Table 5.

Multivariate linear regression models for activity outcomes.

Predictorsa		Lab-based outcomes		Accelerometer-based outcomes
		Gait speed		Gait speed		Low activity
		Coefficient (95% CI)	P value	Coefficient (95% CI)	P value	Coefficient (95% CI)	P value
Model 1
	HIV status	0.04 (−0.15 to 0.07)	.47	−0.20 (−0.39 to −0.02)	.03	−0.15 (0.01 to 0.29)	.04
	Body mass index	−0.35 (−0.67 to −0.36)	.03	−0.59 (−1.13 to −0.06)	.03	0.01 (−0.41 to 0.43)	.96
Model 2b
	HIV statusb	0.12 (−0.17 to 0.26)	.08	−0.10 (−0.37 to 0.16)	.44	0.14 (−0.06 to 0.33)	.17
	Body mass index	−0.32 (−0.61 to −0.02)	.04	−0.65 (−1.22 to −0.07)	.03	0.02 (−0.06 to 0.33)	.94

^aAll variables were natural log-transformed before analysis.

^bAdjusted for race (ie, white), smoking, and living alone.