Variable coefficient standard deviation p-valuea male 0.4158 0.0612 0.001 Age2 0.1217 0.0898 0.176 Age3 -0.1489 0.0739 0.044 Age4 -0.3564 0.1301 0.006 Unempl -0.4271 0.1349 0.002 Single 0.0768 0.0653 0.239 Edu2 0.4330 0.0820 <0.001 Edu3 0.7735 0.0858 <0.001 Inc2 0.0309 0.0644 0.631 Inc3 0.1427 0.1759 0.417 Inc4 0.1766 0.2607 0.498 insurance 0.0290 0.0905 0.74 Supp. Insurance -0.0991 0.0668 0.138 Log likelihood -1384.74     Pseudo R2 0.0738     number of observation 1610     ap-value < 0.05 was considered statically significant

Table 3: Ordered probit maximum likelihood estimation results: dependent variable= Health stock.