Reciprocal relationship between unhealthy eating behaviours and depressive symptoms from childhood to adolescence: 10-year follow-up of the Child and Adolescent Behaviors in Long-Term Evolution study
- Public Health Nutrition, 19(9), 1654-1665
Objective: To investigate the reciprocal relationship between unhealthy eating
behaviours and depressive symptoms from childhood to adolescence.
Design: Unhealthy eating behaviours were measured by the frequencies of eating
foods with excess salt, sugar or fat in the past week. Depressive symptoms in the
past two weeks were measured using a seven-item scale. Hierarchical linear
growth models were used to analyse longitudinal associations between unhealthy
eating behaviours and depressive symptoms. Time-fixed variables (sex, parents’
education level and household monthly income) and time-varying variables
(parents’ marital status, family activities, body weight, vegetable or fruit
consumption, exercising and smoking) were controlled for.
Setting: The Child and Adolescent Behaviors in Long-Term Evolution study, which
commenced in 2001 and has annual follow-up.
Subjects: Students (n 2630) followed from 2nd grade (8 years old in 2002) to
Results: The frequency of unhealthy eating behaviours in the previous year and
the difference between the frequency in the previous and successive year
were positively associated with the initiation and growth rate of depressive
symptoms. Depressive symptoms in the previous year and the difference in
depressive symptoms between the previous and successive year were positively
associated with the initial state and growth rate of unhealthy eating behaviours.
Conclusions: Our results suggest a reciprocal relationship between depressive
symptoms and unhealthy eating behaviours. This relationship should be
considered when developing programmes targeting depressive symptoms and
unhealthy diet in children and adolescents.
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- Paper submitted by
- Wen-chi Wu, Department of Health Industry Management, Kainan University, email@example.com