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Table 1 Mediation effect of power outage on the associations between major storms and chronic obstructive pulmonary disease, NY, 2001–2013

From: Power outage mediates the associations between major storms and hospital admission of chronic obstructive pulmonary disease

Lags Direct effect a Indirect effect b Estimated percent mediated by PO
(%, 95CI)
0 0.21 (0.13,0.29) 0.39 (0.27,0.50) 65.0 (48.7,79.3)
1 0.15 (0.08,0.23) 0.19 (0.13,0.25) 55.4 (36.7,76.2)
2 0.13 (0.05,0.21) 0.13 (0.08,0.17) 49.6 (28.5,76.5)
3 0.15 (0.07,0.22) 0.17 (0.11,0.23) 53.4 (31.9,77.0)
4 0.16 (0.08,0.23) 0.21 (0.14,0.28) 57.7 (37.9,78.2)
5 0.17 (0.09,0.25) 0.29 (0.19,0.39) 62.7 (42.1,81.6)
6 0.15 (0.06,0.24) 0.21 (0.13,0.28) 57.8 (36.1,81.4)
  1. a Direct effect: ADE, Average Direct Effects;
  2. b Indirect effect: ACME, Average Causal Mediation Effects