Congested streets | Uncongested streets | |
---|---|---|
On getting up | ||
No. subjects | 81 | 99 |
Mean CV in 1996–97 (SD) | 5.09 (3.31) | 6.17 (3.88) |
Mean CV in 1998–99 (SD) | 5.32 (4.35) | 4.99 (3.54) |
Mean change in CV (SD) | +0.23 (4.52) | −1.18 (3.83) |
95% CI | −0.75, +1.21 | −1.93, −0.43 |
On coming in | ||
No. subjects | 79 | 95 |
Mean CV in 1996–97 (SD) | 5.09 (3.47) | 5.77 (3.60) |
Mean CV in 1998–99 (SD) | 5.25 (4.07) | 5.22 (3.67) |
Mean change in CV (SD) | +0.16 (3.60) | −0.55 (3.36) |
95% CI | −0.63, +0.95 | −1.23, +0.13 |