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Table 4 Results from the qualitative content analysis, with themes and categories. The table also shows comparisons between boys and girls and between the two age-groups

From: Bottom-up and top-down approaches to understanding oppositional defiant disorder symptoms during early childhood: a mixed method study

Theme and Category, n (%)

Girls, n = 11

Boys, n = 46

p-valuea

3–5 years, n = 21

6–8 years, n = 36

p-valueb

Problematic behaviors

11 (100)

32 (69.6)

0.049*

15 (71.4)

28 (77.8)

0.591

Problematic traits

8 (72.7)

24 (52.2)

0.315

10 (47.6)

22 (61.1)

0.322

Difficulties

5 (45.5)

34 (73.9)

0.068

13 (61.9)

26 (72.2)

0.419

Norm-breaking behavior

2 (18.2)

2 (4.3)

0.095

1 (4.8)

3 (8.3)

0.878

Provocative behavior

0 (0)

6 (13.6)

0.334

2 (9.5)

4 (11.1)

0.823

Aggressive behavior

2 (18.2)

4 (8.7)

0.586

2 (9.5)

4 (11.1)

0.823

Defiant behavior

10 (90.9)

23 (50.0)

0.017*

11 (52.4)

22 (61.1)

0.440

Emotionally externalizing behavior

6 (54.5)

16 (34.8)

0.248

7 (33.3)

15 (41.7)

0.480

Hyperactive behavior

1 (9.1)

1 (2.2)

0.357

1 (4.8)

1 (2.8)

0.710

Negative emotional traits

3 (27.3)

18 (39.1)

0.728

5 (23.8)

16 (44.4)

0.150

Defiant traits

6 (54.5)

7 (15.2)

0.006*

5 (23.8)

8 (22.2)

0.935

Hyperactive traits

0 (0)

6 (13.0)

0.334

2 (9.5)

4 (11.1)

0.823

Social difficulties

1 (9.1)

10 (21.7)

0.434

2 (9.5)

9 (25.0)

0.179

Cognitive difficulties

1 (9.1)

16 (34.8)

0.144

7 (33.3)

10 (27.8)

0.708

Inflexibility difficulties

1 (9.1)

8 (17.4)

0.671

4 (19.0)

5 (13.9)

0.715

Emotional regulation difficulties

1 (9.1)

6 (13.0)

0.703

3 (14.3)

4 (11.1)

0.754

Behavioral regulation difficulties

1 (9.1)

10 (27.1)

0.434

4 (19.0)

7 (19.4)

0.931

  1. ap-value considers comparisons between boys and girls
  2. bp-value considers comparisons between the two age groups
  3. * Statistically significant according to Chi-2 test (Fisher’s test when n < 5 in some of the cells)