Correlates of light physical activity among cancer survivors: A report from the American Cancer Society’s Studies of Cancer Survivors-I (SCS-I) Open Access
Johnson, Rakiyah (Spring 2018)
Published
Abstract
Background: Despite emerging evidence of positive health benefits of light physical activity (LPA) for cancer survivors, little research has explored modifiable factors that facilitate or hinder LPA in this population.
Purpose: To explore environmental and cognitive predictors of LPA among cancer survivors.
Methods: Data from the third survey of the American Cancer Society’s Studies of Cancer Survivors-I were utilized. The Leisure Time Exercise Questionnaire assessed minutes per week of LPA and moderate-to-vigorous physical activity (MVPA). The primary outcome was LPA categorized at 0, 1-59, 60-119, and 120+ minutes per week. Chi-square tests and ANOVAS were conducted to compare two groups created based MVPA level (no MVPA, some MVPA). Multivariable ordinal logistic regressions using forced entry were conducted, stratified by MVPA status.
Results: The sample (N = 1494) was on average 64.8 years old, primarily non-Hispanic white (90.5%), female (60.3%), college-educated (43.0%), married/cohabitating (74.1%), and had >2 physical health comorbidities (46.3%). The multivariable models revealed that among those reporting no MVPA, support from a primary care provider (OR = 1.48; p=.049), perceived support from a partner (OR = 1.06; p=.024), and perceived health competence (OR = 1.44; p=.014) were significantly correlated with LPA. No hypothesized constructs were significantly associated with LPA among those engaging in some MVPA.
Conclusion: Among cancer survivors reporting no MVPA, LPA was positively associated with support from a primary care provider, perceived support from a partner, and perceived health competence. Social cognitive constructs are useful for informing the development of interventions aiming to increase LPA among cancer survivors.
Table of Contents
Chapter 1: Introduction ........................................................................................................1
Chapter 2: Literature Review...............................................................................................2
Chapter 3: Methods..............................................................................................................6
Procedure ......................................................................................................................................6
Participants ...................................................................................................................................7
Measures .......................................................................................................................................7
Covariates:...............................................................................................................................7
Primary Predictors: ...............................................................................................................11
Primary Outcome:..................................................................................................................12
Data Analysis..............................................................................................................................13
Chapter 4: Results..............................................................................................................13
Bivariate Analysis Results..........................................................................................................14 Multivariable Regression Results...............................................................................................14
Chapter 5: Discussion ........................................................................................................15
Conclusions ........................................................................................................................21
References ..........................................................................................................................23
Figure 1. Flow diagram of participants included in final analytic sample.........................35
Table 1. Descriptive statistics for categorical variables by moderate-to-vigorous physical activity (MVPA) status......................................................................................................36
Table 2. Descriptive statistics for continuous variables by moderate-to-vigorous physical activity (MVPA) status......................................................................................................38
Table 3. Correlates of light physical activity (LPA) stratified by moderate-to-vigorous physical activity (MVPA) status........................................................................................39
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Correlates of light physical activity among cancer survivors: A report from the American Cancer Society’s Studies of Cancer Survivors-I (SCS-I) () | 2018-04-25 11:23:56 -0400 |
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