Table A.1:

Spearman correlations between variables

	No. of pulmonary NTM isolation cases	Hydric soil >50%	Acidic soil >20%	Cultiv-ated crops %	Dirt road density (m/km²)	Decid-uous forest %	Ever-green forest %	Grass-land %	Wet-land %	Open water %	Public water supply >50% households	Impervious surface %	Paved road density (m/km²)	Population density (people/km²)	Med. Building value	Med. age	Female %	White race %
No. of pulmonary NTM isolation cases	1.00
Hydric soil >50%	0.02^*	1.00
Acidic soil >20%	−0.03^*	−0.03^*	1.00
Cultivated crops %	0.01	0.23^*	0.05^*	1.00
Dirt road density (m/km²)	0.02^*	0.02	−0.25^*	0.10	1.00
Deciduous forest %	0.03^*	0.20^*	−0.25^*	0.24^*	0.25^*	1.00
Evergreen forest %	0.04^*	0.14^*	−0.11^*	0.24^*	0.19^*	0.61^*	1.00
Grassland %	0.02^*	0.19^*	−0.16^*	0.39^*	0.24^*	0.59^*	0.53^*	1.00
Wetland %	0.03^*	0.30^*	−0.04^*	0.26^*	0.11^*	0.37^*	0.32^*	0.35^*	1.00
Open water %	−0.01^*	0.13^*	0.03^*	0.37^*	0.17^*	0.35^*	0.34^*	0.39^*	0.37^*	1.00
Public water supply >50% of households	0.05	−0.12^*	−0.06^*	−0.28^*	−0.17^*	−0.46^*	−0.44^*	−0.48^*	−0.26^*	−0.29^*	1.00
Impervious surface %	0.01	−0.14^*	0.16^*	−0.22^*	−0.18^*	−0.61^*	−0.54^*	−0.47	−0.27^*	−0.28^*	0.38^*	1.00
Paved road density (m/km²)	−0.07^*	−0.22^*	0.21^*	−0.31^*	−0.28^*	−0.72^*	−0.63^*	−0.63^*	−0.43^*	−0.40^*	0.46^*	0.58^*	1.00
Population density (people/ km²)	0.03^*	−0.18^*	0.20^*	−0.31^*	−0.23^*	−0.64^*	−0.57^*	−0.60^*	−0.32^*	−0.35^*	0.42^*	0.67^*	0.67^*	1.00
Median building value	0.01	0.00	−0.01	−0.05^*	−0.06^*	0.08^*	0.07^*	−0.01	0.03^*	0.03^*	−0.05^*	−0.06^*	−0.11^*	0.01	1.00
Median age	0.00	0.00	−0.08^*	0.06^*	0.06^*	0.21^*	0.21^*	0.15^*	0.05^*	0.10^*	−0.12^*	−0.37^*	−0.19^*	−0.44^*	0.09^*	1.00
Female %	0.03^*	0.01	−0.03^*	−0.04^*	−0.02^*	−0.07^*	−0.06^*	−0.05^*	−0.04^*	−0.04^*	0.05^*	0.08^*	0.07^*	0.08^*	−0.03^*	0.05^*	1.00
White race %	−0.03^*	0.03^*	−0.02	0.05^*	−0.01	0.19^*	0.17^*	0.14^*	0.05^*	0.08^*	−0.14^*	−0.32^*	−0.18^*	−0.31^*	0.40^*	0.36^*	−0.04^*	1.00

Correlations with an absolute value of Spearman correlation coefficient >0.4 have been bolded

denotes statistically significant correlations at p<0.05