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. 2019 Sep 24;9(9):e029577. doi: 10.1136/bmjopen-2019-029577

Table 2.

Item descriptive statistics and Pearson item-subscale correlations of EPRES-Se

Item Missing %* Mean SD Response value frequency (%)† Pearson item subscale correlations‡
0 1 2 3 4 T W D V R ER
Temporariness§
 Length of contract 0.0 2.6 1.1 36 (8.7) 24 (5.8) 75 (18.1) 228 (54.9) 52 (12.5) −0.04** 0.04 0.05 0.06 0.08 0.04
 Time working employer 0.0 2.1 0.9 17 (4.1) 92 (22.2) 171 (41.2) 119 (28.7) 16 (3.9) −0.04** 0.06 0.11 −0.04 0.31 0.13
Wages
 Income monthly 2.2 2.4 1.2 43 (10.6) 45 (11.1) 87 (21.4) 171 (42.1) 60 (14.8) 0.09 0.39¶ 0.14 −0.07 0.29 0.17
 Cover basic need 1.0 0.8 0.9 175 (42.6) 171 (41.6) 44 (10.7) 14 (3.4) 7 (1.7) −0.02 0.60¶ 0.07 0.21 0.13 0.26
 Cover unforeseen expenses 1.0 1.8 1.1 60 (14.6) 113 (27.5) 136 (33.1) 70 (17.0) 32 (7.8) 0.08 0.55¶ 0.08 0.39 0.14 0.26
Disempowerment
 Working hours settled 0.0 2.1 1.2 84 (20.2) 8 (1.9) 110 (26.5) 190 (45.8) 23 (5.5) 0.12 0.17 0.34¶ 0.10 0.26 0.23
 Salary settled 0.0 2.2 1.2 77 (18.6) 8 (1.9) 101 (24.3) 210 (50.6) 19 (4.6) 0.07 0.03 0.34¶ 0.02 0.13 0.09
Vulnerability
 Demand work conditions 1.0 1.6 1.2 79 (19.2) 129 (31.4) 113 (27.5) 63 (15.3) 27 (6.6) 0.01 0.13 0.09 0.75¶ 0.04 0.28
 Unfair treatment 1.0 1.3 1.1 114 (27.7) 159 (38.7) 67 (16.3) 50 (12.2) 21 (5.1) −0.03 0.12 0.08 0.78¶ −0.01 0.26
 Afraid fired 1.0 1.5 1.2 106 (25.8) 130 (31.6) 81 (19.7) 60 (14.6) 34 (8.3) 0.06 0.20 0.10 0.78¶ 0.04 0.35
 Treated authoritarian 1.0 1.3 1.1 107 (26.0) 160 (38.9) 87 (21.2) 36 (8.8) 21 (5.1) −0.04 0.20 −0.01 0.63¶ 0.02 0.23
 Easily replaced 1.0 1.6 1.3 91 (22.1) 124 (30.2) 92 (22.4) 55 (13.4) 49 (11.9) 0.06 0.22 0.02 0.74¶ 0.04 0.27
Rights
 Right parental leave 1.2 1.2 0.8 100 (24.4) 130 (31.7) 180 (43.9) 0.18 0.16 0.26 0.05 0.58 0.16
 Right retirement 1.2 1.2 0.8 107 (26.1) 113 (27.6) 190 (46.3) 0.26 0.22 0.23 0.07 0.60¶ 0.16
 Right unemployment 1.2 1.0 0.9 156 (38.0) 100 (24.4) 154 (37.6) 0.15 0.24 0.15 −0.01 0.60 0.08
 Right severance pay 1.2 1.4 0.6 20 (4.9) 223 (54.4) 167 (40.7) 0.11 0.06 0.03 −0.02 0.48 0.03
 Right sickness benefits 1.2 0.9 0.8 160 (39.0) 110 (26.8) 140 (34.1) 0.26 0.18 0.17 0.03 0.53¶ 0.12
Exercise of rights
 Take weekend off 1.0 1.6 1.1 86 (20.9) 93 (22.6) 154 (37.5) 48 (11.7) 30 (7.3) −0.01 0.23 0.18 0.18 0.10 0.62
 Take vacation 1.2 1.9 1.1 50 (12.2) 88 (21.5) 163 (39.8) 77 (18.8) 32 (7.8) 0.14 0.22 0.20 0.30 0.15 0.68
 Take day off 1.2 1.6 1.1 88 (21.5) 85 (20.7) 166 (40.5) 50 (12.2) 21 (5.1) 0.15 0.19 0.21 0.24 0.16 0.75
 Take day off, pers. 1.0 1.9 1.2 63 (15.3) 78 (19.0) 159 (38.7) 69 (16.8) 42 (10.2) 0.11 0.21 0.08 0.36 0.07 0.74
 Sick leave 1.2 1.6 1.1 98 (23.9) 74 (18.0) 163 (39.8) 50 (12.2) 25 (6.1) 0.06 0.22 0.20 0.26 0.12 0.69
 Go to doctor 1.0 1.1 1.1 140 (34.1) 126 (30.7) 106 (25.8) 25 (6.1) 14 (3.4) 0.11 0.26 0.09 0.25 0.14 0.64

0 indicates the lowest precariousness score, 4 indicates the highest precariousness score.

*Proportion of participants with any missing item.

†Frequency (%) of participants indicating the specific response. 0 indicates the lowest precariousness score, 4 indicates the highest precariousness score.

‡Corrected for overlap, ie, item is removed from the corresponding subscale.

§Inter-item correlations.

¶ p <0.001

**p >0.05

D, disempowerment; ER, exercise rights; R, rights; T, temporariness; V, vulnerability; W, wages.