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. 2022 Nov 6;12(21):3051. doi: 10.3390/ani12213051

Table 6.

Estimates of consumers’ willingness to pay by six groups.

Fermented Feed 100% More Space 100% More Space and Outdoor Access Optimal Care Recreational Environment
Lower income, lower education
Income = 6000 CNY, education = 9 years
Age = 22.379 2.906 −3.202 2.053 0.144 1.112
[−2.419, 8.230] [−7.772, 1.369] [−2.896, 7.003] [−3.971, 4.259] [−4.205, 6.430]
Age = 32.250 6.677 * −1.122 7.276 13.715 *** 2.375
[−0.686, 14.040] [−14.066, 11.823] [−4.772, 19,325] [4.447, 22.984] [−6.085, 10.836]
Age = 45.216 2.743 6.909 * 19.335 *** 10.391 *** −1.503
[−3.832, 9.318] [−0.975, 14.792] [9.510, 29.161] [3.430, 17.351] [−8.438, 5.433]
Higher income, higher education
Income = 24,000 CNY, education = 16 years
Age = 22.379 6.204 *** −0.056 5.541 *** 6.454 *** 1.889
[3.643, 8.764] [−2.971, 2.860] [2.498, 8.584] [3.636, 9.272] [−0.715, 4.493]
Age = 32.250 7.730 *** 2.175 11.792 *** 7.240 *** 1.35
[4.052, 10.408] [−1.387, 5.737] [7.815, 15.769] [4.355, 10.125] [−1.668, 4.367]
Age = 45.216 11.780 *** 7.499 ** 20.002 *** 11.671 *** 6.801 **
[6.465, 17.095] [1.261, 13.737] [11.671, 28.333] [5.565, 17.777] [0.553, 13.049]

***, **, and * indicate statistical significance at the 1%, 5%, and 10% levels, respectively. The numbers in brackets are 95% confidence intervals.