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Table 2 Variance in background variables of 361 staff members who filled in the attitudes towards aggression scale (ATAS)

From: Psychiatric staff on the wards does not share attitudes on aggression

Age

Sum of squares

Mean square

df

F

p

ATAS component: Offensive

4.15

1.38

3

1.551

0.201

Communicative

3.26

1.09

3

1.539

0.204

Destructive

0.45

0.15

3

0.275

0.844

Protective

0.75

0.25

3

2.231

0.875

Intrusive

0.49

0.16

3

0.163

0.880

Gender

Offensive

1.78

1.78

1

1.986

0.160

Communicative

2.51

2.51

1

3.550

0.060

Destructive

0.18

0.18

1

0.333

0.564

Protective

0.74

0.74

1

0.069

0.793

Intrusive

0.01

0.01

1

0.003

0.956

Educational level

Offensive

1.97

0.99

2

1.129

0.325

Communicative

1.42

0.71

2

0.981

0.376

Destructive

0.62

0.31

2

0.581

0.560

Protective

0.42

0.21

2

0.198

0.820

Intrusive

1.3

0.64

2

0.886

0.413

Working experience on current ward

Offensive

7.20

2.40

3

2.710

0.045

Communicative

1.15

0.38

3

0.538

0.657

Destructive

2.01

0.67

3

1.231

0.298

Protective

3.12

1.04

3

0.959

0.412

Intrusive

3.99

1.33

3

1.846

0.139

Specialty of ward

Offensive

2.77

1.39

2

1.460

0.234

Communicative

1.92

0.96

2

1.277

0.281

Destructive

0.41

0.21

2

0.388

0.679

Protective

10.23

5.11

2

4.710

0.010

Intrusive

2.28

1.14

2

1.523

0.220

Wards with response rate > 50%

Offensive

12.00

0.80

15

0.90

0.567

Communicative

8.71

0.58

15

0.76

0.716

Destructive

5.63

0.38

15

0.69

0.792

Protective

32.35

2.16

15

2.10

0.012

Intrusive

10.95

0.73

15

1.02

0.439

  1. One-Way Analysis of Variance (ANOVA) was used.