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Table 3 Percentage (N) of participants showing remission, incidence, persistent or absent self-injurious behaviour between T2 and T3

From: Persistence and predictors of self-injurious behaviour in autism: a ten-year prospective cohort study

Behaviour

Absent

(Absent 2010, absent 2017)

Remission

(Present 2010, absent 2017)

Incidence

(Absent 2010, present 2017)

Persistent

(Present 2010, present 2017)

P (2-tailed)

Remission in participants with self-injury at T1

Persistence in participants with self-injury at T1

Self-injury

63

(29)

9

(4)

4

(2)

24

(11)

.687

27

(4)

73

(11)

Hits self with body

80

(37)

4

(2)

7

(3)

9

(4)

1.000

33

(2)

67

(4)

Hits self against object

83

(38)

4

(2)

7

(3)

7

(3)

1.000

40

(2)

60

(3)

Hits self with object

98

(45)

0

(0)

0

(0)

2

(1)

1.000

-

-

Bites self

78

(36)

13

(6)

2

(1)

7

(3)

.125

67

(6)

33

(3)

Pulls self

91

(42)

4

(2)

0

(0)

4

(2)

.500

50

(2)

50

(2)

Rubs/scratches self

91

(42)

4

(2)

0

(0)

4

(2)

.500

50

(2)

50

(2)

Inserts

-

-

-

-

-

-

-