39 18 –1 1 0 –1 0 1 –1 0 –1 –1 1 1 1 1
Table 2: Values of uij (Eqn 1) for the PCV levels of Table 1 (Smokers= ; Nonsmokers=X).