| Original PISa | Revised PIS | Original PIS | Revised PIS |
---|---|---|---|---|
Sex | 19 m/43 f | 23 m/38 f | 18 m/37 f | 23 m/38 f |
Age | Mean 63.9 years (IQRb 58-65) | Mean 65.7 years (IQR 62-68) | Mean 64.1 years (IQR 58-66) | Mean 65.7 years (IQR 62-68) |
Highest educational attainment (1 = completed by 16; 2 = by 18 or equivalent; 3 = graduate) | 1 = 31 2 = 18 3 = 3 | 1 = 31 2 = 13 3 = 17 | 1 = 26 2 = 17 3 = 12 | 1 = 31 2 = 13 3 = 17 |
 | n = 62 | n = 61 | n = 55 | n = 61 |