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Table 6 SUR regressions of log annual hours of work on measures of relative attractiveness in the household and in the population

From: Fat spouses and hours of work: are body and Pareto weights correlated?

  With weights   Without weights  
  Log (Husband’s Hours) Log (Wife’s Hours) Log (Husband’s Hours) Log (Wife’s Hours)
Coefficients on measures of relative attractiveness     
s=wife’s BMI/husband’s BMI −0.072 0.081 −0.072 0.077
  (0.027)*** (0.039)** (0.026)*** (0.038)**
    [0.027]*** [0.047]
s μ =average wife’s BMI/average −0.014 0.290 −0.010 0.321
husband’s BMI (0.151) (0.219) (0.153) (0.218)
    [0.169] [0.257]
s σ = SD of wife’s BMI/SD of 0.094 −0.108 0.080 −0.097
husband’s BMI (0.027)*** (0.038)*** (0.026)*** (0.038)**
    [0.030]*** [0.052]*
Collective model proportionality constraint     
Within columns: Ratio of coefficients −0.768 −0.751 −0.905 −0.788
on s and s σ (0.356)** (0.446)* (0.447)** (0.493)
    [0.513]* [0.663]
Wald Test of equality of ratios χ2(1)=0.00   x2(1)=0.03  
  pvalue=0.9773   pvalue=0.8642  
Based on bootstrapped standard --   χ2(1)=0.02  
errors    pvalue=0.9004  
Across columns: Product of 0.008 0.008 0.007 0.006
coefficients on s and s σ (0.004)* (0.004)* (0.004)* (0.004)*
    [0.005] [0.005]
Wald Test of equality of products χ2(1)=0.00   χ2(1)=0.03  
  pvalue=0.9773   pvalue=0.8653  
Based on bootstrapped standard --   χ2(1)=0.02  
errors    pvalue=0.9017  
N 2,025   2,025  
  1. Note: All regressions include year and region fixed effects, log wage, food ratio, demographic (age, completed years of education, a good health status indicator, household non-labor income, number of children, and a recent pregnancy indicator) and spousal characteristics (age, completed years of education, a good health status indicator, and log wage). In addition, husband’s (wife’s) regression includes a husband’s (wife’s) sedentary-job type indicator. Conventional distribution factors: spouses’ wage ratio, their age ratio, and their years of education ratio. Standard errors are reported in parentheses. Bootstrapped standard errors clustered at the age-education-region level (136 groups) based on 300 replications are reported in brackets.
  2. *** p-value< 0.01, ** p-value< 0.05, * p-value< 0.1.