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Health and Wealth WP 10/05

Appendix C

Asset and liability decompositions

This section contains the results from when the logarithm of total assets and the logarithm of total liabilities were run through core model one.

Appendix Table 14 – Assets regression
Dependent variable: Log total assets Coefficient Standard error P-values C.I. 95%
        Lower Upper
Age at end of sample period          
        Age -0.2787 0.0084 0.00 -0.2951 -0.2622
     Age 4.2165 0.1121 0.00 3.9968 4.4362
Annual personal income 5.90E-06 9.28E-07 0.00 4.08E-06 7.72E-06
Geographic region (Auckland is control)          
     Waikato 0.1220 0.0403 0.00 0.0431 0.2009
     Wellington -0.0176 0.0325 0.59 -0.0812 0.0460
     Rest of the North Island -0.0034 0.0314 0.91 -0.0650 0.0581
     Canterbury 0.0375 0.0329 0.25 -0.0269 0.1019
     Rest of the South Island 0.0352 0.0329 0.29 -0.0293 0.0996
Ethnicity (European is control)          
     Māori -0.3906 0.0439 0.00 -0.4766 -0.3045
     Pacific Island -0.9188 0.0746 0.00 -1.0651 -0.7725
     Asian -0.5631 0.0611 0.00 -0.6828 -0.4434
     Other -0.5181 0.0897 0.00 -0.6939 -0.3423
Highest qualification Achieved (no qualification is control)          
     School qualifications 0.3203 0.0328 0.00 0.2559 0.3846
     Vocational or higher 0.3904 0.0304 0.00 0.3308 0.4501
     University or higher 0.5130 0.0410 0.00 0.4327 0.5933
Housing tenure (renting or leasing is control)          
     Owned with a mortgage 0.9270 0.0323 0.00 0.8637 0.9904
      Owned without mortgage 1.0570 0.0359 0.00 0.9865 1.1274
      Neither owned nor renting 0.5682 0.0526 0.00 0.4650 0.6713
Deprivation (least deprived is control)          
     Less deprivation -0.0816 0.0284 0.00 -0.1373 -0.0259
     Median deprivation -0.1831 0.0306 0.00 -0.2430 -0.1231
     More deprivation -0.2517 0.0313 0.00 -0.3131 -0.1903
     Most deprived -0.6130 0.0387 0.00 -0.6890 -0.5371
Gender (female is control) -0.1024 0.0427 0.02 -0.1860 -0.0188
Partnered (non-partnered is control)          
     Partnered if male 0.4216 0.0404 0.00 0.3425 0.5008
     Partnered if female 0.3643 0.0324 0.00 0.3007 0.4278
Children in household (no children is control)          
     Children under 5 0.1879 0.0366 0.00 0.1162 0.2597
     Children over 5 -0.1206 0.0272 0.00 -0.1740 -0.0673
Constant -5.1165 0.3472 0.00 -5.7971 -4.4359
Regression characteristics          
            R-squared value   0.6103      
            Number of observations (Unweighted) 17,000      
  (Weighted) 2,799,000      

Source: SoFIE Waves 1–3, OSMs, longitudinal weights, supplied by Statistics New Zealand

Appendix Table 15 – Results of health measures on total assets
Dependent variable: Log total assets Coefficient Standard error P-values C.I. 95%
        Lower Upper
Physical discomfort (low discomfort is control)          
     Moderate discomfort -0.1111 0.0360 0.00 -0.1816 -0.0405
     High discomfort -0.1068 0.0452 0.02 -0.1953 -0.0183
Psychological distress (low distress is control)          
     Moderate distress -0.0649 0.0322 0.04 -0.1281 -0.0017
     High distress -0.3037 0.0509 0.00 -0.4035 -0.2039
Self-rated health (excellent health is control)          
     Very good health -0.0985 0.0234 0.00 -0.1444 -0.0526
     Good health -0.2742 0.0304 0.00 -0.3338 -0.2146
     Fair health -0.3994 0.0466 0.00 -0.4908 -0.3080
     Poor health -0.7145 0.1006 0.00 -0.9117 -0.5172
Chronic conditions (no condition is control)          
     Asthma -0.0416 0.0287 0.15 -0.0979 0.0147
     High blood pressure -0.0429 0.0260 0.10 -0.0938 0.0080
     High cholesterol -0.0614 0.0273 0.03 -0.1149 -0.0079
     Heart disease -0.1327 0.0413 0.00 -0.2137 -0.0517
     Diabetes -0.2045 0.0530 0.00 -0.3084 -0.1006
     Stroke -0.1496 0.0674 0.03 -0.2818 -0.0174
     Migraines -0.0461 0.0307 0.13 -0.1062 0.0140
     Depression or Schizophrenia -0.2340 0.0354 0.00 -0.3034 -0.1646

Source: SoFIE Waves 1–3, OSMs, longitudinal weights, supplied by Statistics New Zealand

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