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. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: Schizophr Res. 2015 Mar 4;163(0):38–46. doi: 10.1016/j.schres.2015.01.017

Table 3.

Summary of effects in statistical analyses of secondary CPT variables

Diagnosis Age Sex Site Diagnosis X Site Diagnosis X Sex
F and p Direction F and p Direction F and p Direction F F and p Direction F and p Direction
DS-CPT
        In beta F1,2089=128.60
p<.001		 Decrease
with age		 F4,2089=11.72
p<.001		 F4,2089=2.64
p<.05		 Site 3:
Sz<HCS
Sites 4&5:
Sz>HCS
        Hit rate F1,2089=81.00
p<.001		 Sz<HCS F1,2089=9.79
p<.005		 Decrease
with age		 F4,2089=4.90
p<.001		 F4,2089=2.23
p<.07		 F1,2089=5.02
p<.05		 Sz: F<M
HCS: F>M
        False
alarm
rate 		F1,2089=45.82
p<.001		 Sz>HCS F1,2089=74.54
p<.001		 Increase
with age		 F4,2089=26.86
p<.001
        RT hits
(msec) 		F1,2089=161.74
p<.001		 Sz>HCS F1,2089=5.35
p<.05		 F>M F4,2089=3.17
p<.05		 F4,2089=3.17
p<.05		 Smaller at
site 5		 F1,2089=9.79
p<.005		 Sz: F>M
HCS: F=M
CPT-IP:
3-digit
        Hit rate F1,2168=406.62
p<.001		 Sz<HCS F1,2168=26.53
p<.001		 Decrease
with age		 F4,2168=5.51
p<.001		 F4,2168=2.77
p<.03		 Smaller at
site 5
        False
alarm
rate 		F1,2168=145.16
p<.001		 Sz>HCS F1,2168=7.02
p<.01		 Increase
with age		 F4,2168=9.59
p<.001		 F4,2168=2.21
p<.07		 Smaller at
site 5
        RT hits
(msec) 		F1,2167=210.02
p<.001		 Sz>HCS F1,2168=47.34
p<.001		 Increase
with age		 F1,2168=15.27
p<.001		 F>M F4,2168=5.69
p<.001
CPT-IP:
4-digit
        Hit rate F1,2117=418.15
p<.001		 Sz<HCS F1,2117=15.01
p<.001		 Decrease
with age		 F1,2117=6.25
p<.02		 F<M
        False
alarm
rate 		F1,2117=91.59
p<.001		 Sz>HCS F1,2117=26.53
p<.001		 Increase
with age		 F4,2117=2.79
p<.03
        RT hits
(msec) 		F1,2114=142.93
p<.001		 Sz>HCS F1,2114=47.80
p<.001		 Increase
with age		 F1,2114=11.89
p<.001		 F>M

Note: CPT = Continuous Performance Test; DS-CPT = Degraded Stimulus CPT; CPT-IP = CPT, Identical Pairs; RT = response time