Table 2.

Adjusted Linear Mixed Modeling of the Effect of Walkability on Log-transformed MVPA Minutes/week over 12 Months

Parameters	Level	b	SE	LCL Mean	UCL Mean	t	P
intercept		5.08	0.44	4.22	5.94	11.63	<.0001
Treatment	SM+FB	0.23	0.12	0.00	0.46	1.99	0.047
	SM	reference
Visit	12Mo	−0.23	0.08	−0.40	−0.06	−2.72	0.009
	6Mo	0.003	0.07	−0.14	0.14	0.04	0.968
	baseline	reference
Treatment*Visit	SM+FB and 12Mo	−0.07	0.12	−0.31	0.16	−0.64	0.524
	SM+FB and 6Mo	−0.10	0.10	−0.29	0.09	−1.06	0.290
	SM and baseline	reference
Walkability	car dependent (0–49)	0.12	0.10	−0.08	0.32	1.17	0.244
	walkable (50–100) neighborhoods	reference
Treatment*Walkability	SM+FB and car dependent (0–49)	−0.20	0.15	−0.48	0.09	−1.38	0.170
	SM and walkable (50–100) neighborhoods	reference
Education (years)		0.02	0.01	−0.01	0.04	1.33	0.185
Age (years)		0.01	0.003	0.00	0.01	2.66	0.009
Exercise self-efficacy		0.17	0.04	0.09	0.26	4.18	<.0001
BMI		−0.02	0.01	−0.04	0.00	−2.35	0.019
Gender	Female	−0.64	0.09	−0.81	−0.47	−7.47	<.0001
	Male	reference
Race	African American, American Indian, Asian, Multi-racial	0.03	0.10	−0.16	0.22	0.28	0.782
	White	reference

Note: P-values were obtained from t-test for fixed-effect parameter estimates; b=beta regression coefficient; SE= standard error