Table 3

Test-retest reliability of the NWQ-CS

Walking measure

ICC (95% CI)


Frequency/wk


Walking for transport within neighborhood

0.76 (0.65, 0.82)


Walking for transport outside neighborhood

0.79 (0.54, 0.92)


Walking for recreation within neighborhood

0.78 (0.67, 0.83)


Walking for recreation outside neighborhood

0.67 (0.51, 0.80)


Min/wk


Walking for transport within neighborhood

0.54 (0.39, 0.70)


Walking for transport outside neighborhood

0.37 (0.22, 0.54)


Walking for recreation within neighborhood

0.68 (0.55, 0.81)


Walking for recreation outside neighborhood

0.56 (0.40, 0.76)


Total walking

0.55 (0.41, 0.74)


NWQ-CS = Neighborhood Walking Questionnaire - Chinese version for Seniors; min = minutes; min = minutes; wk = week; ICC = intraclass correlation coefficient; 95% CI: 95% confidence intervals. Before computing the ICCs, positively skewed variables were log-transformed

Cerin et al. BMC Public Health 2011 11:851   doi:10.1186/1471-2458-11-851

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