Table 1 shows the degree of sustainability, which ranges from 0 (lowest degree of sustainability) to 1 (highest degree of sustainability).
SI evaluations (Aydin et al. 2014)
| SI range . | State . |
|---|---|
| 0–0.25 | Unacceptable |
| 0.25–0.5 | Moderate |
| 0.5–0.75 | Acceptable |
| 0.75–1 | Ideal |
| SI range . | State . |
|---|---|
| 0–0.25 | Unacceptable |
| 0.25–0.5 | Moderate |
| 0.5–0.75 | Acceptable |
| 0.75–1 | Ideal |