Microtemporal dynamics of dietary intake, physical activity, and impulsivity in adult attention-deficit/hyperactivity disorder: ecological momentary assessment study within nutritional psychiatry
Background: Increasing attention is being paid to lifestyle factors, such as nutrition and physical activity (PA), as potential complementary treatment options in attention-deficit/hyperactivity disorder (ADHD). Previous research indicates that sugar and saturated fat intake may be linked to increas...
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| Hauptverfasser: | , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
17.8.2023
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| In: |
JMIR mental health
Year: 2023, Jahrgang: 10, Pages: 1-16 |
| ISSN: | 2368-7959 |
| DOI: | 10.2196/46550 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.2196/46550 Verlag, lizenzpflichtig, Volltext: https://mental.jmir.org/2023/1/e46550 
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| Verfasserangaben: | Alea Ruf, Andreas B. Neubauer, Elena D. Koch, Ulrich Ebner-Priemer, Andreas Reif, Silke Matura |
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| 245 | 1 | 0 | |a Microtemporal dynamics of dietary intake, physical activity, and impulsivity in adult attention-deficit/hyperactivity disorder |b ecological momentary assessment study within nutritional psychiatry |c Alea Ruf, Andreas B. Neubauer, Elena D. Koch, Ulrich Ebner-Priemer, Andreas Reif, Silke Matura |
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| 520 | |a Background: Increasing attention is being paid to lifestyle factors, such as nutrition and physical activity (PA), as potential complementary treatment options in attention-deficit/hyperactivity disorder (ADHD). Previous research indicates that sugar and saturated fat intake may be linked to increased impulsivity, a core symptom of ADHD, whereas protein intake and PA may be related to reduced impulsivity. However, most studies rely on cross-sectional data that lack microtemporal resolution and ecological validity, wherefore questions of microtemporal dynamics (eg, is the consumption of foods high in sugar associated with increased impulsivity within minutes or hours?) remain largely unanswered. Ecological momentary assessment (EMA) has the potential to bridge this gap. - Objective: This study is the first to apply EMA to assess microtemporal associations among macronutrient intake, PA, and state impulsivity in the daily life of adults with and without ADHD. - Methods: Over a 3-day period, participants reported state impulsivity 8 times per day (signal-contingent), recorded food and drink intake (event-contingent), and wore an accelerometer. Multilevel 2-part models were used to study the association among macronutrient intake, PA, and the probability to be impulsive as well as the intensity of impulsivity (ADHD: n=36; control: n=137). - Results: No association between macronutrient intake and state impulsivity was found. PA was not related to the intensity of impulsivity but to a higher probability to be impulsive (ADHD: β=−.09, 95% CI −0.14 to −0.04; control: β=−.03, 95% CI −0.05 to −0.01). No evidence was found that the combined intake of saturated fat and sugar amplified the increase in state impulsivity and that PA alleviated the positive association between sugar or fat intake and state impulsivity. - Conclusions: Important methodological considerations are discussed that can contribute to the optimization of future EMA protocols. EMA research in the emerging field of nutritional psychiatry is still in its infancy; however, EMA is a highly promising and innovative approach as it offers insights into the microtemporal dynamics of psychiatric symptomology, dietary intake, and PA in daily life. | ||
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