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Cancer patient knowledge about and behavioral intentions after germline genome sequencing
دانش بیمار سرطانی در مورد و مقاصد رفتاری پس از تعیین توالی ژنوم ژرملاین-2021 Objectives: Germline genome sequencing (GS) is becoming mainstream in cancer diagnosis and risk
management. Identifying knowledge gaps and determinants of health behavior change intentions will
enable effective targeting of educational and management strategies to translate genomic findings into
improved cancer outcomes.
Methods: Probands diagnosed with cancer of likely genetic origin that consented to but not yet undergone
GS, and their biological relatives, completed a cross-sectional questionnaire assessing GS knowledge and
hypothetical intention to change behaviors.
Results: Probands (n = 348; 57% university educated) and relatives (n = 213; 38% university educated) had
moderate GS knowledge levels, with greater knowledge associated with higher education. Both populations
reported high behavioral change intentions, significantly associated with being female (p = 0.01) and greater
perceived importance of GS (p < 0.001), and for probands: being from English-speaking households
(p = 0.003), higher socio-economic status (p = 0.01) and greater self-efficacy (p = 0.02).
Conclusions: Increasing GS knowledge will enable realistic participant expectations surrounding germline
GS. Actual behavior change should be monitored to determine whether increased cancer risk knowledge
results in altered cancer-related behavior and ultimately, cancer outcomes.
Practice implications: Educational resources should target specific populations to ensure informed decision-
making and expectation management. Support tools facilitating and maintaining behavioral change may be
needed to achieve improved cancer patient outcomes.
© 2021 Published by Elsevier B.V. keywords: توالی ژنوم | سرطان | دانش | قصد رفتار | همبستگی | Genome sequencing | Cancer | Knowledge | Behavior intention | Correlates |
مقاله انگلیسی |
2 |
“I didn’t know what I could do”: Behaviors, knowledge and beliefs, and social facilitation after distal radius fracture
"من نمی دانستم چه کاری می توانم انجام دهم": رفتارها، دانش و باورها، و تسهیل اجتماعی پس از شکستگی رادیوس دیستال-2021 Background: Biomedical models have limitations in explaining and predicting recovery after distal radius
fracture (DRF). Variation in recovery after DRF may be related to patients’ behaviors and beliefs, factors
that can be framed using a lens of self-management. We conceptualized the self-management process
using social cognitive theory as reciprocal interactions between behaviors, knowledge and beliefs, and
social facilitation. Understanding this process can contribute to needs identification to optimize recovery.
Purpose: Describe the components of the self-management process after DRF from the patient’s perspec-
tive.
Study design: Qualitative descriptive analysis.
Methods: Thirty-one adults aged 45-72 with a unilateral DRF were recruited from rehabilitation centers
and hand surgeons’ practices. They engaged in one semi-structured interview 2-4 weeks after discon-
tinuation of full-time wrist immobilization. Data were analyzed using qualitative descriptive techniques,
including codes derived from the data and conceptual framework. Codes and categories were organized
using the three components of the self-management process.
Results: Participants engaged in medical, role, and emotional management behaviors to address multidi-
mensional sequelae of injury, with various degrees of self-direction. They described limited knowledge
of their condition and its medical management, naive beliefs about their expected recovery, and uncer-
tainty regarding safe movement and use of their extremity. They reported informational, instrumental,
and emotional support from health care professionals and a broader circle.
Conclusions: Descriptions of multiple domains of behaviors emphasized health-promoting actions beyond
adherence to medical recommendations. Engagement in behaviors was reciprocally related to partici-
pants’ knowledge and beliefs, including illness and pain-related perceptions. The findings highlight rel-
evance of health behavior after DRF, which can be facilitated by hand therapists as part of the social
environment. Specifically, hand therapists can assess and address patients’ behaviors and beliefs to sup-
port optimal recovery.
© 2021 Elsevier Inc. All rights reserved. keywords: اعتقاد | درمان دست | رفتار بهداشتی | کیفی | محیط اجتماعی | Belief | Hand therapy | Health behavior | Qualitative | Social environment |
مقاله انگلیسی |
3 |
Predicting behavior change from persuasive messages using neural representational similarity and social network analyses
پیش بینی تغییر رفتار از پیام های متقاعد کننده با استفاده از شباهت نمایشی عصبی و تجزیه و تحلیل شبکه های اجتماعی-2017 Neural activity in medial prefrontal cortex (MPFC), identified as engaging in self-related processing, predicts
later health behavior change. However, it is unknown to what extent individual differences in neural
representation of content and lived experience influence this brain-behavior relationship. We examined
whether the strength of content-specific representations during persuasive messaging relates to later behavior
change, and whether these relationships change as a function of individuals’ social network composition. In our
study, smokers viewed anti-smoking messages while undergoing fMRI and we measured changes in their
smoking behavior one month later. Using representational similarity analyses, we found that the degree to
which message content (i.e. health, social, or valence information) was represented in a self-related processing
MPFC region was associated with later smoking behavior, with increased representations of negatively valenced
(risk) information corresponding to greater message-consistent behavior change. Furthermore, the relationship
between representations and behavior change depended on social network composition: smokers who had
proportionally fewer smokers in their network showed increases in smoking behavior when social or health
content was strongly represented in MPFC, whereas message-consistent behavior (i.e., less smoking) was more
likely for those with proportionally more smokers in their social network who represented social or health
consequences more strongly. These results highlight the dynamic relationship between representations in MPFC
and key outcomes such as health behavior change; a complete understanding of the role of MPFC in motivation
and action should take into account individual differences in neural representation of stimulus attributes and
social context variables such as social network composition.
Keywords: FMRI | Health behavior | RSA | Motivation | Multivariate analyses | Smoking |
مقاله انگلیسی |
4 |
Short-term effects of social encouragement on exercise behavior: insights from Chinas Wanbu network
تأثیرات کوتاه مدت تشویق اجتماعی بر رفتار ورزشی: بینش از شبکه چینی Wanbu-2017 Objectives: The objective is to explore the short-term effects of social encouragement on
exercise behavior in China.
Study design: A longitudinal observational study.
Methods: We collected longitudinal data on exercise and social interactions through public
access to the Wanbu network, a large Chinese social network designed to encourage people
to walk more. Our data set consisted of 5010 subjects who participated in the network
between March 14, 2014, and September 4, 2015, and had at least one social interaction
recorded. The data were analyzed using linear regression models relating the number of
steps (NS) walked per day to the number of comments (NC), number of thumbs-up (NT),
and number of posts (NP) received on the previous day, while adjusting for day of week,
quarter of year, and a fixed or random subject effect, with or without a lag term (NS on the
previous day) to account for serial correlation.
Results: We found that all three social interactions have positive effects on the next days
exercise level. The estimated effect sizes can be ordered as NT > NC > NP for each of the
four models considered. The results also indicate that the participants walked less in the
first quarter than in the other three quarters and more on weekdays than on weekends,
with Monday being the most active day of a week.
Conclusion: Social encouragement has positive short-term effects on exercise behavior.
Keywords: Social media | Social network| Exercise habit | Health behavior | Longitudinal data |
مقاله انگلیسی |