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Table 3 Policy intervention effect on length of stay and length of stay per hospitalization (PS weighted difference-in-difference)

From: The impact of Timothy's Law on hospitalization among patients with mental health conditions in New York State

All mental health illnesses covered by Timothy’s Law
Outcome variable Total length of Stay (LOS) Length of stay per hospitalization (LOSPH)
Parameter Estimate Bootstrap
95% CI
p-value Estimate Bootstrap 95% CI P-value
Intervention 5.23 3.64 6.86  < .0001 3.99 2.87 5.2  < .0001
Control 0.31 −0.81 1.58 0.58 0.74 0.13 1.37 0.0146
Policy's effect (ATT) 4.91 2.89 7.01  < .0001 3.25 1.96 4.57  < .0001
Severe mental health illnesses
Parameter Estimate Bootstrap
95% CI
p-value Estimate Bootstrap 95% CI   P-value
Intervention 6.63 4.17 9.32  < .0001 3.14 6.79 3.14  < .0001
Control −0.44 −2.09 1.04 0.5678 −0.47 1.83 −0.47 0.0746
Policy's effect (ATT) 7.07 4.15 10.17  < .0001 1.93 6.03 1.93 0.0002
  1. The results were adjusted by age, race, sex, and all comorbidities