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Background: Health behavior was conducive to control the COVID-19 epidemic. This study aimed to determine the differences in health behaviors and related factors among rural-urban residents in China. Methods: From February 14 to 22, 2020, the peak of COVID-19 epidemic in China, a total of 2449 participants(urban residents,1783(72.81%) and rural residents, 666 (27.19%)) were recruited by snowball sampling on WeChat and Tencent QQ social platforms. Data were collected through the Web-questionnaire guided by an information–motivation–behavioral skills model. Multiple-group structural equation model was applied to analyze the factors. Results: Rural residents had lower health behavior scores than urban residents, even after adjusting demographic characteristics (33.86 vs. 34.29, P=0.042, total score was 40). In urban and rural residents, motivation, behavioral skills and health risk stress had significant direct positive and negative influences effects on health behaviors, respectively. Information and positive perception of interventions had direct effects on health behaviors in rural residents, but not in urban residents. All the factors were mediated by behavioral skills in rural and urban residents. Conclusions: This study suggest that the government should pay attention to substantial rural-urban disparities and implement different COVID-19 prevention and intervention policies for health behaviors targeting rural and urban residents.

Background and Aim The risk and prognosis of aspiration pneumonia (AP) after endoscopic submucosal dissection (ESD) are inconsistent among studies. We aim to estimate the incidence, risk factors, and outcome of AP in patients after gastric ESD. Methods PubMed, EMBASE, Cochrane Library, and Web of Knowledge were searched for relevant articles from inception until April 2020. Data involving the incidence, risk factors, and outcomes were extracted. Pooled incidence, odds ratios (ORs), or standardized mean difference (SMD) and 95% confidence intervals (CIs) were calculated. Results Forty records involving 48 674 subjects were finally included. The pooled incidence of AP after gastric ESD was 1.9% (95% CI, 1.2–2.7) via the double arcsine transformation method and 1.6% (1.1–2.5%) via the logit transformation method. Risk factors analyses revealed that old age (OR, 2.52; 95% CI, 1.99–3.18), comorbid pulmonary disease (2.49; 1.66–3.74), comorbid cerebrovascular disease (2.68; 1.05–6.85), remnant stomach (4.91; 1.83–13.14), sedation with propofol (2.51; 1.48–4.28), and long procedural duration (count data: 5.20, 1.25–21.7; measurement data: 1.01, 1.01–1.02) were related to the occurrence of AP. Patients with AP had a longer hospital stay (SMD, 0.56; 95% CI, 0.25–0.87) than those without AP. Conclusions About 1.9% (1.2–2.7%) of the patients who receive gastric ESD may develop AP, resulting in prolonged hospital stay. More attention should be paid in patients who are older; have comorbidities such as pulmonary diseases, cerebrovascular diseases, or gastric remnant; or require a long procedural duration or deep sedation with propofol.

The 1-piece hydrophobic acrylic foldable PC IOL was not suitable for sulcus transscleral fixation because of a high incidence of PDS and pigmentary glaucoma after surgery in a Chinese population.

Background An outbreak of 2019 novel coronavirus disease(COVID-19) could cause a severe respiratory illness, which may come from Spray or ordinary contact, then pose a great threat to life. Meanwhile, epidemic may trigger excessive stress and have a terrible impact on mental health even health behaviors, especially some special individuals. So this study paved the way for psychological interventions focused on specific groups during the COVID-19 epidemic. Methods An internet survey was conducted on 2,449 residents in 20 provinces including Chongqing, Sichuan and Gansu et al, in order to collect the data of Chinese residents' perceived stress, COVID-19 awareness and health behaviors. SAS9.4 was used to analyze the relationship between health behaviors and perceived stress, and logistic regression was used to explore the influencing factors of health risk stress. Results The residents' perceived stress score was 22.25±7.2(total score was 56), and the incidence of health risk stress was 39.89% (977/2449). As perceived stress increased, the frequency of health behaviors such as washing hands and wearing a mask decreased in turn. Age, cognition of susceptibility to COVID-19, life-threaten level, cognition of the importance of home isolation, and cognition of the difference between common cold and COVID-19 were related to the occurrence of health risk stress. Conclusions There was a negative correlation between residents' health behaviors and perceived stress during the COVID-19 outbreak. It is of great significance to improve the public's awareness of the COVID-19, to provide good social support and psychological intervention for people with health risk stress and to promote their health behaviors.

As the "Internet +" strategy having been put forward, the internet and other information and communication technologies will help play more important role in Chinese economic growth. This research uses Chinese provincial panel data between 2000-2014 to study the relationship between the internet communication technology and economic growth within a Cobb-Douglas function under the Solow model. The result indicates that the development of the internet communication technology has a significant role in promoting economic growth in China. At the same time, the human capital has positive interaction effect on the adjustment between the internet and economic growth. So China should continue to increase investment on the internet communication technology and infrastructure construction, and pay more attention to personnel training to promote the sustainable development of economy in China.

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Objective. We describe the clinical manifestations of supra-large range nonperfusion area (SLRNPA) in diabetic retinopathy (DR). Methods. This was a retrospective case-control study. A total of 260 eyes of 236 patients with DR who underwent pars plana vitrectomy in the Department of Ophthalmology of Qingdao Municipal Hospital from February 2016 to June 2019 were enrolled. Fundus fluorescein angiography was performed after surgery to determine whether SLRNPA or non-SLRNPA in DR was present. All demographic and clinical data were carefully collected. Results. Forty-one eyes of 22 patients were diagnosed with SLRNPA in DR (15.77% of all eyes). Compared to non-SLRNPA, SLRNPA patients were more likely to be male and younger with earlier DR onset, a smoking history, other comorbidities, and a higher HbA1c level. SLRNPA in DR eyes exhibited more neovascular glaucoma (NVG) and diabetic keratopathy (DK) than did other eyes. Such eyes were more likely to require anti-VEGF therapy before surgery or a silicone oil or a gas tamponade during surgery and to suffer from persistent corneal epithelial erosion and NVG recurrence after surgery. Conclusions. SLRNPA in DR is a severe status of DR. Treatment for DR patients with SLRNPA is difficult, and the prognosis is poor, so clinicians must thus pay more attention to SLRNPA in DR.