. 2019 May 10;9(5):e023332. doi: 10.1136/bmjopen-2018-023332

Table 2.

Reliability of HK-NCI

HK-NCI total and subscores	Mean±SD	Internal consistency	Test–retest reliability*
HK-NCI total and subscores	Mean±SD	Cronbach’s α	Intra-class correlation (95% CI)
HK-NCI-Total	3.8±0.5	0.813	0.701 (0.497 to 0.832)
HK-NCI-SC	3.5±0.7	0.763	–
HK-NCI-NB	4.2±0.5	0.715	–

*Sample size for test–retest reliability was 38.

HK-NCI, Hong Kong version of Neighbourhood Cohesion Instrument (15 items); NB, neighbourhood belonging (items 9, 10, 11, 12, 13, 14 and 15); SC, social cohesion (items 1, 2, 3, 4, 5, 6, 7 and 8).