APPENDIX TABLE 3.
OLS REGRESSIONS: CORRELATES BETWEEN ESTIMATED MALARIA RISK AND REPORTED MALARIA MORTALITY IN 1880, 1890, AND 1920 (dependent variable: In(malaria mortality per 1,000 population))
| 1880 | 1890 | 1920 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| (mean = −1.2049) |
(mean = −1.2967) |
(mean = −3.1264) |
|||||||||
| (1) |
(2) |
(3) |
(4) |
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| County Characteristics | Mean | Estimate | t-value | Estimate | t-value | Mean | Estimate | t-value | Mean | Estimate | t-value |
| Estimated malaria risk | 0.2861 | 6.918 | 23.67 | 6.245 | 16.12 | 0.2744 | 2.4939 | 8.15 | 0.2744 | 0.8596 | 3.14 |
| Value of all farm output per capita | 60.25 | −0.0046 | −3.42 | 52.72 | −0.009 | −8.19 | 14.22 | −0.0003 | −0.14 | ||
| Value of manufacturing output per capita | 39.11 | −0.0027 | −4.03 | 50.04 | −0.0026 | −7.31 | 0.22 | −1.3452 | −17.04 | ||
| Proportion of white populations | 0.8579 | −0.1399 | −0.72 | 0.8683 | −1.8892 | −12.35 | 0.8863 | −3.0024 | −17.52 | ||
| Constant term | −3.1845 | −35.46 | −2.4895 | −9.43 | 0.1488 | 0.69 | −0.4191 | −2.02 | |||
| F (p-value) | 560.50 (0.0000) | 149.88 (0.0000) | 190.64 (0.0000) | 270.21 (0.0000) | |||||||
| Adjusted R2 | 0.3906 | 0.4055 | 0.4311 | 0.4788 | |||||||
| n | 874 | 874 | 1,002 | 1,173 | |||||||
Note: For 1920, I used the value of all farm property as a measure of value of all farm output, and the value of products of manufacturing establishments to obtain the value of manufacturing output per capita.