Table 3.
Treatment Effects Model: Health Status Equations (Second Stage Estimates)
| Model 1 | Model 2 | |||
|---|---|---|---|---|
| Variable | Coefficient | SE | Coefficient | SE |
| Age | −.046 | (.042) | −.076 | (.044) |
| Black | −.390 | (.504) | −.373 | (.510) |
| Hispanic | .603 | (.691) | 1.49 | (.719)* |
| Female | −1.514 | (.377)*** | −1.502 | (.381)*** |
| Married | .918 | (.468)** | .702 | (.470) |
| Education—9–11 years | 1.311 | (.710)* | .411 | (.737) |
| Education—high school/GED | 3.379 | (.658)*** | 2.244 | (.850)*** |
| Education—college | 4.623 | (.682)*** | 3.427 | (.871)*** |
| Income–needs ratio—1.00–1.49 | .989 | (1.074) | .115 | (1.158) |
| Income–needs ratio—1.50–1.99 | 9.047 | (1.027) | .701 | (1.010) |
| Income–needs ratio—2.00–2.99 | .887 | (1.026) | .840 | (1.054) |
| Income–needs ratio—3.00–4.99 | 2.025 | (.860)** | 1.571 | (1.092) |
| Income–needs ratio—>or=5.00 | 2.336 | (.862)*** | 1.801 | (1.121) |
| Past smoker | −.954 | (.403)** | −1.033 | (.410)** |
| Current smoker | −3.293 | (.447)*** | −1.034 | (.450)*** |
| Alcohol abstainer | −.389 | (.372) | −.408 | (.376) |
| Alcohol—heavy drinker | −1.560 | (.807)* | −1.484 | (.819)* |
| Body mass index—2 | −1.227 | (.538)** | −1.290 | (.546)** |
| Body mass index—3 | −2.339 | (.550)*** | −2.296 | (.557)*** |
| Body mass index—4 | −2.339 | (.550)*** | −2.367 | (.550)*** |
| Body mass index—5 | −5.142 | (.566)*** | −5.170 | (.574)*** |
| Health index 1992 | 0.656 | (.008)*** | .652 | (.008)*** |
| Insurance status | 7.629 | (2.678)*** | 8.828 | (1.550)*** |
| Constant | 23.662 | (3.004)*** | 27.222 | (2.805)*** |
| ρ | −0.220 | −0.257 | ||
| σɛ | 16.104 | 16.126 | ||
| σtɛ | −3.537 | −4.138 | ||
| Wald (χ2) | 8,434.88 | 9,971.60 | ||
| N | 9,034 | 9,034 | ||
Notes: Standard error in parentheses.
*
≥90%, <95% significance.
**
≥95%, <99% significance.
***
≥99% significance.