		x₁	x₂	x₃	x₄	x₅	x₆	Y
x₁	Pearson Correlation	1	−0.013	0.095	0.018	−0.027	−0.062	−0.353^**
	Sig. (2-tailed)		0.870	0.243	0.830	0.740	0.450	0.000
	N	153	153	153	153	153	152	153
x₂	Pearson Correlation	−0.013	1	−0.073	−0.015	−0.182^*	−0.130	−0.152
	Sig. (2-tailed)	0.870		0.372	0.852	0.024	0.110	0.061
	N	153	153	153	153	153	152	153
x₃	Pearson Correlation	0.095	−0.073	1	−0.407^**	0.154	0.052	0.027
	Sig. (2-tailed)	0.243	0.372		0.000	0.058	0.524	0.737
	N	153	153	153	153	153	152	153
x₄	Pearson Correlation	0.018	−0.015	−0.407^**	1	0.191^*	0.200^*	−0.071
	Sig. (2-tailed)	0.830	0.852	0.000		0.018	0.013	0.386
	N	153	153	153	153	153	152	153
x₅	Pearson Correlation	−0.027	−0.182^*	0.154	0.191^*	1	0.284^**	0.051
	Sig. (2-tailed)	0.740	0.024	0.058	0.018		0.000	0.535
	N	153	153	153	153	153	152	153
x₆	Pearson Correlation	−0.062	−0.130	0.052	0.200^*	0.284^**	1	0.227^**
	Sig. (2-tailed)	0.450	0.110	0.524	0.013	0.000		0.005
	N	152	152	152	152	152	152	152
Y	Pearson Correlation	−0.353^**	−0.152	0.027	−0.071	0.051	0.227^**	1
	Sig. (2-tailed)	0.000	0.061	0.737	0.386	0.535	0.005
	N	153	153	153	153	153	152	153