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Table 2 Characteristics of the three groups classified into a poor mental health group and the control group

From: Mental health and sleep habits/problems in children aged 3–4 years: a population study

 

Poor mental health group

n = 76

Control group

n = 339

 

Total difficulties scores

Very high

(19–40)

High

(16–18)

Slightly raised

(13–15)

Close to average

(0–12)

p

Age (months)

42.0 ± 1.2

42.4 ± 1.5

42.4 ± 1.2

42.2 ± 1.2

0.706a

n (%)

5 (1.2)

14 (3.4)

57 (13.7)

339 (81.7)

 

Gender (boy/girl)

4/1

9/5

34/23

164/175

0.167b

Kindergarten, nursery school, home

1, 3, 1

5, 8, 1

23, 25, 9

115, 173, 51

0.889b

  1. Mean ± standard deviation
  2. aAnalysis of variance, p < 0.05, bExact test, p < 0.05