Table 3.

Intra-class correlation coefficients (ICC) for continuous NDVI exposure variables

	Absolute Agreement		Consistency
Buffer size (m)	ICC (A,1)ᶧ	95% CI	ICC(C,1)ᶧ	95% CI
50	0.181**	0.025 – 0.356	0.799*	0.796 – 0.802
250	0.206**	0.029 – 0.401	0.942*	0.941 – 0.942
500	0.214**	0.031 – 0.414	0.964**	0.964 – 0.965
1,000	0.235**	0.035 – 0.443	0.978**	0.977 – 0.978

^ᶧModel specifications by McGraw and Wong, 1996

^**Significant at p < 0.001.

^*Significant at p<0.01.

ICC <0.5 poor, 0.5–0.75 fair, 0.75–0.9 good, >0.9 excellent. Criteria from Koo and Li, 2016