Outcome DiD impact of intervention – relative to non-intervention areas in Zarqa, by subsample DiD impact of intervention – relative to non-intervention areas in Zarqa, by subsample DiD impact of intervention – relative to non-intervention areas in Zarqa, by subsample DiD impact of intervention – relative to non-intervention areas in Amman, by subsample DiD impact of intervention – relative to non-intervention areas in Amman, by subsample DiD impact of intervention – relative to non-intervention areas in Amman, by subsample
(1) WNP (2) WWNP (3) Both (4) WNP (5) WWNP (6) Both
Water supply
Piped water is primary source
-0.05 (0.10)
n.a.
-0.01 (0.10) -0.07 (0.11)
n.a.
+0.09 (0.12)
Hours piped water, for days w/water
-1.8 (2.5)
n.a.
0.25 (2.5) -8.1*** (3.0)
n.a.
-3.7 (3.0)
Water consumption (m3/month)
+16.9 (16.8)
n.a.
+24.7 (19.2) +12.5 (16.5)
n.a.
+25.9 (21.1)
Reported water interruption
+0.03 (0.11)
n.a.
-0.03 (0.12) +0.03 (0.14)
n.a.
+0.05 (0.15)
Expenditure on water from vendors (JD/month)
+0.21 (0.46)
n.a.
-0.35 (0.49) -0.54 (0.54)
n.a.
-1.50** (0.61)
Expenditure on water, all sources (arcsin, JD/month)
+0.22 (0.28)
n.a.
-0.02 (0.31) -0.57* (0.33)
n.a.
-0.01 (0.34)
Wastewater management
Use of some wastewater system
n.a.
-0.12 (0.08) +0.02 (0.08)
n.a.
-0.16 (0.10) +0.05 (0.08)
Sewer connection
n.a.
-0.18** (0.09) -0.09 (0.09)
n.a.
-0.11 (0.10) +0.02 (0.09)
Cost of wastewater management (arcsin, JD/month)
n.a.
-0.22 (0.32) -0.46* (0.26)
n.a.
+0.05 (0.41) -0.04 (0.37)
Overall welfare
Expenditure (arcsin, JD/month)
-0.46*** (0.15) -0.02 (0.15) +0.36* (0.18) -0.34** (0.17) +0.07 (0.18) -0.39* (0.21)
Asset value (arcsin, JD)
+0.25 (0.33) +0.09 (0.36) -0.77*** (0.28) +0.24 (0.30) -0.16 (0.31) -0.31 (0.31)
Land value (arcsin, JD)
+0.57 (0.35) +0.28 (0.45) -0.50 (0.37) +0.60 (0.43) +0.41 (0.53) -0.50 (0.34)
Sample size for comparison 246 229 216 156 139 239