Table 4.

Brief Pain Inventory by Pain Extent Subgroup

Variable	Regional Pain	Widespread Pain
Pain Worst	3.1 (1.9)	6.6 (2.3)**
Pain Least	1.0 (1.3)	3.2 (2.9)
Pain Average	2.7 (1.6)	4.9 (2.1)*
Pain Right Now	1.4 (1.4)	5.2 (2.4)**
Pain Interference
General Activity	0.6 (1.3)	4.5 (2.1)**
Mood	1.0 (1.8)	4.8 (2.2)**
Walking Ability	0.6 (1.5)	4.2 (2.0)**
Normal Work	1.1 (1.7)	4.9 (2.5)**
Relations with others	0.4 (0.9)	4.2 (2.6)**
Sleep	2.3 (3.2)	5.4 (2.9)
Enjoyment of Life	1.3 (1.0)	5.2 (2.3)**

Numbers are means and standard deviations.

*<0.01; **<0.001