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Table 3 Cross-equation correlation matrix for error components for role-related activities, by men and women and across countries

From: Determinants and impact of role-related time use allocation on self-reported health among married men and women: a cross-national comparative study

  Women Men
Paid Work House Work Childcare Breusch-Pagan test of independence Paid Work House Work Childcare Breusch-Pagan test of independence
Germany Paid Work 1.000    chi2(3) = 1201.433, Pr = 0.0000 1.000    chi2(3) = 1594.540, Pr = 0.0000
House Work −0.422 1.000   −0.472 1.000  
Childcare −0.125 0.033 1.000 −0.153 0.034 1.000
Italy Paid Work 1.000    chi2(3) = 1116.074, Pr = 0.0000 1.000    chi2(3) = 1522.582, Pr = 0.0000
House Work −0.480 1.000   −0.424 1.000  
Childcare −0.154 0.006 1.000 −0.176 0.062 1.000
Spain Paid Work 1.000    chi2(3) = 1082.527, Pr = 0.0000 1.000    chi2(3) = 1818.942, Pr = 0.0000
House Work −0.466 1.000   − 0.453 1.000  
Childcare −0.155 − 0.001 1.000 −0.179 0.069 1.000
UK Paid Work 1.000    chi2(3) = 1010.481, Pr = 0.0000 1.000    chi2(3) = 1134.302, Pr = 0.0000
House Work − 0.505 1.000   − 0.539 1.000  
Childcare −0.139 0.004 1.000 −0.175 0.055 1.000
US Paid Work 1.000    chi2(3) = 1945.878, Pr = 0.0000 1.000    chi2(3) = 2140.720, Pr = 0.0000
House Work −0.564 1.000   −0.548 1.000  
Childcare −0.122 −0.015 1.000 −0.177 −0.006 1.000
  1. The Breusch-Pagan test of independence indicates that the residuals across all role-related activities is dependent, and this signals that the SUR models were the most efficient means of estimating the current models