Table 2.

County demographics by quartile of prison rates and adverse birth outcomes.

Prison rate quartile (N)	Variable	Mean	SD	PTB % quartile (N)	Variable	Mean	SD
1 (104)	% NH White	71.94	16.62	1 (84)	% NH White	72.22	17.96
	% NH Black	7.39	6.17		% NH Black	6.29	5.47
	% Poverty	12.93	9.16		% Poverty	16.49	6.91
2 (105)	% NH White	69.28	17.94	2 (84)	% NH White	66.79	18.40
	% NH Black	11.21	9.86		% NH Black	10.20	8.52
	% Poverty	19.82	5.83		% Poverty	20.13	6.94
3 (105)	% NH White	66.03	17.01	3 (85)	% NH White	66.28	16.16
	% NH Black	14.71	11.83		% NH Black	15.26	12.86
	% Poverty	23.06	5.94		% Poverty	21.05	7.05
4 (104)	% NH White	62.42	16.66	4 (84)	% NH White	69.32	14.45
	% NH Black	18.33	14.93		% NH Black	18.55	14.52
	% Poverty	25.66	5.47		% Poverty	22.84	6.90
LBW % quartile (N)				IM % quartile (N)
1 (91)	% NH White	75.56	16.82	1 (47)	% NH White	56.23	17.45
	% NH Black	4.67	3.73		% NH Black	7.98	5.79
	% Poverty	16.54	6.97		% Poverty	16.65	6.61
2 (92)	% NH White	70.83	17.58	2 (47)	% NH White	58.03	16.67
	% NH Black	8.85	8.12		% NH Black	13.03	9.35
	% Poverty	18.48	6.78		% Poverty	19.98	6.19
3 (88)	% NH White	66.28	16.62	3 (48)	% NH White	63.69	16.63
	% NH Black	15.17	11.74		% NH Black	14.74	11.53
	% Poverty	21.24	6.84		% Poverty	22.22	5.99
4 (92)	% NH White	68.26	13.17	4 (47)	% NH White	57.33	17.56
	% NH Black	20.00	13.58		% NH Black	28.36	16.75
	% Poverty	23.80	6.02		% Poverty	26.54	6.69

Note. Quartiles are in ascending order.