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Table 6 Effect of sleep-related problems on mental health: regression analysis with sleep-related problems as the dependent variable

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

CASC items

B

95 % CI

t

p-value

β

I get sleepy during class outside of naptime.

0.114

0.032

0.195

2.746

0.006

0.160

I snore.

0.072

0.007

0.138

2.167

0.031

0.126

I feel anxious or afraid when it is time to go to sleep.

0.092

0.005

0.178

2.085

0.038

0.122

  1. B = unstandardized regression coefficient; β = standardized regression coefficient
  2. Mental health status was transformed into two dummy variables: poor mental health group (total SDQ score > 12) vs. control group (total SDQ score < 13)