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Table 4 Neurobehavioral test scores by types of the computer

From: Effects of computer familiarity and computer type on the performance of Korean computerized neurobehavioral test

Neurobehavioral tests Types of the computer F or χ 2* p-value*
Type I Type II Type III
Simple Reaction time (msec)
 Mean reaction time 414.9 (53.5)ab 393.4 (51.1)ac 334.3 (34.3)bc 65.181 < 0.001
  Group I 412.4 (35.4)a 374.8 (40.6) 349.3 (31.8)a 6.184 0.008
  Group II 417.2 (64.6)a 394.1 (55.7)b 336.1 (39.1)ab 20.240 < 0.001
  Group III 413.6 (46.9)a 396.5 (49.3)b 330.0 (30.3)ab 43.288 < 0.001
 SD of mean reaction time 55.9 (21.8) 50.6 (17.9) 51.9 (20.8) 1.541 0.216
  Group I 55.8 (16.1) 54.1 (18.3) 62.8 (23.6) 0.439 0.650
  Group II 57.7 (25.9) 48.2 (18.8) 48.8 (19.7) 2.047 0.135
  Group III 54.4 (19.3) 51.9 (17.3) 52.3 (20.9) 0.202 0.817
Choice Reaction Time (msec)
 Mean reaction time 645.7 (108.3)ab 612.5 (88.9)ac 544.5 (84.9)bc 24.686 < 0.001
  Group I 710.5 (84.2) 695.6 (108.1) 652.4 (55.3) 1.002 0.384
  Group II 663.8 (119.7)a 624.7 (88.6)b 561.3 (93.5)ab 8.559 < 0.001
  Group III 619.2 (96.2)a 587.1 (74.5)b 510.8 (58.5)ab 21.436 < 0.001
 SD of mean reaction time 98.6 (37.4) 95.3 (36.3) 86.6 (34.4) 2.436 0.090
  Group I 122.8 (35.9) 137.4 (28.5) 139.3 (33.9) 0.603 0.556
  Group II 101.9 (40.4) 91.8 (38.6) 84.7 (28.6) 1.874 0.159
  Group III 91.4 (33.7) 90.0 (30.8) 78.1 (30.4) 2.244 0.110
 Number of error 0.8 (1.7) 0.3 (0.7) 0.4 (0.6) 3.297 0.192
  Group I 0.8 (0.7) 0.6 (0.9) 0.1 (0.4) 3.757 0.153
  Group II 0.5 (1.0) 0.2 (0.7) 0.3 (0.5) 1.294 0.524
  Group III 1.0 (2.3) 0.3 (0.6) 0.5 (0.6) 2.493 0.287
Addition (msec)
 Mean reaction time 2520.0 (516.7) 2386.5 (516.6) 2368.8 (443.4) 2.329 0.100
  Group I 2915.0 (705.7) 2807.0 (784.4) 2720.5 (673.5) 0.145 0.866
  Group II 2593.2 (424.8) 2468.4 (506.0) 2462.3 (438.7) 0.858 0.427
  Group III 2387.3 (505.2) 2242.1 (409.5) 2228.3 (337.8) 1.820 0.166
 SD of mean reaction time 651.4 (262.5) 575.4 (243.0) 606.9 (246.7) 1.924 0.148
  Group I 636.9 (253.7) 526.3 (190.6) 561.6 (249.4) 0.470 0.631
  Group II 692.6 (262.7) 598.5 (245.6) 616.7 (270.2) 1.219 0.300
  Group III 621.7 (265.7) 566.5 (252.7) 607.8 (231.6) 0.552 0.577
 Number of error 2.4 (2.3) 2.3 (2.3) 2.7 (2.4) 1.026 0.599
  Group I 4.4 (3.5) 4.4 (2.5) 4.5 (2.3) 0.188 0.910
  Group II 2.2 (2.2) 2.1 (1.7) 2.1 (2.0) 0.103 0.950
  Group III 2.1 (2.0) 2.1 (2.4) 2.8 (2.5) 2.391 0.303
  1. The value are expressed as mean (standard deviation). SD standard deviation. *calculated by one way ANOVA or Kruskal Wallis test, same letters such as a, b and c in same row indicate differences at the 5 % significance level by post hoc test of Bonferroni F