Previously submitted to: JMIR mHealth and uHealth (no longer under consideration since Jan 04, 2021)
Date Submitted: Mar 30, 2020
Warning: This is an author submission that is not peer-reviewed or edited. Preprints - unless they show as "accepted" - should not be relied on to guide clinical practice or health-related behavior and should not be reported in news media as established information.
Continuous Exercise Coaching Through Smartphone to Improve Quality of Sleep for Pregnant Women: A Prospective Cohort Study
ABSTRACT
Background:
Sleep quality is often affected by pregnancy, and exercise may improve sleep quality in pregnancy. However, the literature on the effect of integrating smartphones with continuous exercise coaching to improve sleep is sparse.
Objective:
This study aimed to explore the effect of continuous exercise coaching through smartphone on sleep quality for pregnant women.
Methods:
Pregnant women who met the eligibility criteria and agreed to participate at their first prenatal visit were enrolled and divided into two groups: group A (with continuous exercise coaching through smartphone) and group B (without exercise coaching). Pittsburgh Sleep Quality Index (PSQI) scale was used to measure the sleep quality. Chi-square test was used for categorical variables and t-test was used for continuously distributed variables for the comparison between the two groups.
Results:
In the 2nd trimester, means (SDs) of global score (9.46 (SD 3.46)), subjective sleep quality score (1.64 (SD 0.72)), and daytime dysfunction score (0.98 (SD 0.82) in group A (50 women)) were lower than in group B (50 women): 11.34 (SD 3.93), 2.02 (SD 0.74), and 1.48 (SD 0.84), respectively. In the 3rd trimester, means (SDs) of global score (10.16 (SD 3.00)), sleep efficiency score (1.64 (SD 0.72)), and daytime dysfunction score (1.86 (SD 0.67)) in group A were lower than in group B: 12.10 (SD 3.51), 1.82 (SD 0.80), and 1.78 (SD 0.76), respectively. In group A, global score of PSQI decreased from the 1st to 2nd trimester and from the 2nd to 3rd trimester. No inter-trimester change in global score of PSQI was observed in group B.
Conclusions:
Our preliminary analysis suggests that continuous exercise coaching through smartphone by health professionals may be an effective way to improve sleep quality in pregnancy.
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