In most high‐resource countries with organized screening programs, the incidence and mortality of cervical cancer is decreasing. Recent statistics have also revealed a reduction in invasive cervical cancer incidence as a result of national vaccination programs. Paradoxically, cervical cancer incidence has increased in Japan, particularly amongst women of reproductive age. This study aimed to examine the trends in cervical cancer incidence and mortality for young and middle adult women in Japan, by analyzing trends in 10‐year interval age‐groups. Cervical cancer incidence for young and middle adult women (ages 20‐59 years) was obtained from high‐quality population‐based cancer registries in three prefectures from 1985 to 2015. National cancer mortality data were obtained from published vital statistics from 1985 to 2019. Trends in crude and age‐standardized rates (ASR) were analyzed using Joinpoint regression. The cervical cancer incidence trend in 20‐59‐year‐old women combined significantly increased over the observation period. Both crude and ASR increased from 1985 to 2015 with an annual percent change (APC) of +1.6% (95% confidence interval, 1.1, 2.1) and +1.7% (1.2, 2.3), respectively. Similar increases were seen in ages 20‐29, 30‐39, and 40‐49 years with higher APCs especially in 20s and 30s. Both crude and ASR mortality significantly increased after the early 1990s in ages 20‐59 years combined. Based on the recognition that current cervical cancer control strategies in Japan have not been effective in reducing the cervical cancer burden in young and middle adults, promotion of screening and vaccination should be urgently strengthened.
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Background Shoulder stiffness is a common health issue in Japan. During the COVID-19 pandemic, people were forced to stay home which possibly escalated the development of shoulder stiffness. We aimed to assess associations of lifestyle changes and newly developed neck and shoulder pain (NSP) during the pandemic. Methods A cross-sectional study was conducted, analyzing the data from the Japan COVID-19 and Society Internet Survey (JACSIS), an internet survey conducted from August to September 2020. Data included sociodemographic, lifestyle and health measures related to NSP during the pandemic. Multivariable logistic regression models were fitted to calculate adjusted odds ratio (AOR) with 95% confidence interval (CI) for newly developed NSP with adjustment for lifestyle, physiological and psychosocial changes. Results After exclusion of participants with existing pain, 25,482 participants (12,673 male, 12,809 female) aged 15-79 years were included in the analysis. Of these, 4.1% reported newly developed NSP. Weight gain and long sedentary time were strongly associated with the NSP (AOR (95%CI): 2.4 (2.0-2.8) and 1.81 (1.4-2.3)). Stratified analyses of 1,751 students and 4,211 teleworkers showed significant associations (AOR (95%CI): 2.1 (1.4-2.8) and 2.5 (1.9-3.2)) compared to non-workers and non-teleworkers, respectively. Conclusions Students and teleworkers became prone to NSP during the pandemic. However, factors which were associated to pain did not differ during the pandemic compared with the previous studies. Key messages Preventive measures for NSP should be taken in students and teleworkers.
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