Table 1 Demographical and performance data of the discovery sample
Characteristic | Rural group (Mean, SD) | Urban group (Mean, SD) | F/χ2 | P |
|---|---|---|---|---|
Age, years | 25.8 (3.55) | 24.5 (4.03) | 3.244 | 0.001** |
Age range | 18–40 | 18–43 | - | - |
Sex, M/F, No. | 100:90 | 103:117 | 1.378 a | 0.240 |
Sex, M% | 52.6% | 46.8% | - | - |
Education, years | 17.03 (2.56) | 16.67 (2.33) | 1.504 | 0.838 |
Encoding neutral performance | ||||
Accuracy, % correct | 97.41 (3.41) | 97.31 (4.78) | 0.063 | 0.802 |
RT, ms | 855.73 (136.14) | 813.74 (146.27) | 7.277 | 0.007** |
Encoding aversive performance | ||||
Accuracy, % correct | 90.17 (7.21) | 92.16 (7.72) | 7.552 | 0.006** |
RT, ms | 1027.07 (180.52) | 1001.70 (183.71) | 1.172 | 0.280 |
Retrieval neutral performance | ||||
Accuracy, % correct | 85.37 (8.16) | 84.98 (8.12) | 0.814 | 0.367 |
RT, ms | 1070.72 (149.68) | 1065.71 (159.85) | 0.001 | 0.979 |
d prime | 2.44 (0.73) | 2.40 (0.71) | 0.922 | 0.337 |
Retrieval aversive performance | ||||
Accuracy, % correct | 90.46 (6.74) | 92.00 (6.84) | 4.909 | 0.027* |
RT, ms | 1110.21 (160.40) | 1089.07 (167.14) | 0.796 | 0.373 |
d prime | 2.93 (0.72) | 3.10 (0.71) | 5.303 | 0.020* |