|Table 4: Minimum wealth levels that would induce preference for self-insurance by age (, , high earnings).|
* Median savings rates for 5-year age groups as reported in Emery , using the 1917–1919 US data, including zero surpluses with mortgage expenses. The median savings rate for those aged 20–24 (25–29) was used for the individual with 5 (10) years of work experience, and so forth.|
**Average of previous 5 years labour income times the median savings rate for 5-year age groups.
***Wealth levels considered are in the range from 0 to $6,000. Self-insurance was not preferred to the given insurance plan at any wealth level in this range.