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Table 10

Correlation between factors investigated to acceptability of filters among users in the study areas

S. no.Factors/variablesPearson's correlation
Corr. coeff. valueP-value
Influence of filter design on its acceptability among users 0.491b 0.000 
Influence of perception of meeting water treatment needs (efficiency) on acceptability of filters 0.403b 0.000 
Influence of likeness of filter material (signifying strength and durability) on acceptability of filters 0.408b 0.000 
Influence of operational simplicity of filters on its acceptability 0.424b 0.001 
Influence of acceptability on the price/willingness to pay for the filters 0.711b 0.000 
Influence of likeness (preference) of filter design on the price/willingness to pay 0.550b 0.000 
Influence of perceived efficiency (meeting household treatment demands) of filters on the willingness to pay 0.547b 0.000 
Filter size (preference) and perception of meeting household demand in terms of volume 0.904b 0.000 
Influence of monthly income on the price users are willing to buy Mateng filters 0.714b 0.000 
10 Influence of monthly income on the price users are willing to buy Atamora filters 0.754b 0.000 
11 Influence of monthly income on the price users are willing to buy biosand filters 0.362a 0.030 
12 Influence of time/distance from water source on users’ willingness to buy Mateng filters 0.241 0.156 
13 Influence of time/distance from water source on users’ willingness to buy Atamora filters 0.485b 0.003 
14 Influence of time/distance from water source on users’ willingness to buy biosand filters 0.095 0.582 
S. no.Factors/variablesPearson's correlation
Corr. coeff. valueP-value
Influence of filter design on its acceptability among users 0.491b 0.000 
Influence of perception of meeting water treatment needs (efficiency) on acceptability of filters 0.403b 0.000 
Influence of likeness of filter material (signifying strength and durability) on acceptability of filters 0.408b 0.000 
Influence of operational simplicity of filters on its acceptability 0.424b 0.001 
Influence of acceptability on the price/willingness to pay for the filters 0.711b 0.000 
Influence of likeness (preference) of filter design on the price/willingness to pay 0.550b 0.000 
Influence of perceived efficiency (meeting household treatment demands) of filters on the willingness to pay 0.547b 0.000 
Filter size (preference) and perception of meeting household demand in terms of volume 0.904b 0.000 
Influence of monthly income on the price users are willing to buy Mateng filters 0.714b 0.000 
10 Influence of monthly income on the price users are willing to buy Atamora filters 0.754b 0.000 
11 Influence of monthly income on the price users are willing to buy biosand filters 0.362a 0.030 
12 Influence of time/distance from water source on users’ willingness to buy Mateng filters 0.241 0.156 
13 Influence of time/distance from water source on users’ willingness to buy Atamora filters 0.485b 0.003 
14 Influence of time/distance from water source on users’ willingness to buy biosand filters 0.095 0.582 

aCorrelation is significant at the 0.05 level.

bCorrelation is significant at the 0.01 level (2-tailed).

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