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Table 1 Properties of intervention and control group after matching

From: Effects of an attachment-based parent intervention on mothers of children with autism spectrum disorder: preliminary findings from a non-randomized controlled trial

Variable

Intervention

(n = 20)

Control

(n = 40)

Fisher’s exact test

Number (%)

Number (%)

P

Target children

Sex

 Male

15 (75.0)

31 (77.5)

> .999

 Female

5 (25.0)

9 (22.5)

Routine hospital visits

13 (65.0)

29 (72.5)

.564

Receiving treatment and education

17 (85.0)

33 (82.5)

> .999

Prescribed medication

2 (10.0)

5 (12.5)

> .999

Diagnostic impression

 ASD without comorbidity

17 (85.0)

34 (85.0)

> .999

 ASD + mental retardation

1 (5.00)

2 (5.00)

> .999

 ASD + attention deficit hyperactivity disorder

2 (10.0)

4 (10.0)

> .999

Mothers of target children

Marital status

 Married

20 (100)

39 (97.5)

> .999

 Single

0 (0.00)

1 (2.50)

Variable/Scales

Intervention

(n = 20)

Control

(n = 40)

Unpaired t-test

Mean (SD)

Mean (SD)

t

P

Target children

 Age

7.3 (2.40)

7.5 (2.12)

− .28

.780

 PARS-TR

27.5 (12.2)

24.1 (13.2)

.96

.343

 Developmental quotient (Int.: n = 11/Cont.: n = 21)a

81.9 (11.8)

83.0 (15.2)

.22

.831

 Intelligence quotient (Int.: n = 9/Cont.: n = 19)b

90.1 (19.6)

89.8 (14.0)

− .05

.961

Mothers of target children

 Age

40.6 (4.32)

39.1 (4.86)

1.17

.247

 AQ-J

19.0 (7.02)

16.9 (6.82)

1.13

.264

  1. Int.: Intervention group; Cont.: Control group
  2. aResults of the Kyoto Scale of Psychological Development 2001 (K-test)
  3. bResults of the Wechsler Intelligence Scale for Children – Fourth Edition (WISC-IV)