Table 2 Pearson’s correlations (r) and respective \(p-\)values between the workload metrics and fatigue/sleepiness self-rated scores (SP and KSS) of sample 2 (N = 263).

From: Aircrew rostering workload patterns and associated fatigue and sleepiness scores in short and medium haul flights in Brazil

Workload metric

Fatigue/sleepiness self-rated scores

SP

KSS

 

r

\(p-\)value

r

\(p-\)value

\(N_{NS}\)

0.166

0.007

0.125

0.042

\(N_{CNS}\)

0.056

0.368

0.044

0.478

\(N_{ES}\)

0.075

0.223

0.036

0.561

DT(h)

0.208

0.001

0.176

0.004

\(N_{CREW}\)

0.260

<0.001

0.211

0.001

\(N_{WOCL}\)

0.007

0.907

0.035

0.572

\(N_{SIT}\)

0.180

0.003

0.163

0.008

\(N_{REST}\)

0.134

0.030

0.077

0.215

\(N_{DUTY}\)

0.096

0.122

0.122

0.048

\(N_{CREW}+N_{SIT}\)

0.253

<0.001

0.209

0.001