TABLE 2.
Demographic and cognitive data of the normative sample.
| N | 335 | |
| Age (years) | 48.42 ± 18.84 (18–96) | |
| Sex (M/F) | 140/195 | |
| Education (years) | 13.42 ± 3.78 (4–23) | |
| N for Italian regions | North Italy | (81.7%) |
| Center Italy | (4.7%) | |
| South Italy | (13.6%) | |
| N for occupation | Predominantly manual | 75 (22.4%) |
| Manual/clerical | 78 (23.3%) | |
| Predominantly clerical | 163 (48.7%) | |
| Itel-MMSE (N = 252) | 21.58 ± 0.82 (17–22) | |
| BDS-WM (N = 266) | 4.78 ± 1.22 (0–6) | |
| BDS-T (N = 266) | 4.97 ± 1.98 (0–8) | |
| t-VFB (N = 335) | t-PVF-A | 13.1 ± 4.83 (2–28) |
| t-PVF-F | 14.98 ± 4.9 (3–30) | |
| t-PVF-S | 14.52 ± 5.08 (2–34) | |
| t-PVF (total) | 42.6 ± 13.48 (13–85) | |
| t-SVF-Colors | 15.74 ± 3.99 (2–34) | |
| t-SVF-Animals | 22.9 ± 6.94 (0–43) | |
| t-SVF-Fruits | 16.88 ± 4.49 (0–31) | |
| t-SVF (total) | 55.52 ± 13.12 (3–84) | |
| t-AVF-A/Colors | 13.62 ± 5.1 (2–26) | |
| t-AVF-F/Animals | 14.13 ± 5.12 (0–28) | |
| t-AVF-S/Fruits | 14.39 ± 4.93 (0–28) | |
| t-AVF (total) | 42.11 ± 13.66 (4–74) | |
| t-CSI | 0.86 ± 0.21 (0.1–2.22) | |
N, number of participants; M, male; F, female; Itel-MMSE, Italian telephone-based Mini-Mental State Examination; BDS-WM, backward digit span working memory; BDS-t, backward digit span total; t-VFB, telephone-based Verbal Fluency Battery; t-PVF, telephone-based phonemic verbal fluency; t-SVF, telephone-based semantic verbal fluency; t-AVF, telephone-based alternate verbal fluency; t-CSI, telephone-based Cognitive Shifting Index.