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Table 5 Standardized mean differences between one group and the other two combined for the Great Plains ecoregion

From: The effects of nutrients on stream invertebrates: a regional estimation by generalized propensity score

  Grouped by log TN (unadjusted) Adjusted for the GPS
Variable [2.05, 2.56] [2.56, 3.19] [3.19, 4.08] [2.05, 2.56] [2.56, 3.19] [3.19, 4.08]
ELEV 7.45 − 1.37 − 9.02 1.85 0.30 0.91
Longitude − 5.37 − 0.05 − 3.92 − 1.65 0.98 − 2.14
Log(PRECIP) 3.15 − 2.94 − 0.87 2.08 − 2.17 − 1.39
Log(AREA) − 3.46 2.02 − 0.29 − 1.63 1.89 1.22
Log(CL) 0.63 − 1.31 − 0.96 0.69 − 1.48 − 1.42
Log(HCO3) − 4.67 1.04 − 2.13 − 1.55 0.19 − 0.98
Log(SO4) − 2.22 0.11 − 1.53 0.45 − 0.37 − 0.46
SED 0.07 − 2.21 − 2.41 2.38 − 1.41 − 2.08
STRMTEMP − 3.59 0.99 − 1.49 − 1.50 0.26 − 0.81
Percent.AGT − 4.05 − 0.78 − 3.98 − 0.52 − 1.13 − 1.87
Percent.URB 1.05 − 1.62 − 0.99 0.21 − 1.80 − 1.74
Percent.Canopy 0.16 0.20 0.35 − 0.14 0.39 1.05
Riparian.Disturb − 2.36 2.19 0.65 − 1.52 1.83 0.98
  1. See Table 3 for explanations