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. 2022 Oct 28;7(1):e43. doi: 10.1017/cts.2022.468

Table 1.

County-level characteristics and bivariate associations (N = 766 counties)

Type III Tests of Fixed Effects
Summary statistics Black
premature births
Hispanic
premature births
White
premature births
Variables Mean STD* F-value p F-value p F-value p
Percentage of Black women’s babies born premature in 2019 12.96 1.99
Percentage of Hispanic women’s babies born premature in 2019 8.95 1.64
Percentage of White women’s babies born premature in 2019 8.63 1.19
Jail admission rate per 100,000 county adult residents in 2018 6,137.37 8,364.74 2.31 0.13 1.85 0.17 6.61 <0.0001
Distressed Communities Index (0–100) 54.08 28.99 54.50 <0.0001 1.70 0.19 82.17 <0.0001
Index of Relative Rurality
(0–100)
47.02 8.39 19.35 <0.0001 2.63 0.10 74.38 <0.0001
*

Standard deviation.

Note: Dependent variables for premature birth are log-transformed.