Table 3.

Summary of hierarchical regression for pain catastrophizing, pain duration, and their interaction in relating to perceived support

	B	SE	Beta
Solicitous spouse responses to paina
Step 1
Pain duration	0.01	0.01	0.08
Pain catastrophizing	0.15	0.07	0.22*
Step 2
Pain duration X	−0.002	0.001	−0.29*
Pain catastrophizing
Perceived spousal supportb
Step 1
Pain severity	−0.37	0.27	−0.15
Pain duration	0.003	0.01	0.04
Pain catastrophizing	−0.12	0.07	−0.18*
Step 2
Pain duration X	−0.002	0.001	−0.32*
Pain catastrophizing

N = 96; ** P < 0.01.

^*P < 0.05

^aR² = 0.05 for step 1; ΔR² = 0.05 for step 2 (P < 0.05).

^bR² = 0.07; P < 0.08 for step 1; ΔR² = 0.07, P < 0.01 for step 2.