| Variables | Zero Variation n (in %) | Increase n (in %) | Decrease n (in %) |
| FS | 66 (29.5) | 111 (49.6) | 47 (20.9) |
| FAS | 59 (26.3) | 25 (11.1) | 140 (62.5) |
| SAM-P | 110 (49.1) | 67 (29.9) | 47 (20.9) |
| SAM-A | 90 (40.2) | 26 (11.6) | 108 (48.2) |