Development Of The Positive Psychological Capital Questionnaire For Patients With Diabetic Retinopathy And Its Correlation With Quality Of Life

Objective: To develop a questionnaire for measuring the positive psychological capital of patients with diabetic retinopathy with good reliability,validity and practicability,and evaluate the status of positive psychological capital and quality of life in patients with diabetic retinopathy;Methods: On the basis of literature review and clear definition of the operational psychological capital of diabetic retinopathy patients,an initial questionnaire entry pool was formed.Through expert consultation and patient evaluation,an initial psychological capital questionnaire for diabetic retinopathy patients was formed.The items analysis of the questionnaires used the critical ration and the item-total score correlation analysis.The validity test included the content validity,the structural validity and criterion-related validity,and the reliability test included the internal consistency reliability and halfreliability.Continuous sampling was used to select 226 patients with diabetic retinopathy who had previously visited the Department of Ophthalmology and Endocrinology of the First Affiliated Hospital of China Medical University to conduct a questionnaire survey.The general data questionnaire was used to investigate the demographic and diseaserelated data of patients,the positive psychological capital questionnaire of patients with diabetic retinopathy was used to evaluate the positive psychological capital status of patients,and the quality of life status was evaluated by Visual Function-related Quality of Life Questionnaire-25.Data processing and statistical analysis were performed using SPSS23.0 software.Patients' general data,positive psychological capital and quality of life were described using mean,standard deviation,composition ratio,etc.The effect of positive psychological capital on quality of life was analyzed using Pearson correlation analysis,single factor analysis and multiple stepwise regression analysis of quality of life.Results: 1.The development of a positive psychological capital questionnaire for patients with diabetic retinopathy.After 2 rounds of expert consultation,an initial questionnaire consisting of 24 items including 4 dimensions of resilience,self-efficacy,hope,and optimism was formed.The analysis of the questionnaire items deleted 5 items that meet the criteria;the first exploratory factor analysis removed one entry that was unstable,and the second exploratory factor analysis extracted a total of 4 factors,with a cumulative contribution rate of 55.448%.The load is greater than 0.4,and there is a significant correlation between each dimension and between the dimensions and the total questionnaire(P<0.01).According to the content,they are named toughness(6 items),selfefficacy(6 items),hope(3 Items)and optimism(3 items).The content validity index of the questionnaire was 0.94,the Pearson correlation coefficient between this questionnaire and the positive psychological capital questionnaire was 0.704(P<0.001),the total Cronbach?s ? coefficient of the questionnaire was 0.835,the Cronbach?s ? coefficient of each dimension is between 0.610 and 0.790,and the halving coefficient is 0.864(P<0.01).The positive psychological capital questionnaire for patients with diabetic retinopathy includes four dimensions of resilience,self-efficacy,hope and optimism,with a total of 18 items.2.Current status of positive psychological capital and quality of life in patients with diabetic retinopathy.The positive psychological capital score of patients with diabetic retinopathy was 72.08 ± 9.42,of which 64 were 28.32% in the low group,41.59% were in the middle group and 30.09% were in the high group 68,The overall score is at a medium level.The quality of life score of patients with diabetic retinopathy was 52.10 ± 18.22,the overall health dimension score(21.90 ± 20.58)was the lowest in all dimensions,followed by the overall visual acuity(34.96 ± 20.01),in which the eye pain dimension score was the highest(78.26 ± 21.43),followed by color vision(73.34 ± 34.72),the overall quality of life score is low.3.The effect of positive psychological capital on quality of life in patients with diabetic retinopathy The Pearson correlation coefficient between positive psychological capital and quality of life in patients with diabetic retinopathy is 0.571(P<0.01);single factor analysis of quality of life showed that age,education,and marital status,Medical payment methods,monthly household income per capita,visual impairment,severity of DR,whether surgery and active psychological capital affect the quality of life are statistically significant(P<0.05),multiple stepwise regression analysis of quality of life shows that the severity of DR,Positive psychological capital,visual impairment and family monthly income per capita entered the regression equation,these 4 variables jointly predict the variation in quality of life is 51.00%.Among them,the ability to predict the severity of DR is the best,which can explain 28.60% of the variation alone,followed by positive psychological capital,which accounts for 15.70%.Conclusions: 1.The positive psychological capital questionnaire for patients with diabetic retinopathy developed in this study has good reliability and validity.2.The positive psychological capital of patients with diabetic retinopathy was at a medium level in this study,and the quality of life of patients was low.3.Positive psychological capital of patients with diabetic retinopathy is positively related to quality of life,and is an important influencing factor of quality of life.Raising the level of positive psychological capital can improve the quality of life of patients.