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Table 4 Estimated regression coefficient of the most effective variables of the logit model

From: Estimation of conservation value of myrtle (Myrtus communis) using a contingent valuation method: a case study in a Dooreh forest area, Lorestan Province, Iran

Variable Estimated coefficient Standard deviation t-value p value Elasticity Marginal effect
Constant coefficient 1.97 1.097 1.796 0.073 0.881
Educationa 0.049 0.024 2.031 0.042 0.284 0.121 × 10−1
Household sizeb −0.581 0.081 −7.159 0 −1.26 −0.144
Monthly incomeb (in thousand Rials) 0.0027 0.0003 8.998 0 1.732 0.665 × 10−3
BID (Rials) −0.0018 0.0002 −9.122 0 −1.8 −0.456 × 10−3
  1. Likelihood ratio statistic  =  157.656, probability (LR statistic)  = 0, McFadden R-square =  0.234, Percentage of right predictions =  0.76, aStatistical significance at 5 % level. bStatistical significance at 1 % level