Table 7

Sequential multiple regression analyses of BIPQ items predicting self-reported disability (RMDQ)

Variable, n=200	B=unstandardised		β=standardised		Adjusted R²
Variable, n=200	B (95% CI)	SEB	β (p value)	R²	Adjusted R²
BIPQ total score	0.215 (0.14 to 0.29)	0.038	0.289 (<0.0001)	0.647	0.625
Consequences	0.713 (0.432 to 0.994)	0.142	0.287 (<0.0001)	0.635	0.612
Timeline	0.447 (0.162 to 0.732)	0.144	0.157 (0.002)	0.606	0.581
Personal control	−0.034 (−0.310 to 0.241)	0.140	−0.012 (0.807)	0.586	0.560
Treatment control	0.384 (0.091 to 0.676)	0.148	0.133 (0.010)	0.601	0.575
Identity	0.527 (0.227 to 0.827)	0.152	0.202 (0.001)	0.611	0.586
Illness concern	0.830 (0.558 to 1.102)	0.138	0.316 (<0.0001)	0.653	0.631
Coherence	0.101 (-0.181 to 0.383)	0.143	0.038 (0.482)	0.587	0.561
Emotional representation	0.634 (0.396 to 0.872)	0.121	0.299 (<0.0005)	0.639	0.616

Significant at Bonferroni 0.0063 level (two-tailed).
RMDQ, Roland Morris Disability Questionnaire; BIPQ, Brief Illness Perception Questionnaire; BIPQ1, consequences; BIPQ2, timeline; BIPQ3, personal control; BIPQ4, treatment control; BIPQ5, identity; BIPQ6, illness concern; BIPQ7, coherence; BIPQ8, emotional representation.