Table 7 Comparison of workplace physical violence severity between two groups of nurses (%)

Control group

(n = 136)

T₀

96(70.59)

36(26.47)

3(2.21)

1(0.74)

0(0.00)

T₁

108(79.41)

25(18.38)

3(2.21)

0(0.00)

0(0.00)

T₂

109(80.15)

24(17,65)

2(1.47)

1(0.74)

0(0.00)

T₃

111(81.62)

23(16.91)

2(1.47)

0(0.00)

0(0.00)

Intervention group (n = 140)

T₀

99(70.71)

36(25.71)

3(2.14)

2(1.43)

0(0.00)

T₁

117(83.57)

20(14.29)

2(1.43)

1(0.71)

0(0.00)

T₂

124(88.57)

15(10.71)

1(0.71)

0(0.00)

0(0.00)

T₃

126(90.00)

14(10.00)

0(0.00)

0(0.00)

0(0.00)

Between-group effect

Wald χ²

4.757

P

0.029

Time effect

Wald χ²

23.966

P

 < 0.001

Interaction effect

Wald χ²

4.501

P

0.212