Document Type : Original Article


School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran


BACKGROUND: Healthy nutrition in childhood and adolescence is important for growth and
development. Breakfast is the most important meal during a day, and many studies have linked
eating breakfast to good health. The aim of the present study was to evaluate the subjective norms
and perceived behavioural control of Iranian teenage girls about breakfast consumption and its
related factors in 2018.
MATERIALS AND METHODS: In this descriptive‑analytical study, 320 female students were
enrolled using a multistage sampling method. Data were collected using a questionnaire, the validity
and reliability of which were evaluated. Data analysis was carried out using SPSS16 software and
ANOVA and t independent tests.
RESULTS: There was a significant relationship between students’ sleep duration and the people
with whom they eat breakfast with the Motivation to Comply (P = 0.009), (P = 0.001) and subjective
norms (P = 0.004), (P = 0.001) as well as between the people with whom they eat breakfast and
normative beliefs (P = 0.05). There was a significant relationship between father’s job and control
beliefs (P = 0.03) and perceived behavioural control (P = 0.04), between household size with perceived
behavioural control (P = 0.05), between sleep duration and perceived power (P < 0.001), and
perceived behavioural control (P = 0.03), between the people with whom they eat breakfast with control
beliefs (P < 0.001), perceived power (P < 0.001), and perceived behavioural control (P < 0.001).
CONCLUSION: Considering the importance of sleep duration for adolescent girls as well as eating
breakfast with other family members, health policymakers are recommended to pay special attention
to these two factors while designing educational interventions.


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