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. Author manuscript; available in PMC: 2018 Jan 24.
Published in final edited form as: Food Policy. 2017 Aug 8;71:86–100. doi: 10.1016/j.foodpol.2017.08.001

Table A4.

QUAIDS model estimation

Coefficient Standard error Z-score P-value 95% Confidence Interval
alpha1 0.156917 0.009675 16.22 0 0.137955 0.17588
alpha2 0.054637 0.005108 10.7 0 0.044626 0.064649
alpha3 0.077819 0.031662 2.46 0.014 0.015763 0.139874
alpha4 0.20226 0.020077 10.07 0 0.162909 0.241611
alpha5 0.310397 0.034944 8.88 0 0.241907 0.378886
alpha6 0.098389 0.007818 12.58 0 0.083065 0.113712
alpha7 0.04446 0.00598 7.44 0 0.03274 0.05618
alpha8 0.022467 0.004128 5.44 0 0.014377 0.030558
beta1 0.010198 0.003076 3.32 0.001 0.004169 0.016227
beta2 0.003222 0.000956 3.37 0.001 0.001349 0.005095
beta3 0.063902 0.00385 16.6 0 0.056356 0.071448
beta4 0.021873 0.003192 6.85 0 0.015617 0.02813
beta5 −0.10053 0.003349 −30.02 0 −0.1071 −0.09397
beta6 0.000853 0.002608 0.33 0.744 −0.00426 0.005965
beta7 −0.00136 0.000569 −2.4 0.017 −0.00248 −0.00025
beta8 0.001152 0.001061 1.09 0.278 −0.00093 0.003233
gamma11 0.029236 0.00228 12.82 0 0.024768 0.033705
gamma12 0.002928 0.00073 4.01 0 0.001497 0.004358
gamma13 −0.02397 0.00255 −9.4 0 −0.02897 −0.01897
gamma14 0.004318 0.001929 2.24 0.025 0.000537 0.008098
gamma15 −0.01712 0.002226 −7.69 0 −0.02148 −0.01275
gamma16 0.009283 0.001575 5.89 0 0.006196 0.01237
gamma17 −0.0001 0.000419 −0.24 0.807 −0.00092 0.000719
gamma18 0.000172 0.000689 0.25 0.803 −0.00118 0.001522
gamma22 −0.0147 0.001963 −7.49 0 −0.01855 −0.01085
gamma23 −0.00029 0.001502 −0.19 0.847 −0.00323 0.002653
gamma24 0.00224 0.001009 2.22 0.026 0.000262 0.004218
gamma25 0.004875 0.001409 3.46 0.001 0.002113 0.007637
gamma26 −0.00294 0.000999 −2.94 0.003 −0.00489 −0.00098
gamma27 0.001458 0.000981 1.49 0.137 −0.00046 0.003381
gamma28 0.002006 0.000434 4.62 0 0.001155 0.002856
gamma33 0.005659 0.006337 0.89 0.372 −0.00676 0.018079
gamma34 0.027318 0.003308 8.26 0 0.020835 0.033801
gamma35 0.002082 0.004488 0.46 0.643 −0.00671 0.010879
gamma36 −0.01942 0.0028 −6.93 0 −0.0249 −0.01393
gamma37 −0.00252 0.000949 −2.66 0.008 −0.00438 −0.00066
gamma38 0.002763 0.001181 2.34 0.019 0.000449 0.005077
gamma44 −0.00919 0.00377 −2.44 0.015 −0.01658 −0.0018
gamma45 −0.03259 0.003178 −10.26 0 −0.03882 −0.02636
gamma46 0.003985 0.00213 1.87 0.061 −0.00019 0.008159
gamma47 0.000131 0.000626 0.21 0.834 −0.0011 0.001358
gamma48 0.004236 0.000901 4.7 0 0.00247 0.006002
gamma55 0.024921 0.005384 4.63 0 0.014368 0.035474
gamma56 0.004628 0.002561 1.81 0.071 −0.00039 0.009648
gamma57 0.003127 0.000898 3.48 0 0.001368 0.004886
gamma58 −0.0096 0.0011 −8.72 0 −0.01175 −0.00744
gamma66 −0.0079 0.002774 −2.85 0.004 −0.01334 −0.00246
gamma67 0.000934 0.000635 1.47 0.141 −0.00031 0.002178
gamma68 0.006444 0.000804 8.02 0 0.004868 0.00802
gamma77 −0.00285 0.001317 −2.17 0.03 −0.00543 −0.00027
gamma78 −0.00032 0.000274 −1.16 0.247 −0.00086 0.00022
gamma88 −0.00827 0.000559 −14.8 0 −0.00936 −0.00718
lambda1 0.002854 0.001164 2.45 0.014 0.000572 0.005136
lambda2 0.002306 0.000354 6.52 0 0.001613 0.003
lambda3 −0.00381 0.001438 −2.65 0.008 −0.00663 −0.00099
lambda4 −0.00164 0.001207 −1.36 0.174 −0.00401 0.000723
lambda5 −0.01069 0.001208 −8.85 0 −0.01306 −0.00832
lambda6 0.010927 0.000907 12.05 0 0.00915 0.012705
lambda7 −0.00081 0.000216 −3.74 0 −0.00123 −0.00039
lambda8 0.002153 0.000393 5.48 0 0.001383 0.002923
delta1 0.080933 0.028034 2.89 0.004 0.025987 0.135878
delta2 −0.00886 0.005619 −1.58 0.115 −0.01987 0.002151
delta3 1.384618 0.103564 13.37 0 1.181636 1.587601
delta4 0.133869 0.065418 2.05 0.041 0.005651 0.262086
delta5 −0.67972 0.118286 −5.75 0 −0.91155 −0.44788
delta6 0.032428 0.014808 2.19 0.029 0.003405 0.061452
delta7 −0.05752 0.004943 −11.64 0 −0.06721 −0.04784
delta8 −0.01792 0.006013 −2.98 0.003 −0.02971 −0.00613

Note: parameters for sociodemographic controls (Z) not presented.