Table 6. Regression analysis with the PSIR indicators as dependent variables and residual CPI as the independent variable. Numbers shown are the t-values for the coefficients along with statistical significance.

6.1 Pressure (7 indicators and 21 variables)
Indicator
Description
Intercept
Slope
Adjusted R2
STRAIR
Reducing Air Pollution
-0.10 (0.089) ns
-0.086 (0.067) ns
0.7
STRWAT
Reducing Water Stress
0.001 (0.064) ns
-0.01 (0.048) ns
0
STRECO
Reducing Ecosystem Stress
-0.059 (0.063) ns
-0.029 (0.048) ns
0
STRWAS
Reducing Waste & Consumption Pressures
-0.033 (0.089) ns
-0.071 (0.067) ns
0.1
STRPOP
Reducing Population Pressure
0.311 (0.08) ns
-0.112 (0.06) P=0.065
2.6
GLOCLI
Greenhouse Gas Emissions
-0.054 (0.082) ns
0.072 (0.062) ns
0.4
GLOTRA
Reducing Trans-boundary Environmental Pressures
-0.107 (0.067) ns
0.024 (0.051) ns
0

6.2 State (5 indicators and 13 variables)
Indicator
Description
Intercept
Slope
Adjusted R2
SYSAIR
Air Quality
0.218 (0.072) **
0.082 (0.054) ns
1.4
SYSWQN
Water Quantity
-0.036 (0.071) ns
-0.035 (0.054) ns
0
SYSWQL
Water Quality
0.197 (0.062) **
0.069 (0.046) ns
1.3
SYSBIO
Biodiversity
-0.077 (0.096) ns
-0.039 (0.072) ns
0
SYSLAN
Land
-0.156 (0.091) P=0.088
0.075 (0.068) ns
0.2

6.3 Impact (2 indicators and 5 variables)
Indicator
Description
Intercept
Slope
Adjusted R2
VULSUS
Basic Human Sustenance
0.251 (0.08) **
-0.055 (0.06) ns
0
VULHEA
Environmental Health
0.312 (0.081) ***
-0.12 (0.061) P=0.051
3


6.4 Response (6 indicators and 29 variables)
Indicator
Description
Intercept
Slope
Adjusted R2
CAPST
Science and Technology
0.038 (0.09) ns
0.126 (0.068) P=0.066
2.5
CAPEFF
Eco-Efficiency
-0.002 (0.071)ns
0.123 (0.053) *
4.4
CAPDEB
Capacity for debate
0.121 (0.05) *
0.097 (0.038) *
5.7
CAPGOV
Environmental Governance
0.083 (0.059)ns
0.212 (0.044) ***
19.1
CAPPRI
Private Sector Responsiveness
-0.012 (0.072) ns
0.234 (0.054) ***
15.8
GLOPAR
Participation in International Collaborative Efforts
0.156 (0.051)**
0.154 (0.038) ***
13.7
ns not significant at P<0.05 * P<0.05 ** P<0.01 *** P<0.001