Table 1.

Inter-factor Correlation Matrix at Baseline

	Factor 1	Factor 2	Factor 3	Factor 4
Factor 1	1.00	0.54	0.49	0.54
Factor 2	0.54	1.00	0.34	0.49
Factor 3	0.49	0.34	1.00	0.51
Factor 4	0.54	0.49	0.51	1.00