According to Your Textbookã¢â‚¬â„¢s Research Review Dispositional Optimism Is Perhaps Best Regarded as a

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The Impacts of Dispositional Optimism and Psychological Resilience on the Subjective Well-Being of Burn Patients: A Structural Equation Modelling Assay

• Rong Cao,
• Ziqi Feng,
• Hao Guan ,
• Jiaxi Peng

The Impacts of Dispositional Optimism and Psychological Resilience on the Subjective Well-Being of Burn Patients: A Structural Equation Modelling Assay

• Fei He,
• Rong Cao,
• Ziqi Feng,
• Hao Guan,
• Jiaxi Peng

ten

• Published: Dec 17, 2013
• https://doi.org/10.1371/journal.pone.0082939

Figures

Abstract

Burn down wounds are severely stressful events that tin take a significant impact on the mental health of patients. Nevertheless, the bear on of burns on individuals with different personality traits can be different. The present study aimed to investigate the touch of dispositional optimism on the subjective well-existence of fire patients, and mainly focused on the confirmation of the mediator role of psychological resilience. 410 burn patients from five full general hospitals in Xi'an achieved the revised Life Orientation Test, Connor-Davidson Resilience Scale, and Subjective Well-Beingness (SWB) scale. The results revealed that both dispositional optimism and psychological resilience were significantly correlated with SWB. Structural equation modelling indicated that psychological resilience partially mediated the relationship betwixt dispositional optimism and SWB. The current findings extended prior reports and shed some light on how dispositional optimism influenced SWB. Limitations of the written report were considered and suggestions for future studies were also discussed.

Citation: He F, Cao R, Feng Z, Guan H, Peng J (2013) The Impacts of Dispositional Optimism and Psychological Resilience on the Subjective Well-Being of Burn Patients: A Structural Equation Modelling Assay. PLoS Ane 8(12): e82939. https://doi.org/10.1371/journal.pone.0082939

Editor: Ioannis P. Androulakis, Rutgers Academy, The states of America

Received: September twenty, 2013; Accustomed: November 6, 2013; Published: Dec 17, 2013

This is an open-admission article, free of all copyright, and may exist freely reproduced, distributed, transmitted, modified, built upon, or otherwise used past anyone for whatsoever lawful purpose. The work is made available under the Artistic Commons CC0 public domain dedication.

Funding: This report was supported by Social Science foundation of the People'southward Republic of Communist china (13XRK004), Natural Science Grant of Shann'xi Province (2012K18-03-06), and Social Scientific discipline fund of Red china (13BGL074). The funders had no part in study pattern, data collection and assay, decision to publish, or preparation of the manuscript.

Competing interests: The authors have declared that no competing interests be.

Introduction

With the gradual shift from biomedical models to biopsychosocial models, the interest in on patient well-being every bit a research expanse has increased, and modern medicine now is now focused on improving the quality of life while prolonging the lifespan of patients [one]–[4]. Burn wounds are a serious cause of stress and can significantly touch on the mental health of patients. Statistics indicate that x to 44% of fire patients feel diverse forms of psychological symptoms or disorders during early on trauma, 30 to 40% of patients go along to suffer meaning long-lasting psychological disorders, and the incidence of post-traumatic stress disorder (PTSD) among burn patients ranges from 7 to 45% [five]–[vii]. However, the effect of burns on individuals with different personality traits may vary. Using the Eysenck Personality Questionnaire, Holeva and Tarrier'south survey of 256 burn down patients revealed that individuals exhibiting neuroticism and depression extraversion experienced high levels of anxiety; they constitute a strong correlation between private anxiety levels and the occurrence of PTSD [8]. Although burn down patients experience the same traumatic effect, the psychological effects of the trauma differ co-ordinate to private personality traits. The current study presents a preliminary investigation into the effects of individual factors on the subjective well-being of burn patients, with a focus on ii variables, namely, dispositional optimism and psychological resilience.

Originally proposed by Carver and Scheier, dispositional optimism is viewed as a stable psychological quality and a positive personality trait. Information technology refers to an private's positive expectations for the future [9]. Over the by thirty years, the body of research related to dispositional optimism has get increasingly rich and diverse groups have produced a large torso of researches demonstrating correlations between dispositional optimism and subjective well-being, as well as its predictors. For instance, dispositional optimism has been found to positively correlate with self-esteem [x], [11], positive emotions [12]–[15], and life satisfaction [14], [16]–[17]. Negative correlations accept besides been reported between dispositional optimism and negative emotions [fourteen]–[15], feet [18], and depression [16]–[17], [19]. These correlations accept also been documented to be valid in many longitudinal studies [20]–[21] and cross-cultural studies [22].

Researches on psychological resilience began with the written report on the responses to traumatic events. Inquiry conducted by developmental psychopathologists on the formation and development of psychological resilience in the face of adversity has contributed to our understanding of why individuals do not succumb to stressful phenomena [23]–[24]. Block defines psychological resilience every bit "an individual'due south ability to change their behaviour to adapt to irresolute environmental trends and recover from stressful situations" [25]. Every bit an private'south resources for coping with stress, psychological resilience can assistance effectively counter the negative effects of stress, and has therefore go a popular topic of enquiry in positive psychology [26]. The positive influence of psychological resilience is reflected in many means, for example, helping people recover from predictable threat [27], improving an individual's ability to adapt to life and promoting private development [28]. With the progression of inquiry on psychological resilience, researchers have discovered psychological traits that are common among individuals with loftier psychological resilience, e.g. they are always very optimistic, experience that life is total of hope, and are curious about leading new lives [29]–[30]. With regard to the protective issue of psychological resilience on mental health, studies have mostly focused on the human relationship between psychological resilience and negative mental health, such as depression, anxiety, loneliness, etc., and some researchers take also begun to focus on the relationship betwixt psychological resilience and positive mental wellness, such as life satisfaction [28]. For instance, Chinese researchers Wu et al. reported a significant positive correlation between psychological resilience and life satisfaction among the families of earthquake victims [29].

In summary, there are plenty reasons to believe that dispositional optimism and psychological resilience are positive predictors of subjective well-being, and that the two variables are positively correlated: Information technology is usually the example that an optimistic person also has high psychological resilience. However, the trilateral relationship amongst the three variables remains unclear now. Dispositional optimism is a stable psychological quality, psychological resilience is the ability to adapt to changing environments and recover from stressful situations, while subjective well-being is the overall affective and cognitive evaluation of quality of life. We hypothesize that people who have positive expectations for the future will have a stronger ability to withstand pressure and hence have a more than positive evaluation of life. Using burn patients as research subjects, this written report attempts to explore the touch on of dispositional optimism and psychological resilience on post-traumatic subjective well-beingness.

Method

ii.1 Participants and Procedure

Participants were 410 burn patients (309 men and 101 women) from five general hospitals in Xi'an. All burns were due to scalds and second-degree burnt area covered 20–40%. Patients with head and face burns were excluded. The ages of burn down patients ranged from 17 to 35, with a mean of 25.24 (SD = two.76). Questionnaires were distributed at the 2nd time when patients came to the hospital and participants completed the questionnaires in a separate room. Participants were told that they were engaging in a psychological investigation in which there were no right or incorrect answers. Appointment drove lasted three months, from March to May, 2013. All participants provided informed consent before completing the measures (guardians on the behalf of the minors signed the informed consent) and received ¥50 in compensation. The inquiry described in this newspaper meets the ethical guidelines of Xijing Hospital and has been approved by the ethics commission of the Fourth Military Medical University.

2.2 Instruments

two.2.1 Dispositional optimism (Revised Life Orientation Examination (LOT-R).

LOT-R, developed by Scheier, Carver and Bridges, is a six-item measure (plus 4 filler items) of individual differences in dispositional optimism and pessimism. Items are rated from 1(strongly disagree) to v(strongly hold) [32]. Examples of items include: "In uncertain times, I usually expect the best", "If something can go wrong for me, it will". Calibration scores are the sum of items with opposite coding of relevant items. Higher scores reflect a greater tendency to wait more positive outcomes.

2.2.2 Connor–Davidson Resilience Scale (CD-RISC).

The Connor-Davidson Resilience Scale (CD-RISC is a 25-item scale that measures the power to cope with adversity [33]. Respondents rate items on a scale from 0 (non truthful at all) to 4 (true nearly all the time), and college scores reflect greater resilience. Case items include: "I am able to suit when changes occur", "I tin can bargain with whatever comes my way" and "I tend to bounciness dorsum afterwards affliction, injury, or other hardships." A preliminary study of the psychometric backdrop of the CD-RISC in general population and patient samples supported its internal consistency, test–retest reliability, and convergent and divergent validity [33].

2.2.3 Subjective well-existence measures.

Subjective well-beingness (SWB) is viewed as people's cognitive appraisement and emotional feel of life [34]–[35]. SWB scale was developed by Diener and Suh, including 3 sub-scales measuring life satisfaction, positive and negative upshot [36]. The Satisfaction with Life Scale consists v items on a 7-signal rating scale (from 1 =  strongly disagree to 7 =  strongly agree). Example items include: "In most ways my life is close to my ideal" and "I am satisfied with my life". Scores are the sum of items with reverse coding of relevant items. Positive and negative effect scales were made up of 6 and 8 words respectively, each draw ane kind of positive or negative emotion, like "aroused", "shameful", "proud", et al. Participants were asked to reply how often they were in these emotional land on 7-point rating scale (from 1 =  not at all to 7 =  all the time).

2.3 Data Analysis and the Test of Mediating Issue

To be sure of the structural relations of the latent structured model, a ii-step procedure introduced past Anderson and Gerbing was adapted to analyses the arbitration effect [37]. Firstly, the measurement model was tested to appraise the extent to which each of the three latent variables was represented by its indicators. If the confirmatory measurement model is acceptable, then the maximum likelihood estimation would be used to examination the structural model in AMOS 17.0 program. The post-obit iv indices were used to evaluate the goodness of fit of the model: (a) Chi square statistic (χ²), (b) the Standardized Root Mean Foursquare Balance (SRMR), (c) the Root Mean Square Error of Approximation (RMSEA), and (d) the Comparative Fit Alphabetize (CFI) [38]–[39]. In this report, a model was considered to have a skilful fit if all the path coefficients were significant at the level of 0.05, SRMR was below 0.08, RMSEA was below 0.08, and CFI was 0.95 or more.

The mediating issue in the current study was tested for a significance past adopted the Bootstrap estimation procedure in AMOS. The reason for not using Sobel test, the commonly employed method for examining the statistical significance of a arbitration effect, which involves calculating the ratio of products of directly furnishings to their estimated standard error [xl], is that Sobel examination requires the products of directly effects follow a normal distribution which is always not accordance with the fact, thus resulted in the reduction of statistical efficacy [41]–[42]. The bootstrap test implemented by Preacher and Hayes tested the null hypothesis of insignificant indirect issue in another mode. It takes the researcher'south sample of size Due north and from it draws with replacement N values of independent, mediating and dependent variables to create a new sample. Repeat the option, for instance, one thousand times, and and so 1000 estimations of indirect effect estimations can be calculated [43]. The bootstrap test actually relies on the 95% confidence intervals from the empirical distribution of indirect event estimates and Mackinnon suggested that the bootstrap method yields the about authentic confidence intervals for indirect effects [42], [44].

Results

iii.1 Measurement Model

Confirmatory factor assay was used to test whether the measurement model fit the sample data adequately or non. The measurement model included iii latent constructs and 11 observed variables. An initial test of the measurement model came into being a satisfactory fit to the data: χⁱⁱ (39, N = 410) = 124.457, P<0.001; RMSEA = 0.07 and CFI = 0.957. All the factor loadings for the indicators on the latent variables were significant (P<0.001), indicating that the latent construct was well represented past its indicators.

Furthermore, as shown in table 1, correlations of the unabridged three latent variables, as dispositional optimism, psychological resilience and subjective well being (SWB) were significantly correlated with each other.

iii.2 Structural Model

In the first step, the straight issue of the predictor variable (dispositional optimism) on the dependent variable (SWB) without mediators was tested. The directly standardized path coefficient was significantly, β = 0.48, P<0.001. Then, a partially-mediated model (model one) which contained mediators (psychological resilience) and a directly path from dispositional optimism to SWB was tested. The results showed that the model not very good fit to the data, χ² (41, Northward = 410) = 136.929, P<0.001, RMSEA = 0.076, SRMR = 0.050 and CFI = 0.936. However, examination of parameter estimates revealed that the standardized path coefficient from dispositional optimism to SWB and psychological resilience, and from psychological resilience to SWB were all significant. Thus, according to the modification indices in the model 1, model ii was created by add the correlations of residual terms between resilience1 and resilience2, resilience1 and resilience2.

Later on adding the correlations of the remainder terms, the final meditational model, equally shown in Fig. ane, was analyzed. The final meditational model showed a satisfied fitness to the data according to the following indices: χ^two (39, N = 410) = 90.246, P<0.001; RMSEA = 0.058; SRMR = 0.043; and CFI = 0.964. Taken together, those results showed the important function of psychological resilience in the relationship between dispositional optimism and SWB. The result of dispositional optimism on SWB through psychological resilience was 17.nine%.

Then the mediating issue was tested by adopted the Bootstrap estimation procedure (a bootstrap sample of 1,500 was specified).As shown in table 2, the direct and indirect effects and their associated 95% conviction intervals revealed that both dispositional optimism and psychological resilience had a directly effect on SWB, in addition, dispositional optimism had an indirect result on SWB though psychological resilience.

Discussion

This study investigated the concurrent result of dispositional optimism and psychological resilience on subjective well-beingness, and examined the mediator effect of psychological resilience on the relationship between dispositional optimism and subjective well-being of fire patients. This study plant a positive relationship between optimism and SWB. This finding suggests that burn patients with high optimism are more likely to be capable of recovering from stressful situations and possess high subjective well existence.

The finding that dispositional optimism and psychological resilience tin positively influence subjective well-being is consistent with those of previous studies [14], [15], [17], [31]. Optimism is a positive psychological quality and individuals with higher dispositional optimism are more likely to have positive expectations of the time to come and view life events positively. Thus, they are highly satisfied with their life and are likely to amass more positive than negative experiences [13]–[sixteen]. Psychological resilience is a capacity to recover from frustrations [25]. Individuals with high psychological resilience tin hands adjust to the changing surround [26]. Both optimism and resilience are important components of psychological upper-case letter, which is regarded as a lasting and stable predictor of SWB [45]–[47]. Dispositional optimism and psychological resilience are therefore of import protection factors of subjective well being.

Based on prior findings, this study mainly focused on the confirmation of the mediation effect of psychological resilience between dispositional optimism and subjective well being. Dispositional optimism and psychological resilience have always been found to be associated; in particular, optimistic individuals are by and large known to be capable of recovering from frustrations [thirty]. Tugade, Fredrickson and Barrett suggested that personality traits are important factors of psychological resilience. Based on the results of the current work [48], we hypothesize that individuals with high dispositional optimism have a strong belief that good things will happen to them. They are thus convinced that a given situation is controllable, and that difficult times will be more convinced that the current situation is controllable and hard time volition certainly pass. In other words, the positive expectation of the future is an of import source of one's power to overcome the current difficulties. Thus psychological resilience partially mediates the effect of dispositional optimism on subjective well being. According to the trait congruence effects, people with loftier positive effect related qualities tend to focus and process positive stimulus [49]. With this attending preference, individuals with high optimism comprehend and view life events in a positive manner. Therefore, dispositional optimism can also influence SWB straight.

Fire patients were recruited every bit participants in the present work because their mental wellness is known to be influenced greatly past the stress resulting from their burn wounds. The results suggest that although burn patients experience the same traumatic event, those with higher dispositional optimism and stronger psychological resilience will feel niggling mental suffering and are more probable to recover. To improve the subjective well being and life quality of burn down patients, nosotros should prefer interventions that primarily focus on increasing the dispositional optimism and psychological resilience of these patients.

In sum, this study provides insights into the relationships amidst dispositional optimism, psychological resilience and subjective well existence. Dispositional optimism acts equally a protective factor by increasing the ability of an individual to recover from frustrations. Such ability has a benign effect on SWB. However, this study has certain limitations. First, personality is always dependent on civilisation. As all measures used in this study originate from western countries, some confounding cistron caused by cultural difference may be induced. Second, some contempo studies accept suggested that dispositional optimism is bidimensional and consists of optimism and pessimism factors [50], [51]. In the present study, the Cronbach's alpha coefficient for the LOT-R was just at the barely acceptable level. Because that this study is merely an initial exploration, nosotros nevertheless followed the archetype method and regarded dispositional optimism every bit unidimensional. Future studies are strongly suggested to discuss the influences of optimism and cynicism on subjective well beingness respectively. Thirdly, patients with Head and Face Burns or astringent burns were not recruited in adherence to the recommendation of the ethics committee. Nevertheless, we suppose that an private's mental structure resembles a spring, with resilience just working when the pull strength is non too powerful. An of import effect to verify in future studies is whether dispositional optimism and psychological resilience can protect individuals who endure from astringent psychological trauma or fatal frustrations.

Author Contributions

Conceived and designed the experiments: FH HG JP. Performed the experiments: FH RC HG JP. Analyzed the information: FH HG JP. Contributed reagents/materials/analysis tools: FH ZF JP. Wrote the paper: FH HG JP.

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