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Table 4 Linear, quadratic, and cubic estimations of WPDMI on FVS and HDDS

From: Women in household decision-making and implications for dietary quality in Bhutan

 FVSHDDS
VariablesLinearQuadraticCubicCubicQuadraticCubic
WPDMI− 0.783**− 0.853***− 1.538***− 0.296**− 0.318***− 0.423**
(0.349)(0.303)(0.587)(0.117)(0.104)(0.199)
WPDMI2 − 0.622***− 0.645*** − 0.191***− 0.195***
 (0.162)(0.159) (0.063)(0.063)
WPDMI3  0.165*  0.025
  (0.092)  (0.036)
Head age [years]− 0.031− 0.022− 0.023− 0.010− 0.007− 0.007
(0.025)(0.026)(0.026)(0.009)(0.009)(0.009)
Member with highest education [years]0.0700.0610.0590.0190.0160.016
(0.081)(0.077)(0.077)(0.029)(0.028)(0.028)
Household size0.4350.4620.4460.1270.1350.133
(0.311)(0.308)(0.311)(0.105)(0.106)(0.106)
Dependency ratio− 3.424*− 2.927*− 2.955*− 1.453**− 1.301*− 1.305*
(1.806)(1.740)(1.734)(0.708)(0.682)(0.684)
Farm size [log]− 0.535− 0.383− 0.390− 0.160− 0.113− 0.114
(0.436)(0.430)(0.434)(0.123)(0.124)(0.125)
Production diversity0.306*0.2580.2320.199***0.184***0.180***
(0.171)(0.164)(0.162)(0.058)(0.056)(0.057)
Distance to the nearest farm road [min]− 0.060**− 0.051**− 0.050**− 0.014− 0.011− 0.011
(0.024)(0.024)(0.023)(0.010)(0.009)(0.009)
Soil quality2.343***2.524***2.540***0.3450.401**0.403**
(0.570)(0.552)(0.552)(0.210)(0.199)(0.199)
Observations213213213213213213
Adjusted R squared0.2170.2500.2530.3640.3870.385
  1. Estimations include location dummies to control for Gewog level characteristics; robust standard errors in parentheses
  2. ***p < 0.01, **p < 0.05, *p < 0.1
  3. Source: Authors’ estimation