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Table 6 Mean difference in total hours spent within each micro-environment between 1st and 2nd questionnaire (N=167)

From: Positional error and time-activity patterns in near-highway proximity studies: an exposure misclassification analysis

 

Micro-environment

Mean diff

95% CI

Workday/ weekday (hrs)

Inside home

0.09

(−0.48, 0.66)

Outside home

−0.33

(−0.82, 0.15)

School/work

0.48

(<−0.001, 0.96)

Others

−0.24

(−0.81, 0.32)

Highway

0.005

(−0.26, 0.15)

Non-workday /weekend (hrs)

Inside home

0.6

(−0.12, 1.31)

Outside home

−0.02

(−0.59, 0.55)

School/work

0.61

(0.15, 1.07)

Others

−0.98

(−1.61, −0.29)

 

Highway

−0.21

(−0.39, −0.04)