Anxiety prevalence and its association with physical activity in patients with non-communicable diseases during COVID-19 lockdown: a cross-sectional study in Shanghai, China

• Yanyun LiShanghai Municipal Center For Disease Control Prevention
• Tianzhichao HouShanghai Jiao Tong University
• Minna ChengShanghai Municipal Center For Disease Control Prevention
• Ya MiaoShanghai Jiao Tong University
• Yeerzati YeerjangFudan University
• Chang‐Sheng ShengShanghai Jiao Tong University
• Kun XueFudan University
• Wu CuiShanghai Municipal Center For Disease Control Prevention
• Sheng ZhangShanghai Municipal Center For Disease Control Prevention
• Qinghua YanShanghai Municipal Center For Disease Control Prevention
• Jianfeng PeiFudan University
• Qinping YangShanghai Municipal Center For Disease Control Prevention
• Jingyan TianShanghai Jiao Tong University
• Wanghong XuFudan University
• Yan ShiShanghai Municipal Center For Disease Control Prevention