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Objectives: To examine the association between acculturation and leisure-time physical activity among Asian Americans. Design: Data came from the 2011–2016 National Health and Nutrition Examination Survey, restricting to non-Hispanic Asian adults aged 20 years and older (n = 1989). Acculturation was assessed by language preference at home, birth locations, and length of residency in the United States (US). Self-reported physical activity was used to estimate leisure-time moderate-to-vigorous physical activity (MVPA) in MET-minutes/week and meeting the World Health Organization's physical activity guidelines. Multiple linear and logistic regression models were used to model MVPA as continuous and categorical variables, respectively. Results: A quarter of Asian Americans spoke only English and 47.8% spoke only non-English at home; 13.0% were born in the US. Asians who spoke only English (adjusted prevalence ratio [aPR]:1.5) and Asians who spoke both English and non-English at home (aPR: 1.4) had greater proportions of meeting physical activity guidelines compared to those who spoke only non-English at home. The US-born Asians had higher a proportion of meeting the physical activity guidelines (aPR:1.4) and performed 547.6 more MET-minutes of MVPA each week than foreign-born Asians; they also had a higher proportion of meeting the physical activity guidelines than foreign-born Asians who stayed in US for ≤ 10 years (aPR:1.5). Length of time staying in the US was associated with a higher proportion of meeting physical activity guidelines. Among foreign-born Asian Americans, higher acculturation measures were also positively associated with meeting physical activity guidelines. Conclusions: Acculturation was positively associated with physical activity levels among Asian Americans. More acculturated Asian Americans such as those who spoke more English at home and US-born Asians, performed more MVPA than less acculturated Asian Americans. Interventions are needed to promote physical activity among non-English speaking Asian immigrants and recent immigrants. [ABSTRACT FROM AUTHOR]

Objective: To estimate and compare the recurrence risk of preterm birth (PTB), gestational diabetes mellitus (GDM), gestational hypertension (GH), and preeclampsia & eclampsia (PE & E) in subsequent pregnancy groups (index-subsequent) of singleton-singleton (n = 49,868), twin-singleton (n = 448), and singleton-twin (n = 723) pregnancies., Study Design: Birthing individuals from the NICHD Consecutive Pregnancy Study (2002-2010) with ≥ 2 singleton or twin deliveries were examined. Adjusted relative risks (aRR) and 95% confidence intervals (CI) for recurrent PTB, GDM, GH, and PE & E were estimated using Poisson regression models with robust variance estimators., Results: The recurrence risk of PTB and GDM ranged from 1.4 - 5.1 and 5.2 - 22.7, respectively, with the greatest recurrence risk for both conditions in singleton-singleton subsequent pregnancies (PTB: aRR=5.1 (95% CI: 4.8-5.5), GDM: aRR=22.7 (95% CI: 20.8 - 24.8)). The recurrence risk of GH and PE & E ranged from 2.8 - 7.6 and 3.2 - 9.2, respectively, with the greatest recurrence risk for both conditions in twin-singleton subsequent pregnancies (GH: aRR=7.6 (95% CI: 2.8-20.5), PE & E: aRR=9.2 (95% CI: 2.9 - 28.6))., Conclusion: Recurrence risk was increased for PTB, GDM, GH and PE & E in all subsequent pregnancy groups, which varied in magnitude based on the birth number of the index and subsequent pregnancy. This information provides insight into risk management for subsequent pregnancies including multiples., Key Words: recurrence, preterm birth, diabetes, hypertension, preeclampsia and eclampsia., Competing Interests: The authors declare that they have no conflict of interest., (Thieme. All rights reserved.)