Table 2.

Unadjusted comparisons for primary outcomes of interest between online integrated practice unit and in-clinic integrated practice unit groups.

Variable and group		Value, mean (SD)	t test (df)	P value	Difference
Change in pain (points)			4.64 (1020)	<.001 a	1.02
	Web-based	−1.97 (1.57)
	In clinic	−2.99 (2.10)
Change in Oswestry Disability Index (points)			3.15 (1020)	.002 a	4.26
	Web-based	−2.97 (10.96)
	In clinic	−7.23 (12.93)
Change in Patient-Specific Functional Scale (points)			5.38 (1020)	<.001 a	1.70
	Web-based	3.14 (3.13)
	In clinic	1.44 (2.72)

^aItalics indicate significant difference between online and in clinic groups.