Table 3 Coefficients for initial and final model of the secondary sex ratio in the United States (less California and New York City) for November 2001, December 2001 and January 2002.
From: Male fetal loss in the U.S. following the terrorist attacks of September 11, 2001
Predictor | Initial model | Final model |
|---|---|---|
Constant | 1.048* (.0005) | 1.048* (.0004) |
ARIMA parameters | ||
   AR at 1 | .2403* (.1136) | .2487* (.1108) |
   AR at 6 | -.2294* (.1128) | -.2353* (.1097) |
   MA at 16 | .2986* (.1249) | .2933* (.1243) |
September 11 variable lagged at: | ||
   November 2001 | -.0019 (.0038) |  |
   December 2001 | -.0079* (.0039) | -.0074* (.0036) |
   January 2002 | -.00005 (.0038) |  |