Brief self-efficacy interventions to increase healthy dietary behaviours: evidence from two randomized controlled trials

Bouwman, Emily; Onwezen, Marleen C.; Taufik, Danny; Ronteltap, Amber

doi:10.1108/bfj-07-2019-0529

Cited by 9 publications

(6 citation statements)

References 35 publications

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“…This finding is also consistent with research linking self-efficacy to healthy eating (de Borba et al , 2021; Newby et al , 2020; Lo et al , 2019; Churchill et al , 2019; Naughton et al , 2015; Ferranti et al , 2014; Williams et al , 2012; Anderson et al , 2000). That NS-E did not differ between the control and intervention group post-intervention implies it did not impact upon response to the trial and is contrary to previous studies that have observed increased intake of vegetables (Bouwman et al , 2020), increased fruit and vegetable intake (Smith et al , 2020) and reduced fast food consumption (Smith et al , 2020) in response to enhanced self-efficacy. This could possibly be because average scores were lower than those measured in previous population studies (Naughton et al , 2015; Paxton and Sculthorpe, 1999).…”

Section: Discussioncontrasting

confidence: 98%

“…Conversely, lower self-efficacy has been associated with less healthy food choices (Williams et al , 2012; de Bruijn and van der Putte, 2009) and low perceived ability to cook healthy food (de Borba et al , 2021). Evidence from recent RCT (Bouwman et al , 2020) has indicated that higher self-efficacy can improve vegetable intake and adherence to healthy eating plans. Recent research (Bracken and Waite, 2020) and systematic review (Newby et al , 2020) have implied that self-efficacy is associated with response to digitally delivered behaviour change interventions.…”

Section: Introductionmentioning

confidence: 99%

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Self-efficacy, habit strength, health locus of control and response to the personalised nutrition Food4Me intervention study

Stewart-Knox

Rankin

Bunting

et al. 2021

BFJ

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PurposeRandomised controlled trials identify causal links between variables but not why an outcome has occurred. This analysis sought to determine how psychological factors assessed at baseline influenced response to personalised nutrition.Design/methodology/approachWeb-based, randomised, controlled trial (RCT) was conducted across seven European countries. Volunteers, both male and female, aged over 18 years were randomised to either a non-personalised (control) or a personalised (treatment) dietary advice condition. Linear mixed model analysis with fixed effects was used to compare associations between internal and external health locus of control (HLoC), nutrition self-efficacy (NS-E) and self-report habit index (S-RHI) at baseline (N = 1444), with healthy eating index (HEI) and Mediterranean diet index (MDI) scores between conditions post-intervention (N = 763).FindingsAn increase in MDI scores was observed between baseline and six months in the treatment group which was associated with higher NS-E (p < 0.001), S-RHI (p < 0.001) and external HLoC (p < 0.001). Increase in HEI between baseline and six months in the treatment group was associated with higher NS-E (p < 0.001) and external HLoC (p = 0.009). Interaction between time and condition indicated increased HEI scores (p < 0.001), which were associated with higher S-RHI scores in the treatment than control group (p = 0.032). Internal HLoC had no effect on MDI or HEI.Originality/valuePsychological factors associated with behaviour change need consideration when tailoring dietary advice. Those with weaker habit strength will require communication focussed upon establishing dietary habits and support in integrating advised changes into daily routine. Information on habit strength can also be used to inform how progress towards dietary goals is monitored and fed back to the individual. Those with stronger habit strength are more likely to benefit from personalised nutrition.

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Section: Discussioncontrasting

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Self-efficacy, habit strength, health locus of control and response to the personalised nutrition Food4Me intervention study

Stewart-Knox

Rankin

Bunting

et al. 2021

BFJ

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“…Bandura (1977) presented four sources of self-efficacy: performance accomplishments, vicarious experience, verbal persuasion and physiological states. The former two have been used successfully in trial intervention as a way of fostering selfefficacy related to health behaviours (e.g., Bouwman et al, 2020;Parent & Fortin, 2000). Performance accomplishments, or mastery, refer to instances in which individuals have successfully applied positive behaviour which, consequently, boosted self-efficacy.…”

Section: Discussionmentioning

confidence: 99%

How to Age More Positively? Analyzing Determinants that Shape Attitudes Towards Aging

et al. 2023

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A considerable amount of research has illustrated that negative attitudes toward one’s own aging can directly hinder mental and physical well-being or lead to maladjustment in later stages of life (Swift et al. in Social Issues Policy Rev 11(1):195–231, https://doi.org/10.1111/sipr.12031, 2017). Research so far has focused on the analysis of individual factors related to attitudes toward aging, often related to personality traits. Our study proposes and tests a model of positive contact with aging (PCA). It analyses both individual and social antecedents of attitudes towards one’s own aging, hypothesizing that individual health self-efficacy directly affects attitudes towards one’s own aging and that the quality and quantity of contact with older adults indirectly impacts on attitudes towards one’s own aging through attitudes towards older adults. The model was tested in a wide sample of the Italian population (N = 753) with a varied age range. The PCA model tested showed excellent fit to the data, explaining a moderate amount of variance in attitudes toward one’s own aging (12%). This model promises to offer implications for active policies that can improve attitudes towards one’s own aging, promoting educational strategies to increase intergenerational exchanges and foster health-related self-efficacy.

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“…Shi et al [ 8 ] took middle school students as the research object and found that gender, education level, and dining place are important factors leading to students’ bad dietary behavior. Bouwman et al [ 9 ] concluded that a brief self-intervention can promote healthy eating in a randomized intervention trial with Dutch residents. Alexandria et al [ 10 ] applied the theory of planned behavior to examine healthy eating intentions and behaviors among African Americans and found that healthy eating intentions were a major predictor of eating behaviors.…”

Section: Introductionmentioning

confidence: 99%

Chinese Residents’ Healthy Eating Intentions and Behaviors: Based on an Extended Health Belief Model

Wang

Wen

Ying

et al. 2022

IJERPH

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Unhealthy eating is one cause of obesity and some chronic non-communicable diseases. This study introduces self-efficacy and health consciousness to construct an extended health belief model (HBM) to examine the factors influencing healthy eating intentions and behaviors of Chinese residents and explore the moderating effect of perceived barriers and the mediating effect of healthy eating intentions. Through the survey platform “Questionnaire Star”, this study collected quantitative data from 1281 adults, and partial least squares structural equation modeling was used for confirmatory factor analysis, path analysis, importance-performance map analysis, and multi-group analysis. Results showed that perceived susceptibility, perceived severity, perceived benefits, self-efficacy, and health consciousness had a significant positive effect on residents’ healthy eating intentions. Perceived barriers had a significant negative effect on residents’ healthy eating intentions. Healthy eating intentions had a significant positive effect on healthy eating behaviors. Perceived barriers played a significant negative moderating effect between healthy eating intentions and behaviors. Healthy eating intentions had a positive and significant mediating effect. The multi-group analysis showed that extended HBM has relative generalization ability. The extended HBM has good explanatory and predictive power for healthy diet and provides a new framework for understanding the influencing factors of individuals’ healthy eating intentions and behaviors.

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Brief self-efficacy interventions to increase healthy dietary behaviours: evidence from two randomized controlled trials

Cited by 9 publications

References 35 publications

Self-efficacy, habit strength, health locus of control and response to the personalised nutrition Food4Me intervention study

Self-efficacy, habit strength, health locus of control and response to the personalised nutrition Food4Me intervention study

How to Age More Positively? Analyzing Determinants that Shape Attitudes Towards Aging

Chinese Residents’ Healthy Eating Intentions and Behaviors: Based on an Extended Health Belief Model

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