Table 1.

Descriptive Statistics for All Measures for the Overall Sample

Variable and time point	M	SD
Physical activity at baseline	156.44	70.89
Physical activity at Month 12	137.59	64.78
Physical activity at Month 24	128.84	60.12
Variables measured at baseline only
Walking self-efficacy	71.75	31.80
Lifestyle self-efficacy	90.91	13.20
FDI: advanced lower extremity function	17.90	4.85
FDI: basic lower extremity function	23.63	2.30
Outcome expectations for exercise (Resnick, Zimmerman, Orwig, Furstenberg, & Magaziner, 2000)	4.35	0.59
Outcome expectations for exercise (Conn, 1997)	4.63	0.44
Outcome expectations (Kim, Horan, Gendler, & Patel, 1991)	4.13	0.69

Note: FDI = Function and Disability Instrument.