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Table 5

Regression results with water quality indicators as dependent variables (N = 23)

pH
TDS
Turbidity
EC
DO
VariableEstimateS.EEstimateS.EEstimateS.EEstimateS.EEstimateS.E
Intercept 8.494*** 0.632 59.616 38.437 0.834 0.779 114.116. 61.796 4.221. 1.056 
OM1 −0.039 0.073 3.688 4.413 0.083 0.089 −6.412 7.094 −0.095 0.121 
OM2 0.302 0.236 14.496 14.333 −0.051 0.290 31.428 23.044 0.254 0.394 
OM3 −0.174 0.129 26.094** 7.835 0.030 0.159 13.788 12.597 0.141 0.215 
OM4 0.021 0.076 6.276 4.596 −0.024 0.093 6.001 7.390 0.095 0.126 
Size 0.122 0.094 −6.855 5.739 −0.061 0.116 −9.797 9.228 −0.073 0.158 
Age 0.047 0.083 −4.200 5.048 0.020 0.102 −0.358 8.116 0.060 0.139 
Edu −0.060 0.134 −17.069 . 8.146 −0.119 0.165 0.367 13.097 0.045 0.224 
Multiple R2 0.5937 0.522 0.1505 0.3267 0.1204 
pH
TDS
Turbidity
EC
DO
VariableEstimateS.EEstimateS.EEstimateS.EEstimateS.EEstimateS.E
Intercept 8.494*** 0.632 59.616 38.437 0.834 0.779 114.116. 61.796 4.221. 1.056 
OM1 −0.039 0.073 3.688 4.413 0.083 0.089 −6.412 7.094 −0.095 0.121 
OM2 0.302 0.236 14.496 14.333 −0.051 0.290 31.428 23.044 0.254 0.394 
OM3 −0.174 0.129 26.094** 7.835 0.030 0.159 13.788 12.597 0.141 0.215 
OM4 0.021 0.076 6.276 4.596 −0.024 0.093 6.001 7.390 0.095 0.126 
Size 0.122 0.094 −6.855 5.739 −0.061 0.116 −9.797 9.228 −0.073 0.158 
Age 0.047 0.083 −4.200 5.048 0.020 0.102 −0.358 8.116 0.060 0.139 
Edu −0.060 0.134 −17.069 . 8.146 −0.119 0.165 0.367 13.097 0.045 0.224 
Multiple R2 0.5937 0.522 0.1505 0.3267 0.1204 

Note: S.E: Significant effect; *** Significant at all level; ** Significant at 0.1% level; * Significant at 1% level; . Significant at 5% level.

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