Trajectory of Sleep Duration in College Students – A longitudinal analysis utilizing a multi-level modeling approach Open Access

Abstract

Objective: This study aimed to understand the general trend of reported sleep duration over time in college students and how the trend was affected by gender, and social media usage, as well as. time-varying physical activity and depression. Methods: This is a secondary data analysis using a sample of 3418 college students who participated in 2-year longitudinal cohort study. Multi-level longitudinal modelling was conducted using participant data from 4 waves of data over the years of 2015 – 2016 of data collection. Results: Reported sleep duration decreased (p < 0.001) over time. Gender’s effect on sleep was not significant but daily social media use showed higher sleep durations (p=0.03). Time-varying physical activity had no significant effect but, time-varying depression was significantly associated with lower sleep duration p<0.001). Conclusions: Reported sleep duration reduction over time with noticeable differences between individuals who regularly use social media and with those reporting higher levels of depression.

Table of Contents

Chapter 1. 7

Introduction. 7

Rationale. 7

Background. 8

Purpose/Research Question. 11

Chapter 2. 13

Literature Review.. 13

Sleep duration and why this is of interest 13

Sleep in the college student population. 15

Physical activity, sleep, and college students. 16

Social Media use and sleep and college students. 17

Depression, sleep, and college students. 18

Chapter 3. 21

Student Contribution. 21

Measures. 21

Sleep. 21

Depression. 22

Physical Activity. 22

Social Media Use. 22

Data Analysis. 22

Intended journal 24

Chapter 4. 25

Introduction. 26

Methods. 30

Results. 32

Discussion. 34

Chapter 5. 53

Public Health Implications. 53

References 55

About this Master's Thesis

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School	Rollins School of Public Health
Department	Behavioral Sciences and Health Education
Degree	M.P.H.
Submission	Master's Thesis
Language	English
Research Field	Health Sciences, General
Keyword	College students Depression Sleep Physical activity Social Media
Committee Chair / Thesis Advisor	Regine Haardoerfer, Emory University
Committee Members	Matthew Chrisman, University of Missouri - Kansas City

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