Table 6 Premium (WTP) for the iron bean variety in Guatemala (Ordinary least square model (OLS) results)

Information once

0.150 (0.115)

0.164 (0.116)

0.267^* (0.136)

Information repetition

0.081 (0.115)

0.067 (0.116)

0.105 (0.121)

Variety delivery order

−0.080 (0.098)

Men x information once

0.135 (0.190)

0.368 (0.238)

Men x Information repetition

0.174 (0.168)

0.384^* (0.222)

IRI x Information once

−0.130 (0.094)

−0.124 (0.098)

IRI x Information repetition

−0.091 (0.069)

−0.081 (0.073)

Education x Information once

0.001 (0.024)

−0.015 (0.026)

Education x Information repetition

−0.001 (0.025)

−0.018 (0.027)

Variety delivery order x information once

0.206 (0.145)

0.208 (0.152)

Variety delivery order x information repetition

0.009 (0.170)

0.007 (0.174)

Male

0.037 (0.107)

−0.243 (0.154)

Age

−0.009^** (0.004)

−0.009^** (0.004)

Area planted with beans in 2013

0.000^* (0.000)

0.000^* (0.000)

Produce bean frequently

0.024 (0.097)

0.007 (0.099)

Among of bean stored at home

0.004 (0.003)

0.004 (0.003)

Purchase bean frequently

0.275^*** (0.100)

Consume beans frequently

−0.016 (0.029)

−0.016 (0.030)

Poverty Index

0.312^* (0.173)

0.255 (0.175)

Food Frecuency Index

0.028 (0.019)

0.023 (0.020)

Monthly expenses

−0.000 (0.000)

−0.000 (0.000)

Have met any people in the community

0.010 (0.043)

0.003 (0.044)

Having heard about iron in food

−0.296^** (0.126)

−0.152 (0.125)

_cons

0.140^* (0.081)

0.179^* (0.094)

0.218^*** (0.069)

0.067 (0.278)

0.358 (0.279)

N

359

359

359

359

359

R²

0.005

0.007

0.018

0.063

0.067

R² Adj.

−0.001

−0.002

−0.004

0.028

0.019

Prob>F

0.425

0.498

0.592

0.040

0.239

Breusch-Pagan Cook-Weisberg test (Prob>chi2)

0.60

0.85

0.65

0.000

0.001

White test (Prob>chi2)

0.47

0.67

0.99

0.834

0.839

Test of Ramsey (Prob>F)

–

0.28

0.37

0.172

0.831