Table 2. Multivariate Regression Analysis With State and Year Fixed Effects for the Weighted Access Index, Suicide Rates, and Motor Vehicle Crash Death Rates From 2006 to 2017a.
| Variableb | Suicide rate | Motor vehicle crash death rate for those aged 20-34 y | ||||
|---|---|---|---|---|---|---|
| Age 20-34 y | Age 45-64 y | |||||
| β (95% CI) | P value | β (95% CI) | P value | β (95% CI) | P value | |
| Weighted access indexc | 0.41 (0.08 to 0.74) | .02 | 0.21 (–0.18 to 0.60) | .26 | 0.01 (–0.19 to 0.21) | .90 |
| Black or African Americand | 0.57 (–2.27 to 3.40) | .67 | 1.26 (–2.82 to 5.33) | .51 | –2.07 (–3.83 to –0.31) | .03 |
| Fraction Republicane | –0.05 (–0.29 to 0.18) | .62 | 0.04 (–0.17 to 0.24) | .70 | –0.00 (–0.08 to 0.07) | .93 |
| State GDP growthf | –0.11 (–0.23 to 0.01) | .06 | –0.05 (–0.12 to 0.02) | .12 | –0.03 (–0.11 to 0.05) | .47 |
| State unemployment rateg | 0.00 (–0.34 to 0.34) | .98 | 0.14 (–0.05 to 0.33) | .14 | –0.11 (–0.29 to 0.08) | .22 |
| No. of observations | 220 | 415 | 337 | |||
| R2 | 0.84 | 0.87 | 0.91 | |||
Abbreviation: GDP, gross domestic product.
a
Three weighted least-square regression models weighted by state population. Standard errors are clustered at the state and year level.
b
All independent variables (first 5 rows) were z scored.
c
Measuring accessibility to a broad set of reproductive health services in each state.21
d
Percentage of state residents who are Black or African American.
e
Fraction of senators representing the state in the US Senate who are Republican.
f
Annual state-level GDP growth rate.
g
Annual state-level unemployment rate.