Table 7.

Summary of significant multiple regression analyses of control in predicting characteristics associated with fibromyalgia

Analysis no	Dependent	Adj R2	R2	Independent	Standardized β
1	Perceived stress	0.51	0.53	PCOISS	0.322**
	F (2, 79) = 43.82, P < 0.000			Mastery Scale	0.485***
2	Confusion	0.23	0.25	PCOISS	0.291*
	F (2, 79) = 13.08, P < 0.000			Mastery Scale	0.264*
3	Anxiety	0.19	0.23	PCOISS	−0.252*
	F (2, 79) = 10.56, P < 0.05			Mastery Scale	−0.259*
4	Depression	0.27	0.29	PCOISS	NS
	F (2, 79) = 16.20, P < 0.000			Mastery Scale	−0.374**

Notes:

^*P < 0.05;

^**P < 0.01;

^***P < 0.001.

Abbreviations: NS, not significant; PCOISS, Perceived Control of Internal States Scale.