Todd Jackson

University of Macau · Department of Psychology

Unlabelled: A meta-analysis was performed to evaluate overall strengths of relation between self-efficacy (SE) and functioning (pain severity, functional impairment, affective distress) in chronic pain samples, as well as potential moderating effects of sociodemographic characteristics and methodologic factors on these associations. In sum, 86 sam...

In this research, meta-analyses were performed to evaluate associations between primary appraisals of pain as a source of threat and/or challenge on responses to (1) noxious laboratory stimuli and (2) chronic, non-cancer pain. Twenty-two laboratory pain studies comprising 2031 participants and 59 chronic pain studies based on 9135 patients were ide...

Objective: Neuroimaging studies have documented differences in neural responses to food cues in obese versus lean samples but little is known about weight status differences in responsiveness to other key features of obesogenic environments, particularly cues reflecting physical activity. To address this gap, patterns of activation related to visu...

Background: Associations between the microbiome-gut-brain axis and dementia have attracted considerable attention in research literature. This study examined the microbiome-gut-brain axis and dementia-related research from a bibliometric perspective. Methods: A search for original research and review articles on the microbiome-gut-brain axis and...

The Body Acceptance by Others Scale-2 (BAOS-2) was developed to assess overall perceived body acceptance by others. In two studies, we evaluated its structure, reliability and validity among young adults in China. In Study 1, 435 women and 322 men completed newly translated simplified Chinese versions of the BAOS-2 and Functionality Appreciation Sc...

Background: Persons with suicidality including suicidal ideation (SI), suicide plans (SP) and/or suicide attempts (SA) are at higher risk for future suicide than those without suicidality. To reduce risk of future suicide, it is important to understand symptoms of emotional distress having the strongest links with SI, SP and SA. This network analy...

Background and aims Depression often triggers addictive behaviors such as Internet addiction. In this network analysis study, we assessed the association between Internet addiction and residual depressive symptoms in patients suffering from clinically stable recurrent depressive disorder (depression hereafter). Materials and methods In total, 1,26...

Abstract The association between coronavirus disease (COVID-19) vaccine acceptance and perceived stigma of having a mental illness is not clear. This study examined the association between COVID-19 vaccine acceptance and perceived stigma among patients with recurrent depressive disorder (depression hereafter) using network analysis. Participants we...

Objective This study examined the prevalence of exposure to secondhand smoke, its correlates and its association with quality of life (QOL) among pregnant and postnatal Chinese women. Design This was a multicentre, cross-sectional study. Setting Participants were consecutively recruited from eight tertiary hospitals located in eight municipalitie...

Background Various populations have experienced significant increases in depression and decreased quality of life (QOL) during the coronavirus disease 2019 (COVID-19) pandemic. This network analysis study was designed to elucidate interconnections between particular depressive symptoms and different aspects of QOL and identify the most clinically i...

There has been no consensus about the best public health strategy for managing COVID-19 due to differences in sociocultural, political and economic contexts between countries. The central government of China has emphasized the importance of maintaining the dynamic zero-COVID policy in combating resurgences of new variants. To optimize the dynamic z...

Background: Mild cognitive impairment (MCI) is the preclinical and transitional stage between healthy ageing and dementia that may be a potential 'target' for interventions designed to delay progression to dementia. In this systematic review and meta-analysis, we assessed the prevalence of MCI worldwide in community-dwelling adults aged 50 years a...

Cross-cultural studies suggest that people typically prefer to eat familiar foods from their own culture rather than foreign foods from other cultures. On this basis, it is plausible that neural responsiveness elicited by palatable food images from one’s own culture differ from those elicited by food depictions from other cultures. Toward clarifyin...

Objectives The Coronavirus Disease 2019 (COVID-19) outbreak may have a long-term impact on mental health in the general population. This study examined inter-relationships between post-traumatic stress disorder symptoms (PTSS) and quality of life (QOL) in Wuhan residents after the COVID-19 outbreak using network approach. Methods A cross-sectional...

Although separate lines of research have evaluated pain-related biases in attention or memory, laboratory studies examining links between attention and memory for pain-related information have received little consideration. In this eye-tracking experiment, we assessed relations between pain-related attention biases (ABs) and recognition memory bias...

Background Although the Coronavirus Disease 2019 (COVID-19) has greatly impacted individuals' mental health and quality of life, network analysis studies of associations between symptoms of common syndromes during the pandemic are lacking, particularly among Macau residents. This study investigated the network structure of insomnia, anxiety, and de...

Depressive disorders and internet addiction (IA) are often comorbid. The aims of this study were to examine the network structure of IA in patients with major depressive disorders (MDD) and explore the association between IA and quality of life (QoL) in this population. This was a multicenter, cross-sectional survey. IA and QoL were assessed with t...

Background Bipolar disorders (BD) are severe mental illnesses that are often misdiagnosed or under-diagnosed. The self-report 33-item Hypomania Checklist (HCL-33) and the 33-item Hypomania Checklist – external assessment (HCL-33-EA) are well-validated scales for BD symptom detection. This study compared the network structure, central symptoms, and...

Background Fear of cancer recurrence (FCR), anxiety, and depression are common psychological disturbances that frequently occur together among cancer patients. This study investigated network connectivity between FCR, anxiety, and depressive symptoms in a large representative sample of breast cancer patients. Methods This was a multicenter, cross-...

Network analysis is an effective approach for examining complex relationships between psychiatric symptoms. This study was designed to examine item-level relationships between depressive and anxiety symptoms using network analysis in an adolescent sample and identified the most central symptoms within the depressive-anxiety symptoms network model....

Background The COVID-19 pandemic is associated with an increased risk of mental health problems including suicide in many subpopulations, but its influence on stable patients with major depressive disorder (MDD) has been studied fleetingly. This study examined the one-year prevalence of suicidality including suicidal ideation (SI), suicide plans (S...

Background Body appreciation (BA hereafter), which reflects approval, acceptance, and respect for one's body while also rejecting media-promoted appearance ideals as the only form of human beauty, is an important aspect of positive body image. Much of the BA literature has been conducted on samples from Western nations but less is known about BA or...

Although overeating increases risk for chronic illness and premature mortality, evolutionary life-history theorists posit that such behaviors arise as a potential outcome of using fast life-history strategies to function in environments that are harsh or unpredictable. To test this premise, we examined links between harsh, unpredictable living cond...

Background This study examined the extent to which the network structure of anxiety and depression among adolescents identified during the peak of the COVID-19 pandemic could be cross-validated in a sample of adolescents assessed after the COVID-19 peak. Methods Two cross-sectional surveys were conducted between February 20 and 27, 2020 and betwee...

Background: Following the initial manufacture of COVID-19 vaccines, numerous studies have investigated factors that influence people's vaccination intentions. However, no studies have examined links of vaccination attitudes with body-related attitudes, especially body appreciation. To address this gap in the literature, we conducted this study to...

Background Objectively measured differences in physical activity (PA) and sleep have been documented among people with osteoarthritis (OA) and rheumatoid arthritis (RA) compared to non-arthritic controls. However, it is not clear whether OA and RA subgroups also differ on these indexes or the extent to which distinct arthritis subgroups versus cont...

Although researchers have documented behavioral and brain structure correlates of pain resilience, associated physiological responses have received little consideration. In this study, we assessed psychophysiological differences between high (HPR), moderate (MPR), and low (LPR) pain resilience subgroups during anticipation, experiencing, and recove...

Intra-cortical myelin is a myelinated part of the cerebral cortex that is responsible for the spread and synchronization of neuronal activity in the cortex. Recent animal studies have established a link between obesity and impaired oligodendrocyte maturation vis-à-vis cells that produce and maintain myelin; however, the association between obesity...

Background: Since the Coronavirus disease 2019 (COVID-19) pandemic emerged, Internet usage has increased among adolescents. Due to this trend, the prevalence of Internet addiction disorder (IAD) may have increased within this group. This study examined the prevalence of IAD and its correlates among clinically stable adolescents with psychiatric dis...

Background: Depression has been a common mental health problem during the COVID-19 epidemic. From a network perspective, depression can be conceptualized as the result of mutual interactions among individual symptoms, an approach that may elucidate the structure and mechanisms underlying this disorder. This study aimed to examine the structure of d...

Background: Nursing students who suffer from co-occurring anxiety experience added difficulties when communicating and interacting with others in a healthy, positive, and meaningful way. Previous studies have found strong positive correlations between Internet addiction (IA) and anxiety, suggesting that nursing students who report severe IA are sus...

Studies have documented behavior differences between more versus less resilient adults with chronic pain (CP), but the presence and nature of underlying neurophysiological differences have received scant attention. In this study, we attempted to identify regions of interest (ROIs) in which resting state (Rs) brain activity discriminated more from l...

Research has demonstrated that posttraumatic stress disorder (PTSD) is associated with internet-related problematic behaviors. However, studies have not explored the linkage between PTSD symptoms and internet gaming disorder (IGD) symptoms. The current study aimed to investigate the relationship between posttraumatic stress symptoms (PTSS) and IGD...

Background: The 2019 coronavirus disease (COVID-19) pandemic has impacted the mental health and well-being of medical personnel, including nursing students. Network analysis provides a deeper characterization of symptom-symptom interactions in mental disorders. The aim of this study was to elucidate characteristics of anxiety and depressive symptom...

Background: Prevalence estimates of major depressive disorder (MDD) among adults in China have varied widely between studies. In this systematic review and meta-analysis, the overall prevalence of MDD in the Chinese population was estimated from published epidemiological studies and potential moderators that account for variability in estimates wer...

In three studies, we assessed knowledge, correlates, and effects of the A4 challenge, an expression of the thin ideal from Chinese social media. In Study 1, gender differences in familiarity with the A4 challenge were assessed among 225 women and 151 men. Compared to men, women and female peers from participant social networks were more familiar wi...

This study examined the prevalence of burnout and its association with quality of life (QOL) among psychiatric nurses in China.Ten psychiatric hospitals were included. Burnout and QOL were measured using standardized instruments. Altogether, 1449 nurses completed the assessment. The mean scores of emotional exhaustion (EE), depersonalization (DP) a...

Background Painful physical symptoms (PPS) are common in patients with major depressive disorder (MDD), but their prevalence has been mixed. This is a systematic review and meta-analysis of the pooled prevalence of PPS in MDD patients. Methods Systematic literature searches were independently conducted in major databases (PubMed, EMBASE, PsycINFO...

Background: The prevalence of post-traumatic stress symptoms (PTSS) in COVID-19 survivors is unclear. This study examined the prevalence of PTSS and its association with quality of life (QOL) among COVID-19 survivors during the post-COVID-19 era in China. Methods: This was a comparative, cross-sectional study. PTSS, depressive symptoms, and QOL wer...

Background Coronavirus disease 2019 (COVID-19) is closely associated with physical and mental health problems; however, little is known about the severity of stigma caused by COVID-19 among its survivors. Thus, the aim of this study was to compare differences in stigma experiences of COVID-19 survivors versus healthy controls after the COVID-19 out...

Restrained eating is a popular weight loss strategy for young women that tends to have limited effectiveness over extended periods of time. Although previous studies have explored and identified possible personality and behavior differences between successful and unsuccessful restrained eaters (REs), there has been a paucity of research on neurophy...

Background: This study examined the prevalence of depressive symptoms (depression hereafter) and its association with quality of life (QOL) among pregnant and postnatal women in China. Methods: In this multi-center, cross-sectional study, 1,060 pregnant and postnatal women from eight hospitals were assessed. Depression and QOL were measured using t...

Research has documented a strong association between perceived social support, posttraumatic stress symptoms (PTSS), and psychological distress (PD) among people exposed to natural disasters. However, the direction of associations between these factors remains unclear. This study examined possible mediational relationships among perceived social su...

[This corrects the article DOI: 10.3389/fpsyt.2020.549148.].

The 2019 coronavirus disease (COVID-19) is a public health emergency of international concern. In China, all schools were shut down and students were home quarantined to prevent disease spread; these steps could have potential negative effects on mental health of adolescents. This study aimed to examine changes in depression and anxiety among Chine...

Objectives The 39-item Five Facet Mindfulness Questionnaire (FFMQ) has been used extensively to evaluate mindfulness features that contribute to well-being but assessments of its factor structure and incremental validity have been limited across cultures and clinical populations. The present study was designed to (1) identify the optimal FFMQ facto...

Resilience, a personality construct that reflects capacities to persevere, maintain a positive outlook and/or thrive despite ongoing stressors, has emerged as an important focus of research on chronic pain (CP). Although behavior studies have found more resilient persons with CP experience less pain-related dysfunction than less resilient cohorts d...

Background The pattern of fatigue in older psychiatric patients during the COVID-19 outbreak was unknown. This study examined the prevalence of fatigue and its association with overall quality of life (overall QOL) in clinically stable older patients with psychiatric disorders during the COVID-19 outbreak. Methods This was a multicenter, cross-sec...

Objective: Poor mental health is associated with impaired social functioning, lower quality of life, and increased risk of suicide and mortality. This study examined the prevalence of poor general mental health among older adults (aged 65 years and above) and its sociodemographic correlates in Hebei province, which is a predominantly agricultural a...

Background Inhalation of secondhand smoke during pregnancy and postnatal period is detrimental to developing infants and increases risk for health problems throughout the lifespan. This study examined the prevalence of exposure to secondhand smoke, its correlates, and its association with QOL among pregnant and postnatal Chinese women.Methods This...

Numerous investigators have tested contentions that angry faces capture early attention more completely than happy faces do in the context of other faces. However, syntheses of studies on early event‐related potentials related to the anger superiority hypothesis have yet to be conducted, particularly in relation to the N200 posterior‐contralateral...

Background: The pattern of fatigue in older psychiatric patients during the COVID-19 outbreak was unknown. This study examined the prevalence of fatigue and its association with quality of life (QOL) in clinically stable older patients with psychiatric disorders during the COVID-19 outbreak. Methods: This is a multicenter, cross-sectional study. Fa...

Background: The pattern of fatigue in older psychiatric patients during the COVID-19 outbreak was unknown. This study examined the prevalence of fatigue and its association with overall quality of life (overall QOL) in clinically stable older patients with psychiatric disorders during the COVID-19 outbreak. Methods: This was a multicenter, cross-se...

Recent U.S. studies of musculoskeletal pain have supported the structure and construct validity of the Pain Resilience Scale (PRS) as a pain-specific measure tapping capacities to regulate cognitions and emotions as well as behavioral perseverance despite ongoing pain. However, it is not clear whether psychometric support for the PRS extends to chr...

Background: Few studies examining the effect of pain-related threat on eye movements have incorporated a measure of interpretation bias. However, theories suggest that interpretation biases also play an important role in the anticipation of harm in situations where pain could be imminent. The current study investigates the association between inter...

Resilience refers to the capacity to function well despite adversity and facilitates adaptation to various stressors, including pain. Previous studies have operationalized resilience via questionnaires or task performance behaviors that do not always correlate with one another and tested extreme (lower vs. higher) resilience subgroup differences th...

In this research, we present three studies on the development and validation of the Online Appearance-Relevant Peer Conversations Scale (OARPCS), a 12-item measure of (1) physical appearance and (2) life stressors as foci of online peer communications. In Study 1, young Chinese adults (N = 800) completed OARPCS items and measures of body image, Int...

Appearance-related media from the United States and other Western nations has been implicated in explanations of increased body images concerns among non-Western women. However, researchers have rarely examined the impact of endogenous appearance media versus Western appearance media on body image issues, particularly within longitudinal research d...

Biases in the way that people direct their attention towards or away from pain-related information are hypothesised to contribute to the onset and severity of pain-related disorders. This systematic review summarised 24 eye-tracking studies (N = 1424) examining effects of chronic pain, stimulus valence, individual differences in pain-related constr...

Recent evidence from event‐related potentials (ERPs) has identified N2 posterior contralateral (pc) amplitudes as a neural marker of early attention allocation. The N2pc has been used to evaluate attention biases (ABs) in samples with anxiety‐based problems, but its utility has yet to be considered among persons with chronic pain, another group the...

Introduction Comorbid depressive symptoms (depression thereafter) often occur in schizophrenia and are associated with negative outcomes. This meta-analysis estimated the prevalence of comorbid depression and its associated factors in schizophrenia. Methods Both international (PubMed, EMBASE, PsycINFO, and Web of Science) and Chinese (WANFANG and...

Background Clinical depression (including major depression, dysthymia, and unspecified depression) is common in children and adolescents with obesity and overweight. The objective of this systematic review and meta-analysis was to examine prevalence of clinical depression among overweight and obese children. Methods PubMed, EMBASE, Web of Science,...

Body image disturbances are widespread in highly populated, rapidly developing Asian nations such as China but there are severe shortages of practitioners qualified to treat these issues. In such contexts, validated online interventions offer a potentially viable approach for addressing the lack of treatment resources. In this study, we evaluated e...

Appearance pressure from mass media and appearance social comparisons have been implicated in theory and research on disordered eating. However, mediating effects of upward and downward appearance comparisons on associations between appearance pressure and changes in disordered eating among women versus men have not been examined within longitudina...

The Breast Size Satisfaction Survey (BSSS) was established to assess women’s breast size dissatisfaction and breasted experiences from a cross-national perspective. A total of 18,541 women were recruited from 61 research sites across 40 nations and completed measures of current-ideal breast size discrepancy, as well as measures of theorised anteced...

Background and Objectives Objectively-measured differences in physical activity (PA) and sleep have been documented in osteoarthritis (OA) or rheumatoid arthritis (RA) samples compared to non-arthritic controls. However, it is not clear whether (1) OA and RA subgroups also differ on these indexes or (2) the extent to which distinct arthritis subgro...

Objective: Few studies have investigated sex differences in brain structure associated with body mass index (BMI), and the related findings are inconsistent. In this study, we aimed to investigate the effect of sex × BMI interactions on gray matter volume (GMV), and to determine the implications of any structural differences. Methods: The final sam...