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Health Locus of Control Is Associated With Physical Activity and Other Health Behaviors in Cardiac Patients.

Author(s): Mercer DA, Ditto B, Lavoie KL, Campbell T, Arsenault A, Bacon SL

J Cardiopulm Rehabil Prev. 2018 Nov;38(6):394-399 Authors: Mercer DA, Ditto B, Lavoie KL, Campbell T, Arsenault A, Bacon SL

Article GUID: 30106790
Diurnal Physical Activity Patterns in Patients With Chronic Obstructive Pulmonary Disease.

Author(s): Parwanta Z, Chan-Thim E, Moullec G, Pepin V

Diurnal Physical Activity Patterns in Patients With Chronic Obstructive Pulmonary Disease.

J Cardiopulm Rehabil Prev. 2018 Sep;38(5):E9-E11

Authors: Parwanta Z, Chan-Thim E, Moullec G, Pepin V

Abstract
PURPOSE: People with...

Article GUID: 30138214
Greater Sleep Fragmentation Is Associated With Less Physical Activity in Adults With Cystic Fibrosis.

Author(s): Cox NS, Pepin V, Holland AE

J Cardiopulm Rehabil Prev. 2019 Jan;39(1):E11-E14 Authors: Cox NS, Pepin V, Holland AE

Article GUID: 30252784
Title:Greater Sleep Fragmentation Is Associated With Less Physical Activity in Adults With Cystic Fibrosis.
Authors:Cox NS,  Pepin V,  Holland AE
Link:https://www.ncbi.nlm.nih.gov/pubmed/30252784?dopt=Abstract
Category:J Cardiopulm Rehabil Prev
PMID:30252784
Dept Affiliation: HKAP
1 Discipline of Physiotherapy, Institute for Breathing and Sleep, La Trobe University, Melbourne, Victoria, Australia (Drs Cox and Holland); and Department of Exercise Science, Centre de Recherche de l'Hopital du Sacre-Coeur de Montreal, Concordia University, Montreal, Quebec, Canada (Dr Pepin).

Description:

Greater Sleep Fragmentation Is Associated With Less Physical Activity in Adults With Cystic Fibrosis.

J Cardiopulm Rehabil Prev. 2019 Jan;39(1):E11-E14

Authors: Cox NS, Pepin V, Holland AE

Abstract

BACKGROUND: Sleep quality in people with cystic fibrosis (CF) is known to be poor, whereas participating in regular physical activity is associated with less decline in lung function (forced expiratory volume in 1 sec [FEV1]). The relationship between sleep quality and physical activity in people with CF is unknown.

METHODS: Secondary analysis of sleep and activity data collected via actigraphy. Adults with CF in stable health, participating in a study of physical activity (including assessment of exercise capacity), completed 7 d of activity and sleep assessment (SenseWear Armband [SWA]; BodyMedia). Sleep characteristics were derived from accelerometer positional data and registration of sleep state by the SWA, determined by energy expenditure.

RESULTS: Sleep and activity data were available for 47 participants [n = 28 male; mean ± standard deviation age = 29 ± 8 yr; median (IQR) FEV1 = 60 (50, 82) % predicted]. More fragmented sleep was associated with poorer exercise capacity (rs = -0.303, P = .04), less time spent in moderate-vigorous physical activity (rs = -0.337, P = .020), and poorer FEV1 (rs = -0.344, P = .018). Regression analysis showed that less fragmented sleep was an independent predictor of more total daily activity time (ß = -1.0, standard error [SE] of ß = .4, P = .02) and trended toward significance for more moderate-vigorous physical activity (ß = -.3, SE of ß = -.26, P = .08). Greater total sleep time and sleep efficiency were related to better exercise capacity and lung function (P < .05).

CONCLUSION: This secondary analysis demonstrated a modest relationship between sleep parameters and physical activity and exercise capacity in adults with CF. Future studies of interventions to promote physical activity participation in this group should consider the relationship between sleep and activity performance.

PMID: 30252784 [PubMed - in process]