BackgroundFood literacy refers to the capability to make healthy food choices in different contexts, settings and situations. The aim of this study is to develop and validate the self-perceived food literacy (SPFL) scale, to assess individuals’ level of food literacy, including a knowledge, skills and behavior to plan, manage, select, prepare and eat food healthfully.MethodsAn initial set of 50 items for the SPFL scale were generated based on expert insights and literature. A cross-sectional online survey was conducted among a sample of Dutch adults (n = 755) in order to determine convergent, divergent and criterion validation against psychosocial variables that were expected to correlate with food literacy (self-control, impulsiveness) and against the expected outcome of high food literacy, namely healthy food consumption. Principal Component Analyses (PCA), Pearson correlation tests and linear regression analyses were conducted. The capacity to distinguish of the SPFL scale was determined by comparing SPFL scores of the general population with that of a sample of dieticians (n = 207).ResultsThe participants in the general sample had an average age of 44.8 (SD:16.1), the majority were women (90.7%), they had a healthy weight (61.4%) and were highly educated (59.1%). Of the initial 50 items, 29 items remained after PCA and reflected eight domains of food literacy. SPFL was positively correlated with self-control (r = 0.51, p = <.001) and negatively with impulsiveness (r = − 0.31, p = <.01). Participants with higher levels of food literacy reported a significantly higher frequency of fruit consumption (≥5 times/week), vegetable consumption (≥5times/week) and fish consumption (≥1times/week) and consumed larger portions of fruit (≥2pieces/day) and vegetables ≥200 g/day) in comparison with participants who had lower levels of food literacy. Dieticians had slightly higher scores on SPFL than general adults (B = 0.08, SE = 0.03, t = 2.83, 95%-CI = 0.03 to 0.14).ConclusionsThe 29 item SPFL scale is a validated, expert-based and theory-driven tool for measuring self-perceived food literacy with respect to healthy eating among adults. Higher levels of food literacy were associated with more self-control, less impulsiveness and healthier food consumption. Additional research is needed to validate the SPFL scale in different populations (different age groups, socioeconomic groups, male populations) and in different contexts.Electronic supplementary materialThe online version of this article (10.1186/s12966-018-0687-z) contains supplementary material, which is available to authorized users.
Objective: To assess the effect of the Dutch school-based education programme 'Taste Lessons' on children's behavioural determinants towards tasting unfamiliar foods and eating healthy and a variety of foods. Design: In a quasi-experimental study design, data on behavioural determinants were collected at baseline, four weeks and six months after the intervention in both the intervention and control group. Children completed consecutively three questionnaires in which knowledge, awareness, skills, attitude, emotion, subjective norm and intention towards the two target behaviours were assessed. Teachers implemented on average a third of the programme activities. Multilevel regression analyses were conducted to compare individual changes in the determinants in the intervention group with those in the control group, corrected for children's gender and age. Effect sizes were expressed as Cohen's d. Setting: Dutch elementary schools. Subjects: Forty-nine classes (1183 children, 9-12 years old) in grades 5-8 of twenty-one elementary schools. Results: The intervention group showed a higher increase in knowledge (d = 0·26, P < 0·01), which persisted after six months (d = 0·23, P < 0·05). After four weeks, the intervention group showed a higher increase in number of foods known (d = 0·22, P < 0·05) and tasted (d = 0·21, P < 0·05), subjective norm of the teacher (d = 0·17, P < 0·05) and intention (d = 0·16, P < 0·05) towards the target behaviours. Conclusions: Partial implementation of Taste Lessons during one school year showed small short-term effects on increasing behavioural determinants in relation to tasting unfamiliar foods and eating healthy and a variety of foods. Full and repeated implementation of Taste Lessons in subsequent years might result in larger effects.
BackgroundPrimary care physicians are subjected to a high workload, which can lead to stress and a high incidence of burnout. A mindfulness training course was developed and implemented for primary care physicians to better cope with stress and improve job functioning.AimTo gain insight into the effects of the mindfulness training on perceived stress, self-compassion, and self-reflection of primary care physicians.Design & settingA pragmatic mixed-methods pre–post design in which physicians received 8 weeks of mindfulness training.MethodParticipants completed validated questionnaires on perceived stress (Perceived Stress Scale [PSS]), self-compassion (Self-Compassion Scale [SCS]), and self-reflection (Groningen Reflection Ability Scale [GRAS]) before the training, directly after, and 6 months later. Semi-structured interviews were conducted with six participants after the training and a content analysis was performed to gain in depth understanding of experiences.ResultsA total of 54 physicians participated in the study. PSS was reduced (mean difference [MD] -4.5, P<0.001), SCS improved (MD = 0.5, P<0.001), and GRAS improved (MD = 3.3, P<0.001), directly after the 8-week training compared with before training. Six months later, PSS was still reduced (MD = -2.9, P = 0.025) and SCS improved (MD = 0.7, P<0.001). GRAS did not remain significant (MD = 2.5, P = 0.120). Qualitative analysis revealed four themes: being more aware of their own feelings and thoughts; being better able to accept situations; experiencing more peacefulness; and having more openness to the self and others.ConclusionMindfulness training might be an effective approach for improving stress resilience, self-compassion, and self-reflection in primary care physicians.
IntroductionPrevalence of type 2 diabetes (T2D) is increasing rapidly and lifestyle interventions to reverse diabetes are seen as a possible solution to stop this trend. New practice-based evidence is needed to gain more insight in the actual, and above all scientific, basis for these claims.MethodsThis observational study with a pretest post-test design aimed to pilot a 6-month multicomponent outpatient group-based nutrition and lifestyle intervention programme on glycaemic control and use of glucose lowering medication in motivated T2D patients with a body mass index (BMI) >25 kg/m2 in the Netherlands (February 2015–March 2016).Results74 T2D patients (56% female) aged 57.4±8.0 years with mean BMI 31.2±4.2 kg/m2 and mean waist circumference 105.4±10.2 cm were included in the study. Compared with baseline, mean HbA1c levels at 6 months were 5 mmol/mol lower (SD=10, p<0.001) and the number of participants with HbA1c levels ≤53 mmol/mol after intervention had increased (from 36% (n=26/72) to 60% (n=43/72)). At baseline, 90% of participants were taking at least one type of glucose lowering medication. At 6 months, 49% (n=35/72) of the participants had reduced their medication or eliminated it completely (13%). Secondary outcomes were significantly lower fasting glucose levels (− 1.2±2.6 mmol/L), body weight (−4.9±5.1 kg), BMI (−1.70±1.69 kg/m2) and waist circumference (−9.4±5.0 cm). Plasma lipids remained unchanged except for a decrease in triglyceride levels. Furthermore, self-reported quality of life was significantly higher while experienced fatigue and sleep problems were significantly lower.ConclusionThis pilot study showed that a 6-month multicomponent group-based program in a routine care setting could improve glycaemic control and reduce the use of glucose lowering medication in motivated T2D diabetics. A fully scaled study is needed to confirm these results.
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