- R4p and R1p is rectangular 4-point hang and 1-point hang, respectively. The number of asterisks indicates the level of statistical significance where: *** is p-value < 0.00, ** is p-value < 0.05, * is p-value 0.10, and no asterisk means not statistically significant. The list of interviewer dummies is not shown to reduce the size of the table. The marginal effect for each region and price interactions were not estimable. However, we show results for each region in the table of stratified analysis
