1.
a)In Table 1.1, first row, fourth column, the number 4.02 appears. Describe this number.
b)In Table 1.1, first row, fifth column, the number 3.62 appears. Describe this number.
c)In the first row, sixth column of Table 1.1, what does the number 0.39 represent?
d) Does this table contain evidence that health insurance causes people to be healthier? Why or why not?
e) Below the numbers mentioned in questions 1 and 2 above are the numbers 0.92 and 1.01, which appear in square brackets [ ] . What do these numbers measure? (Hint: Read the notes at the bottom of the table)
f) Below the number mentioned in question 3 above, 0.04 appears in parentheses. What does this number measure?
Table 1.1
Health and demographic characteristics of insured and uninsured
couples in the NHIS
| Husband | Wives | |||||
|
Some HI (1) |
No HI (2) |
Difference (3) |
Some HI (4) |
No HI (5) |
Difference (6) |
|
| A. Health | ||||||
| Health index |
4.01 [0.93] |
3.70 [1.01] |
0.31 [0.03] |
4.02 [0.92] |
3.62 [1.01] |
0.39 [0.04] |
| B. Characteristic | ||||||
| Nonwhite | 0.16 | 0.17 |
-0.01 (0.01) |
0.15 | 0.17 |
-0.02 (0.01) |
| Age | 43.98 | 41.26 |
2.71 (0.29) |
42.24 | 39.62 |
2.62 (0.30) |
| Education | 14.31 | 11.56 |
2.74 (0.10) |
14.44 | 11.80 |
2.64 (0.11) |
| Family size | 3.50 | 3.98 |
-0.47 (0.05) |
3.49 | 3.93 |
-0.43 (0.05) |
|
Employed |
0.92 | 0.85 |
0.07 (0.01) |
0.77 | 0.56 |
0.21 (0.02) |
| Family income | 106,467 | 45,656 |
60,810 (1,355) |
106,212 | 46,385 |
59,828 (1,406) |
| Sample size | 8,114 | 1,281 | 8,264 | 1,131 |
Notes: This table reports average characteristics for insured and uninsured married couples in the 2009 National Health Interview Survey (NHIS). Columns (1), (2), (4), and (5) show average characteristics of the group of individuals specified by the column heading. Columns (3) and (6) report the difference between the average characteristic for individuals with and without health insurance (HI). Standard deviations are in brackets; standard errors are reported in parentheses.
The row of given table compares the health index of insured and uninsured couples with statistics tabulated separately for husband and wife. Those with health insured are indeed healthier than those without insurance, a gap of about 0.3 in the index for men and 0.4 for women. These are large differences when measured against the standard deviations fo health index, which is about 0.1 (SD given in brackets), measures the variability in data.
A) In the table, number 4.02 gives health index of women with health insurance
B) In the table, number 3.62 gives health index of women without health insurance.
c) In the table, number 0.39 gives the difference in health index of women with and without health insurance.
d) Ye, it gives evidence, as people with insurance, are more educated, has a better age, low family size, greater family income and so on. And all these factors contribute to a better and healthier life. As a result, people with life insurance have better health index.
e) and g) The numbers given in brackets measure variability in data from their mean value. It suggests how scattered the data is. More the SD, more the scattered data, i.e. more away it is from its mean.
1. a)In Table 1.1, first row, fourth column, the number 4.02 appears. Describe this number. b)In...