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Device-measured 24-hour Activity In Partners Of Pregnant Women Across The Perinatal Period: 861
Abstract   Peer reviewed

Device-measured 24-hour Activity In Partners Of Pregnant Women Across The Perinatal Period: 861

Jacob Gallagher, Brooke Anthos, Alexis Thrower, Bethany Barone-Gibbs and Kara Whitaker
Medicine and science in sports and exercise, Vol.58(10S), 861
10/2026
DOI: 10.1249/01.mss.0001261332.59401.9b

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Abstract

PURPOSE: It is unclear how 24-hour activity changes among partners of pregnant women and how it relates to the mothers’ activity during pregnancy. This study aims to objectively assess 24-hour activity in partners of pregnant women across the perinatal period. METHODS: Participants enrolled in the Pregnancy 24/7 Cohort Study from Iowa and West Virginia study sites were asked whether their partner might be interested in participating in a related ancillary study. Enrolled partners wore a thigh-mounted activity monitor and completed a 7-day sleep diary during each trimester of pregnancy (concurrently with Pregnancy 24/7 visits) and one year postpartum. Descriptive statistics and mixed-effects models were used to characterize partner patterns of 24-hour activity across the perinatal period in partners. An adjusted model accounted for repeated measures, wear time, and study site. RESULTS: There were 26 total partner participants (n =19 from West Virginia) who completed 88 total visits (26 trimester 1, 25 trimester 2, 26 trimester 3, and 11 at one-year postpartum, data collection ongoing). On average, participants were 32.2 years old (SD 5.7), had a BMI of 26.9 kg/m2 (SD 4.6), were college educated (n = 20 with at least a bachelor’s degree), and worked full time (n = 21). Mean daily monitor wear time averaged 1429 minutes per day (SD 20.7). The mixed model found a reduction in sedentary time (SED) and increase in light physical activity (LPA) in the one-year postpartum follow-up compared to the pregnancy period (see Table 1). However, there were no changes in moderate-vigorous physical activity (MVPA) nor sleep. CONCLUSIONS: Partners demonstrated modest improvements in 24-hour activity patterns from pregnancy to one year postpartum, suggesting potential lifestyle changes during the transition to parenthood. These findings should be confirmed in larger, more diverse samples, as participants in the current study were, on average, highly active and highly educated.

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