Exploratory analysis of exercise adherence patterns with sedentary pregnant women

Seonae Yeo, Jessi Cisewski, Eric F. Lock, J. S. Marron

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Background: It is not well understood how sedentary women who wish to engage in regular exercise adhere to interventions during pregnancy and what factors may influence adherence over time. Objective: The aim of this study was to examine longitudinal patterns of pregnant women's adherence to exercise. Methods: Exploratory secondary data analyses were carried out with 124 previously sedentary pregnant women (ages 31 ± 5 years; 85% non-Hispanic White) from a randomized controlled trial. Daily exercise logs (n = 92) from 18 through 35 weeks of gestation were explored using linear regression, functional data, and principal component analyses. Results: Adherence decreased as gestation week increased (p < .001). The top adherers maintained levels of adherence, and the bottom adherers decreased levels of adherence. And adherence pattern was influenced by types of exercise throughout the study period. Discussion: Exercise behavior patterns were explored in a randomized controlled trial study, using chronometric data on exercise attendance. A new analytic approach revealed that sedentary pregnant women may adopt exercise habits differently from other populations.

Original languageEnglish (US)
Pages (from-to)280-287
Number of pages8
JournalNursing research
Issue number4
StatePublished - Jul 2010


  • exercise
  • methods
  • statistical data interpretation

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