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. 2021 Aug 20;3:100052. doi: 10.1016/j.lana.2021.100052

Table 3.

SEM model comparing shooting rates in HOLC Yellow vs Green census blocks in Boston in the A) direct pathway between HOLC designation and shooting rate accounting for mediators B) direct pathway between HOLC Yellow (vs Green) and the mediators, C) direct pathway between mediators and shooting rate and D) Indirect pathway from HOLC Yellow (vs Green) designation to shooting rate through the mediators (Mx) of interest.

  • A)

    Direct

HOLC Yellow (X) → Firearm Incident Rate (Y)(IRR, 95% CI)
HOLC Designation:
Yellow (vs Green)		 4•10** (1•64, 10•3)
  • A)

    Direct

HOLC Yellow (X)→Mx(Coefficient, 95% CI)
  • A)

    Direct

Mx→ Firearm Incident Rate (Y)(IRR, 95% CI)
  • A)

    Indirect

HOLC Yellow (X)→ Firearm Incident Rate (Y)(IRR, 95% CI) 		Percent mediated (%)
M1 (poverty, poor educational attainment, and need for public services) 0•49
(0•43, 0•55)
p<0.001		 1•86
(1•28, 2•69)
p<0.001		 1•31**
(1•12, 1•53)
p<0.001		 16
M2 (housing affordability and income inequality) -0•65
(-0•74, -0•57)
p<0.001		 1•11
(0•95, 0•25)
p=0.13		 0•93
(0•85, 1•03)
p=0.13
M3 (Share of rented housing) -0•18
(-0•25, -0•12)
p<0.001		 1•28
(1•01, 2•08)
p=0.01		 0•93
(0•87, 1•01)
p=0.20
M4 (Black share of the population) 0•58
(0•53, 0•63)
p<0.001		 1•46
(1•20, 1•79)
p<0.001		 1•25**
(1•11, 1•40)
p<0.001		 13

Green= “Best”, Blue= “Still Desirable,” Yellow= “Definitely Declining,” Red= “Hazardous”