Table 4 Partial correlation coefficients, adjusted for age and sex, between different indicators of health, functioning, and overall activity, and physical performance assessed at home or in the research center (RC), and physical activity (PA) assessed using questionnaire (Quest) or trunk- or thigh-worn accelerometers (acc.)

Self-rated health

−0.27***

−0.35***

−0.19***

− 0.18***

− 0.32***

− 0.26***

− 0.23***

− 0.15**

Limited due to health & function

− 0.34***

−0.41***

− 0.19***

−0.16***

− 0.29***

−0.29***

− 0.21***

−0.19***

MMSE score

0.21***

0.11**

0.12***

0.11**

0.09**

0.04

0.11**

0.05

ADL limitation

−0.23***

−0.30***

−0.16***

− 0.11**

−0.14***

− 0.11**

−0.13***

− 0.07

Difficulty walking 500 m

−0.41***

− 0.45***

−0.19***

− 0.17***

−0.27***

− 0.31***

−0.26***

− 0.25***

Mobility device

−0.34***

− 0.37***

−0.17***

− 0.08*

−0.23***

− 0.24***

−0.20***

− 0.06

Physical activity – single question

0.42***

0.46***

0.22***

0.22***

0.49***

0.38***

0.43***

0.31***

Neighborhood mobility

0.32***

0.30***

0.15***

0.09**

0.38***

0.31***

0.27***

0.22***

CES-D score

−0.24***

−0.23***

−0.16***

− 0.14***

−0.18***

− 0.06

−0.18***

− 0.06

Body Mass Index

−0.20***

− 0.32***

0.04

0.10**

−0.24***

− 0.39***

−0.23***

− 0.40***

Days between home and RC visit

0.03

−0.02

−0.01

− 0.03

–

–

–

–

Monitor wear time

–

–

–

–

–

0.10*

–

0.03