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Table 5 Cluster centroids

From: Takeover performance evaluation using driving simulation: a systematic review and meta-analysis

Variable Cluster 1 (N = 47) Cluster 2 (N = 57) Cluster 3 (N = 15) Cluster 4 (N = 31)
FID = low 0.04 0.11 0.60 0.10
FID = medium 0.21 0.00 0.27 0.90
FID = high 0.60 0.89 0.00 0.00
FID = n/a 0.15 0.00 0.13 0.00
NDRT = no 0.06 0.32 0.53 0.29
NDRT = optional 0.02 0.02 0.20 0.16
NDRT = mandatory 0.70 0.51 0.13 0.26
NDRT = n/a 0.21 0.16 0.13 0.29
TOR = no 0.02 0.21 0.73 0.00
TOR = yes 0.98 0.79 0.27 1.00
TB (s) 6.71 5.81 n/a 8.80
SAMPLE 33.44 29.47 24.15 34.97
AGE (years) 36.09 36.75 38.54 37.02
MALE (%) 51.39 52.91 56.21 60.19
QUART = Q1 0.96 0.12 0.13 0.13
QUART = Q2 0.00 0.88 0.07 0.81
QUART = Q3/Q4 0.04 0.00 0.80 0.06
  1. N is the number of observations