Participation in a social-support physical activity intervention modestly improves lipoprotein cholesterol distribution among postpartum sedentary hispanic women

Sonia Vega-Lopez, Giselle A P Pignotti, Colleen Keller, Michael Todd, Barbara Ainsworth, Allison Nagle Williams, Kathie Records, Dean Coonrod, Paska Permana

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Background: The effects of moderate intensity walking on lipoprotein remodeling in postpartum Hispanic women are unknown. Methods: Sedentary postpartum Hispanic women (28.2 ± 5.6 y; BMI = 29.3 ± 3.3 kg/m2) participating in a social support physical activity (PA) intervention, were randomly assigned to a 12-month walking program (walkers; n = 22; target 150 min/wk, moderate intensity) or a control group (nonwalkers; n = 22). Fasting lipids and cholesterol distribution within low-density lipoprotein (LDL) and high-density lipoprotein (HDL) particles were measured at baseline (BL), 6 months, and 12 months. Results: Walkers had an 11% increase and nonwalkers a 7% decrease in HDL cholesterol from 6 to 12 months (P = .0367) without an effect on LDL cholesterol. Whereas nonwalkers had virtually no change in mean LDL particle size, walkers had a borderline reduction in LDL size from BL (268.7 ± 4.1 Å) to 6 months (266.9 ± 4.9 Å), followed by a significant increase in size by 12 months (269.7 ± 4.1 Å; P = .011). The proportion of cholesterol in large LDL particles decreased by 15% from BL to 6 months, but subsequently increased 25% by 12 months among walkers; changes among nonwalkers were smaller and in opposite direction (4% and -3%, respectively; P = .0004). Conclusions: Participation in the social-support PA intervention resulted in slightly increased HDL cholesterol concentrations and a modest and beneficial shift toward larger, less atherogenic LDL particles.

Original languageEnglish (US)
Pages (from-to)1289-1297
Number of pages9
JournalJournal of Physical Activity and Health
Volume12
Issue number9
DOIs
StatePublished - Sep 1 2015

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LDL Lipoproteins
Hispanic Americans
Social Support
Postpartum Period
Walkers
Exercise
HDL Cholesterol
Walking
Cholesterol
Lipoprotein(a)
HDL Lipoproteins
Particle Size
LDL Cholesterol
Lipoproteins
Fasting
lipoprotein cholesterol
Lipids
Control Groups

Keywords

  • HDL particles
  • LDL particles
  • Randomized controlled trial
  • Walking

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

Cite this

Participation in a social-support physical activity intervention modestly improves lipoprotein cholesterol distribution among postpartum sedentary hispanic women. / Vega-Lopez, Sonia; Pignotti, Giselle A P; Keller, Colleen; Todd, Michael; Ainsworth, Barbara; Williams, Allison Nagle; Records, Kathie; Coonrod, Dean; Permana, Paska.

In: Journal of Physical Activity and Health, Vol. 12, No. 9, 01.09.2015, p. 1289-1297.

Research output: Contribution to journalArticle

Vega-Lopez, Sonia ; Pignotti, Giselle A P ; Keller, Colleen ; Todd, Michael ; Ainsworth, Barbara ; Williams, Allison Nagle ; Records, Kathie ; Coonrod, Dean ; Permana, Paska. / Participation in a social-support physical activity intervention modestly improves lipoprotein cholesterol distribution among postpartum sedentary hispanic women. In: Journal of Physical Activity and Health. 2015 ; Vol. 12, No. 9. pp. 1289-1297.
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abstract = "Background: The effects of moderate intensity walking on lipoprotein remodeling in postpartum Hispanic women are unknown. Methods: Sedentary postpartum Hispanic women (28.2 ± 5.6 y; BMI = 29.3 ± 3.3 kg/m2) participating in a social support physical activity (PA) intervention, were randomly assigned to a 12-month walking program (walkers; n = 22; target 150 min/wk, moderate intensity) or a control group (nonwalkers; n = 22). Fasting lipids and cholesterol distribution within low-density lipoprotein (LDL) and high-density lipoprotein (HDL) particles were measured at baseline (BL), 6 months, and 12 months. Results: Walkers had an 11{\%} increase and nonwalkers a 7{\%} decrease in HDL cholesterol from 6 to 12 months (P = .0367) without an effect on LDL cholesterol. Whereas nonwalkers had virtually no change in mean LDL particle size, walkers had a borderline reduction in LDL size from BL (268.7 ± 4.1 {\AA}) to 6 months (266.9 ± 4.9 {\AA}), followed by a significant increase in size by 12 months (269.7 ± 4.1 {\AA}; P = .011). The proportion of cholesterol in large LDL particles decreased by 15{\%} from BL to 6 months, but subsequently increased 25{\%} by 12 months among walkers; changes among nonwalkers were smaller and in opposite direction (4{\%} and -3{\%}, respectively; P = .0004). Conclusions: Participation in the social-support PA intervention resulted in slightly increased HDL cholesterol concentrations and a modest and beneficial shift toward larger, less atherogenic LDL particles.",
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AU - Vega-Lopez, Sonia

AU - Pignotti, Giselle A P

AU - Keller, Colleen

AU - Todd, Michael

AU - Ainsworth, Barbara

AU - Williams, Allison Nagle

AU - Records, Kathie

AU - Coonrod, Dean

AU - Permana, Paska

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N2 - Background: The effects of moderate intensity walking on lipoprotein remodeling in postpartum Hispanic women are unknown. Methods: Sedentary postpartum Hispanic women (28.2 ± 5.6 y; BMI = 29.3 ± 3.3 kg/m2) participating in a social support physical activity (PA) intervention, were randomly assigned to a 12-month walking program (walkers; n = 22; target 150 min/wk, moderate intensity) or a control group (nonwalkers; n = 22). Fasting lipids and cholesterol distribution within low-density lipoprotein (LDL) and high-density lipoprotein (HDL) particles were measured at baseline (BL), 6 months, and 12 months. Results: Walkers had an 11% increase and nonwalkers a 7% decrease in HDL cholesterol from 6 to 12 months (P = .0367) without an effect on LDL cholesterol. Whereas nonwalkers had virtually no change in mean LDL particle size, walkers had a borderline reduction in LDL size from BL (268.7 ± 4.1 Å) to 6 months (266.9 ± 4.9 Å), followed by a significant increase in size by 12 months (269.7 ± 4.1 Å; P = .011). The proportion of cholesterol in large LDL particles decreased by 15% from BL to 6 months, but subsequently increased 25% by 12 months among walkers; changes among nonwalkers were smaller and in opposite direction (4% and -3%, respectively; P = .0004). Conclusions: Participation in the social-support PA intervention resulted in slightly increased HDL cholesterol concentrations and a modest and beneficial shift toward larger, less atherogenic LDL particles.

AB - Background: The effects of moderate intensity walking on lipoprotein remodeling in postpartum Hispanic women are unknown. Methods: Sedentary postpartum Hispanic women (28.2 ± 5.6 y; BMI = 29.3 ± 3.3 kg/m2) participating in a social support physical activity (PA) intervention, were randomly assigned to a 12-month walking program (walkers; n = 22; target 150 min/wk, moderate intensity) or a control group (nonwalkers; n = 22). Fasting lipids and cholesterol distribution within low-density lipoprotein (LDL) and high-density lipoprotein (HDL) particles were measured at baseline (BL), 6 months, and 12 months. Results: Walkers had an 11% increase and nonwalkers a 7% decrease in HDL cholesterol from 6 to 12 months (P = .0367) without an effect on LDL cholesterol. Whereas nonwalkers had virtually no change in mean LDL particle size, walkers had a borderline reduction in LDL size from BL (268.7 ± 4.1 Å) to 6 months (266.9 ± 4.9 Å), followed by a significant increase in size by 12 months (269.7 ± 4.1 Å; P = .011). The proportion of cholesterol in large LDL particles decreased by 15% from BL to 6 months, but subsequently increased 25% by 12 months among walkers; changes among nonwalkers were smaller and in opposite direction (4% and -3%, respectively; P = .0004). Conclusions: Participation in the social-support PA intervention resulted in slightly increased HDL cholesterol concentrations and a modest and beneficial shift toward larger, less atherogenic LDL particles.

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