| Problem | All data mean, SD, rank | Air pollution exposure level | High mean, SD, rank | Medium mean, SD, rank | Low mean, SD, rank |
| Unemployment | 3.89, 1.113, 1 | 3.57, 1.131, 2 | 4.08, 1.056, 1 | 4.13, .924, 1 | Crime | 3.84, 1.084, 2 | 3.44, 1.172, 3 | 3.95, 1.059, 2 | 4.07, .831, 2 | Obesity | 3.73, 1.132, 3 | 3.36, 1.137, 4 | 3.78, 1.136, 3 | 3.98, 1.0, 3 | Air pollution | 3.55, 1.089, 4 | 3.63, 1.173, 1 | 3.56, 1.082, 4 | 3.71, .875, 4 | Infectious diseases | 3.01, 1.145, 5 | 2.88, 1.061, 6 | 3.03, 1.174, 5 | 3.05, 1.094, 6 | Car accidents | 2.98, 1.113, 6 | 2.91, 1.057, 5 | 2.93, 1.117, 6 | 3.23, 1.111, 5 | Forest fires | 2.55, 1.358, 7 | 2.70, 1.266, 7 | 2.43, 1.338, 7 | 2.53, 1.429, 7 |
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