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. 2017 Apr 24;97(1):271–280. doi: 10.4269/ajtmh.16-0820

Table 3.

Regression results: impact of price and visits on chlorine purchases

Dependent variable Bottles purchased per month
At least once At least twice
(1) (2) (3) (4) (5) (6) (7)
Price −0.0101 −0.0101 −0.0103 −0.0102 −0.0118 −0.0140
(0.0011)*** (0.0011)*** (0.0011)*** (0.0021)*** (0.0016)*** (0.0016)***
Visit 0.0580 0.0581 0.0508 0.0522 0.0505 0.0697
(0.0163)*** (0.0159)*** (0.0185)*** (0.0292) (0.0262)* (0.0258)***
Midprice × visits 0.0191 0.0127 0.0458 0.0295
(0.0236) (0.0149) (0.0338) (0.0332)
Constant 0.4788 0.2978 0.4498 0.4527 0.4513 0.7428 0.5476
(0.0196)*** (0.0113)*** (0.0209)*** (0.0209)*** (0.0326)*** (0.0295)*** (0.0289)***
R2 0.043 0.007 0.050 0.050 0.084 0.033 0.047
N 1,798 1,798 1,798 1,798 1,798 1,798 1,798
SER 0.339 0.345 0.338 0.338 0.250 0.482 0.474
Sales agent fixed effects? No No No No Yes No No
*

P < 0.1; ** P < 0.05; *** P < 0.01; heteroskedasticity-robust standard errors in parentheses.