β | Z | Trend Categories | Trend Features |
β > 0 | 2.58 < Z | 4 | Extremely Significant Increase |
1.96 < Z ≤ 2.58 | 3 | Significant Increase | |
1.65 < Z ≤ 1.96 | 2 | Slightly Significant Increase | |
Z ≤ 1.65 | 1 | Not Significant Increase | |
β = 0 | Z | 0 | No Change |
β < 0 | Z ≤ 1.65 | −1 | Not Significant Decrease |
1.65 < Z ≤ 1.96 | −2 | Slightly Significant Decrease | |
1.96 < Z ≤ 2.58 | −3 | Significant Decrease | |
2.58 < Z | −4 | Extremely Significant Decrease |