Table 4 A receiver operating... | Emerald Publishing

Table 4

A receiver operating characteristic analysis to determine the best score cutoff to identify motorists at risk for road safety based on nomophobia score

Cutoff	Sensitivity (%)	Specificity (%)	Youden's index	Cohen's kappa	F1 score	Accuracy	Misclassification cost
50	91%	16%	0.07	0.04	0.45	37%	1091
55	89%	21%	0.10	0.06	0.45	40%	1040
60	85%	27%	0.11	0.07	0.45	43%	989
65	83%	32%	0.15	0.10	0.46	46%	930
70	79%	40%	0.19	0.13	0.47	51%	854
75	74%	48%	0.22	0.17	0.48	56%	770
80	69%	57%	0.26	0.21	0.49	60%	690
85	65%	67%	0.31	0.27	0.52	66%	585
90	61%	75%	0.37	0.33	0.54	72%	502
95	52%	80%	0.32	0.31	0.51	72%	482
100	43%	84%	0.27	0.28	0.46	72%	480
105	35%	89%	0.23	0.26	0.42	74%	458
110	29%	91%	0.21	0.24	0.39	74%	451
115	19%	94%	0.13	0.16	0.28	73%	466
120	13%	96%	0.09	0.12	0.21	73%	471

Cutoff	Sensitivity (%)	Specificity (%)	Youden's index	Cohen's kappa	F1 score	Accuracy	Misclassification cost
50	91%	16%	0.07	0.04	0.45	37%	1091
55	89%	21%	0.10	0.06	0.45	40%	1040
60	85%	27%	0.11	0.07	0.45	43%	989
65	83%	32%	0.15	0.10	0.46	46%	930
70	79%	40%	0.19	0.13	0.47	51%	854
75	74%	48%	0.22	0.17	0.48	56%	770
80	69%	57%	0.26	0.21	0.49	60%	690
85	65%	67%	0.31	0.27	0.52	66%	585
90	61%	75%	0.37	0.33	0.54	72%	502
95	52%	80%	0.32	0.31	0.51	72%	482
100	43%	84%	0.27	0.28	0.46	72%	480
105	35%	89%	0.23	0.26	0.42	74%	458
110	29%	91%	0.21	0.24	0.39	74%	451
115	19%	94%	0.13	0.16	0.28	73%	466
120	13%	96%	0.09	0.12	0.21	73%	471

Note(s): Results displayed in nomophobia cutoff incremental of five points between NMPQ score of 50-120. Total observations 1731; area under curve 0.70 [0.66; 0.71]

Source(s): Table by authors

[ViewLarge]

Sharing Unavailable