Table 5.

Backward Elimination Regression Models Predicting Symptom Cluster Change in Female Breast Cancer Survivors Receiving Mindfulness-Based Stress Reduction for Breast Cancer (MBSR[BC]) Treatment.

Predictorsa	p value	Modelb R2	Model p value
Gastrointestinal cluster
B lymphocytesc	< .001
PHA-stimulated CD3+IFN-γ+	.013
(Th1)c		.65	<.001
Cognitive/psychological cluster
CD4+CD8+	.012
		.31	.012
Fatigue cluster
Total lymphocytesd	.008
PHA-stimulated CD3+IL-4+	.007
(Th2)d		.56	.003

Note. CD = cluster of differentiation; IFN = interferon; IL = interleukin; PHA = phytohemagglutinin; Th1 & Th2 = T helper 1 or 2 response.

^aPredictors were retained in model if p < .05.

^bAdjusted R².

^cLog transformed.

^dSquare root transformed.