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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Ekologiya cheloveka (Human Ecology)</journal-id><journal-title-group><journal-title xml:lang="en">Ekologiya cheloveka (Human Ecology)</journal-title><trans-title-group xml:lang="ru"><trans-title>Экология человека</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1728-0869</issn><issn publication-format="electronic">2949-1444</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">643551</article-id><article-id pub-id-type="doi">10.17816/humeco643551</article-id><article-id pub-id-type="edn">RGOJXG</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL STUDY ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Predicting Adaptation Outcomes to Occupational Load in Working-Age Men with Disabilities</article-title><trans-title-group xml:lang="ru"><trans-title>Возможность прогнозирования исходов адаптационного процесса к трудовой нагрузке у мужчин-инвалидов трудоспособного возраста</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title>劳动年龄段男性残疾人对劳动负荷适应过程结局的预测可能性</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7062-9988</contrib-id><contrib-id contrib-id-type="spin">5539-4595</contrib-id><name-alternatives><name xml:lang="en"><surname>Nagovitsyna</surname><given-names>Elena A.</given-names></name><name xml:lang="ru"><surname>Наговицына</surname><given-names>Елена Андреевна</given-names></name><name xml:lang="zh"><surname>Nagovitsyna</surname><given-names>Elena A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>elena34nv@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3772-3395</contrib-id><contrib-id contrib-id-type="spin">3899-4753</contrib-id><name-alternatives><name xml:lang="en"><surname>Vasilyeva</surname><given-names>Natalia N.</given-names></name><name xml:lang="ru"><surname>Васильева</surname><given-names>Наталья Николаевна</given-names></name><name xml:lang="zh"><surname>Vasilyeva</surname><given-names>Natalia N.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine)</p></bio><bio xml:lang="ru"><p>д-р мед. наук</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Medicine)</p></bio><email>doctornava@list.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Izhevsk State Medical Academy</institution></aff><aff><institution xml:lang="ru">Ижевская государственная медицинская академия</institution></aff><aff><institution xml:lang="zh">Izhevsk State Medical Academy</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2025-07-10" publication-format="electronic"><day>10</day><month>07</month><year>2025</year></pub-date><pub-date date-type="pub" iso-8601-date="2025-08-20" publication-format="electronic"><day>20</day><month>08</month><year>2025</year></pub-date><volume>32</volume><issue>5</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><issue-title xml:lang="zh"/><fpage>315</fpage><lpage>323</lpage><history><date date-type="received" iso-8601-date="2024-12-29"><day>29</day><month>12</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2025-06-25"><day>25</day><month>06</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Эко-Вектор</copyright-statement><copyright-statement xml:lang="zh">Copyright ©; 2025,</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://hum-ecol.ru/1728-0869/article/view/643551">https://hum-ecol.ru/1728-0869/article/view/643551</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND<italic>:</italic></bold><bold> </bold>Employment for individuals with disabilities serves not only as a means of rehabilitation and social integration but also represents a stress-inducing factor involving a combination of technogenic and socio-psychological influences. Given the specific self-perception of their status, persons with disabilities develop a dynamic system of adaptive-compensatory mechanisms in response to occupational load. Therefore, the study of labor adaptation processes should encompass not only psychosocial aspects, as emphasized in most scientific data, but also consider the functional state of the body’s regulatory systems.</p> <p><bold>AIM<italic>:</italic></bold><bold> </bold>To assess the possibility of predicting adaptation outcomes to occupational load in working-age men with disabilities.</p> <p><bold>METHODS<italic>:</italic></bold><bold> </bold>The study group consisted of 59 working-age men with disabilities. The participants underwent employment-based practice in specialized rehabilitation and habilitation centers. The assessment included the Rogers–Diamond method for socio-psychological adaptation, morphometric parameters (weight, height, vital lung capacity, blood pressure, heart rate), and cardiointervalography with analysis of wave-related parameters (SI, HF, LF, VLF, LF/HF).</p> <p><bold>RESULTS<italic>:</italic></bold> A comparative over-time analysis of cardiointervalography wave parameters revealed a statistically significant increase in the LF/HF ratio (<italic>p</italic> &lt;0.001), indicating increased strain on adaptive mechanisms and a shift in autonomic tone toward sympathetic dominance. However, the increase in the VLF% index (<italic>p</italic>=0.045), recorded during further analysis, indicated the involvement of suprasegmental regulation of visceral functions. No significant changes were observed in socio-psychological adaptation. Morphometric parameters were assessed in relation to a composite index of regulatory system strain, determined after occupational load based on cardiointervalography data. ROC curve analysis was used to identify critical threshold values for age and body mass index in individuals with disabilities. Accordingly, these parameters can be regarded as predictors of unfavorable regulatory system responses to occupational exposure. Thus, if a person with a disability is employed at the age of 35 years or older, there is an 80% probability (<italic>p</italic>=0.005) of developing strain on adaptive mechanisms mechanisms as a response to occupational exposure. A similar correlation was identified with respect to body mass index: if, upon employment, the BMI is equal to or exceeds 26, there is an 80% probability (<italic>p</italic>=0.004) that an employed individual with a disability will develop autonomic imbalance.</p> <p><bold>CONCLUSION<italic>:</italic></bold> The study identified specific features of adaptive responses to occupational load in working-age men with disabilities. The obtained data can be used to predict strain on the regulatory systems of internal organs in response to occupational exposure, as well as, from a practical standpoint, to design an effective work-rest schedule, weekly work timetable, and to determine the appropriate level of occupational load. A comprehensive biopsychosocial approach is required for a thorough evaluation of adaptive mechanisms, ensuring that employment serves a rehabilitative role for individuals with disabilities and delivers cost-effective results for employers.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование. </bold>Трудоустройство для инвалидов — не только<bold> </bold>путь реабилитации и интеграции в общество, но и стрессогенная нагрузка с комплексом техногенных и социально-психологических влияний. С учётом особого самоощущения своего статуса у людей с инвалидностью формируется динамическая система адаптационно-приспособительных механизмов к трудовой нагрузке. Именно поэтому изучение процессов адаптации к труду должно включать не только психосоциальные аспекты, как это описано в большинстве литературных источников, но и учитывать состояние регуляторных систем организма.</p> <p><bold>Цель. </bold>Изучить возможность прогнозирования исходов адаптационного процесса к трудовой нагрузке у мужчин-инвалидов трудоспособного возраста.</p> <p><bold>Материалы и методы. </bold>Группа<bold> </bold>исследования состояла из<bold> </bold>59 мужчин-инвалидов трудоспособного возраста. Респонденты проходили трудовую практику в специально созданных центрах трудовой реабилитации и абилитации. Определяли уровень социально-психической адаптации по методике Роджерса–Даймонда, морфометрические показатели (вес, рост, жизненная ёмкость лёгких, артериальное давление, пульс), кардиоинтервалы с анализом динамики волновых показателей (SI, HF, LF, VLF, LF/HF).</p> <p><bold>Результаты</bold>. При сравнении волновых показателей кардиоинтервалографии в динамике было выявлено статистически значимое изменение показателя LF/HF (<italic>p</italic> &lt;0,001) в сторону увеличения, что свидетельствует о напряжении адаптационных механизмов и смещении вегетативной тонуса в сторону симпатических влияний. Но динамическое увеличение показателя VLF% (<italic>p</italic>=0,045), зафиксированное при дальнейшем анализе, показало подключение надсегментарной регуляции функций внутренних органов. Исследование социально-психологической адаптации не выявило существенных изменений. Оценка показателей морфометрии проводилась в зависимости от комплексного показателя напряжения систем регуляции, определённого после применения трудовой нагрузки по данным анализа кардиоинтрвалографии. Анализ производили при помощи построения ROC-кривых, что выявило критические значения возраста и индекса массы тела у человека с инвалидностью. Следовательно, данные показатели являются предикторами неблагоприятной реакции регуляторных систем на воздействие труда. Так, если при трудоустройстве человека с инвалидностью его возраст будет равен или выше 35 лет, то с вероятностью 80% (<italic>p</italic>=0,005) возможно предполагать напряжение адаптационных механизмов как реакцию на воздействие труда. Аналогичная зависимость выявлена в отношении индекса массы тела: если при поступлении на работу его значение будет равняться или превышать 26, то с вероятностью 80% (<italic>p</italic>=0,004) у работающего инвалида возникнет вегетативный дисбаланс.</p> <p><bold>Заключение</bold>. Выявлены особенности адаптационных механизмов у мужчин-инвалидов к трудовой нагрузке. Полученные данные можно применять для прогнозирования напряжения регуляторных систем внутренних органов на трудовое воздействие, а также с практической точки зрения для составления эффективного режима труда и отдыха, графика рабочей недели и определения уровня трудовой нагрузки. Комплексный биопсихосоциальный подход необходим для полной оценки адаптационных механизмов, чтобы трудоустройство для человека с инвалидностью имело реабилитационный характер, а для работодателя — экономически оправданный эффект.</p></trans-abstract><trans-abstract xml:lang="zh"><p><bold>论证</bold>。对残疾人而言，就业不仅是康复和融入社会的重要途径，也是一种伴随多种技术性和社会心理因素的应激性负荷。鉴于残疾人对自身身份的特殊感知，逐步形成了一套针对劳动负荷的动态适应性调节机制。因此，劳动适应过程的研究不仅应涵盖社会心理层面，如多数文献所述，还应综合评估机体调节系统的状态。</p> <p><bold>目的</bold>。探讨预测劳动年龄段男性残疾人对劳动负荷适应过程结局的可能性。</p> <p><bold>材料与方法</bold>。研究对象为59名劳动年龄段的男性残疾人。这些受试者在专门设立的职业康复与能力重建中心接受了劳动实践训练。采用罗杰斯–戴蒙德量表评估社会心理适应水平，测量形态计量指标（体重、身高、肺活量、血压、脉搏），并记录心动周期参数，分析其波动性指标（SI、HF、LF、VLF、LF/HF）。</p> <p><bold>结果</bold>。心动周期波动指标动态比较显示，LF/HF比值显著升高（p &lt; 0.001），提示适应机制处于紧张状态，植物神经张力向交感神经主导方向偏移。但在后续分析中记录到的VLF%指标的动态升高（p = 0.045），表明内脏功能的超节段调节机制开始介入。 社会心理适应性评估未见显著差异。形态计量指标的评估是根据劳动负荷后通过心动周期变异分析确定的调节系统紧张综合指标进行的。分析通过构建ROC曲线进行，结果揭示了残疾人年龄和体质指数的临界值。因此，这些指标可视为调节系统对劳动负荷产生不良反应的预测因子。因此，如果残疾人就业时年龄达到或超过35岁，则有80%的概率（p = 0.005）可预测其适应机制将出现紧张反应，作为对劳动负荷的反应。类似的关联也见于体质指数：如果残疾人入职时其体质指数达到或超过26，则有80%的概率（p = 0.004）会出现自主神经失衡。</p> <p><bold>结论</bold>。揭示了劳动年龄段男性残疾人对劳动负荷的适应机制特征。所得数据可用于预测内脏调节系统对劳动负荷的紧张反应，并可在实践中用于制定有效的工作与休息制度、每周工作安排及劳动强度等级。全面的生物—心理—社会整合模式对于全面评估残疾人适应机制至关重要，既能确保其就业具有康复性质，也能为用人单位带来经济上的合理回报。</p></trans-abstract><kwd-group xml:lang="en"><kwd>adaptive mechanisms</kwd><kwd>disability</kwd><kwd>employment</kwd><kwd>cardiointervalography</kwd><kwd>ROC analysis</kwd><kwd>autonomic imbalance</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>механизмы адаптации</kwd><kwd>инвалид</kwd><kwd>трудоустройство</kwd><kwd>кардиоинтервалография</kwd><kwd>ROC-анализ</kwd><kwd>вегетативный дисбаланс</kwd></kwd-group><kwd-group xml:lang="zh"><kwd>适应机制</kwd><kwd>残疾人</kwd><kwd>就业</kwd><kwd>心动周期变异分析</kwd><kwd>ROC分析</kwd><kwd>自主神经失衡</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Mira T, Monteiro D, Costa AM, et al. 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