How does psychological distress evolve over time?This study utilizes cross-sectional data from the China General Social Survey from 2010 to 2017 to explore the differences in psychological distress among Chinese resid...How does psychological distress evolve over time?This study utilizes cross-sectional data from the China General Social Survey from 2010 to 2017 to explore the differences in psychological distress among Chinese residents at various ages,periods,and cohorts.The dummy variable method and random effects hierarchical age-period-cohort model were employed to isolate the age,period,and cohort effects that impacted the psychological distress of Chinese urban residents.First,in terms of the age effect,the psychological distress experienced by residents tends to increase initially and then decrease with age.Middle-aged individuals,around 40 years old,often face a particularly severe form of psychological distress known as the“midlife crisis.”Additionally,middle-aged people who have larger families may experience more significant psychological distress due to increased family burdens.Second,in terms of the period effect,the psychological distress experienced by residents has been on the rise due to the continued development of society.Those who are at a disadvantage in market competition and work longer hours may be particularly vulnerable to increased psychological distress.Thirdly,the cohort effect refers to the different social behaviors and attitudes exhibited by individuals of different generations.In terms of this effect,psychological distress initially decreased and then increased among those born between 1945 and 1990.Individuals born in the 1980s and 1990s experienced higher levels of psychological distress,with internet use having a greater negative impact.Additionally,the positive effect of income on their psychological distress was reduced.The psychological distress of Chinese urban residents is affected by a variety of time-related factors,which are closely related to Chinese clan culture,market competition and social changes.The heavy family burden imposed by traditional clan culture,the different working conditions created by market competition,and the emergence of new lifestyles,such as internet use during social changes,have led to diverse psychological distress experiences among residents across different ages,time periods,and cohorts.In the future,longitudinal studies are needed to strengthen the robustness of the conclusions and consider the long-term impact of the COVID-19 pandemic.Mental health support should pay specific attention to the psychological distress of middle-aged individuals,long-time workers,and internet users.展开更多
Introduction:In the past several decades,declining incidences of nasopharyngeal carcinoma(NPC) have been observed in Chinese populations in Hong Kong,Taiwan,Los Angeles,and Singapore.A previous study indicated that th...Introduction:In the past several decades,declining incidences of nasopharyngeal carcinoma(NPC) have been observed in Chinese populations in Hong Kong,Taiwan,Los Angeles,and Singapore.A previous study indicated that the incidence of NPC in Sihui County,South China remained stable until 2002,but whether age,diagnosis period,and birth cohort affect the incidence of NPC remains unknown.Methods:Age-standardized rates(ASRs) of NPC incidence based on the world standard population were examined in both males and females in Sihui County from 1987 to 2011.Joinpoint regression analysis was conducted to quantify the changes in incidence trends.A Poisson regression age-period-cohort model was used to assess the effects of age,diagnosis period,and birth cohort on the risk of NPC.Results:The ASRs of NPC incidence during the study period were 30.29/100,000 for males and 13.09/100,000 for females.The incidence of NPC remained stable at a non-significant average annual percent change of 0.2%for males and-1.6%for females throughout the entire period.A significantly increased estimated annual percent change of 6.8%(95%confidence interval,0.1%-14.0%) was observed from 2003 to 2009 for males.The relative risk of NPC increased with advancing age up to 50-59 and decreased at ages >60 years.The period effect curves on NPC were nearly flat for males and females.The birth cohort effect curve for males showed an increase from the1922 cohort to the 1957 cohort and a decrease thereafter.In females,there was an undulating increase in the relative risk from the 1922 cohort to the 1972 cohort.Conclusions:The incidence trends for NPC remained generally stable in Sihui from 1987 to 2011,with an increase from 2003 to 2009.The relative risks of NPC increased in younger females.展开更多
目的:了解中国女性1990—2019年妇科疾病负担变化趋势及其年龄、时期、队列效应,为妇科疾病的预防和控制策略的制定提供科学依据。方法:利用2019年全球疾病负担研究(Global Burden of Disease Study 2019,GBD 2019)数据,采用Joinpoint...目的:了解中国女性1990—2019年妇科疾病负担变化趋势及其年龄、时期、队列效应,为妇科疾病的预防和控制策略的制定提供科学依据。方法:利用2019年全球疾病负担研究(Global Burden of Disease Study 2019,GBD 2019)数据,采用Joinpoint回归模型分析中国妇科疾病发病率和伤残调整寿命年(disability adjusted life year,DALY)率的变化趋势,基于年龄-时期-队列模型探讨年龄、时期和队列效应对发病率和DALY率的影响,并分析经前期综合征、生殖器脱垂、子宫肌瘤、子宫内膜异位症、多囊卵巢综合征发病率和DALY率的顺位。结果:1990—2019年中国妇科疾病发病率和DALY率均呈下降趋势,平均每年分别下降0.63%(95%CI:-0.73%~-0.54%,P<0.05)和0.34%(95%CI:-0.43%~-0.24%,P<0.05)。年龄-时期-队列模型结果显示,1990—2019年中国妇科疾病发病率和DALY率的纵向年龄曲线均呈先上升后下降的趋势,在30~34岁达高峰。随着时期的推移,妇科疾病的发病风险和DALY风险均呈下降趋势,以2000—2004年为参考时期(RR=1),2015—2019年时期发病风险下降至最低(RR=0.73,95%CI:0.74~0.71)。1905—1909至1985—1989年出生队列的发病风险和DALY风险呈下降趋势,1990—1994至2000—2004年出生队列略呈上升趋势。1990和2019年常见妇科疾病中经前期综合征发病率(7245.53/10万、5695.02/10万)和DALY率(222.21/10万、197.95/10万)居于首位。结论:我国减少妇科疾病负担的工作已取得一定进展,但疾病负担仍然严重,应加强对年轻女性妇科疾病的健康宣传教育,开展有针对性的普查,提高诊断和治疗技术,继续降低我国的妇科疾病负担。展开更多
基金funded by China Studies Program and the program number is 21HTS02.
文摘How does psychological distress evolve over time?This study utilizes cross-sectional data from the China General Social Survey from 2010 to 2017 to explore the differences in psychological distress among Chinese residents at various ages,periods,and cohorts.The dummy variable method and random effects hierarchical age-period-cohort model were employed to isolate the age,period,and cohort effects that impacted the psychological distress of Chinese urban residents.First,in terms of the age effect,the psychological distress experienced by residents tends to increase initially and then decrease with age.Middle-aged individuals,around 40 years old,often face a particularly severe form of psychological distress known as the“midlife crisis.”Additionally,middle-aged people who have larger families may experience more significant psychological distress due to increased family burdens.Second,in terms of the period effect,the psychological distress experienced by residents has been on the rise due to the continued development of society.Those who are at a disadvantage in market competition and work longer hours may be particularly vulnerable to increased psychological distress.Thirdly,the cohort effect refers to the different social behaviors and attitudes exhibited by individuals of different generations.In terms of this effect,psychological distress initially decreased and then increased among those born between 1945 and 1990.Individuals born in the 1980s and 1990s experienced higher levels of psychological distress,with internet use having a greater negative impact.Additionally,the positive effect of income on their psychological distress was reduced.The psychological distress of Chinese urban residents is affected by a variety of time-related factors,which are closely related to Chinese clan culture,market competition and social changes.The heavy family burden imposed by traditional clan culture,the different working conditions created by market competition,and the emergence of new lifestyles,such as internet use during social changes,have led to diverse psychological distress experiences among residents across different ages,time periods,and cohorts.In the future,longitudinal studies are needed to strengthen the robustness of the conclusions and consider the long-term impact of the COVID-19 pandemic.Mental health support should pay specific attention to the psychological distress of middle-aged individuals,long-time workers,and internet users.
文摘Introduction:In the past several decades,declining incidences of nasopharyngeal carcinoma(NPC) have been observed in Chinese populations in Hong Kong,Taiwan,Los Angeles,and Singapore.A previous study indicated that the incidence of NPC in Sihui County,South China remained stable until 2002,but whether age,diagnosis period,and birth cohort affect the incidence of NPC remains unknown.Methods:Age-standardized rates(ASRs) of NPC incidence based on the world standard population were examined in both males and females in Sihui County from 1987 to 2011.Joinpoint regression analysis was conducted to quantify the changes in incidence trends.A Poisson regression age-period-cohort model was used to assess the effects of age,diagnosis period,and birth cohort on the risk of NPC.Results:The ASRs of NPC incidence during the study period were 30.29/100,000 for males and 13.09/100,000 for females.The incidence of NPC remained stable at a non-significant average annual percent change of 0.2%for males and-1.6%for females throughout the entire period.A significantly increased estimated annual percent change of 6.8%(95%confidence interval,0.1%-14.0%) was observed from 2003 to 2009 for males.The relative risk of NPC increased with advancing age up to 50-59 and decreased at ages >60 years.The period effect curves on NPC were nearly flat for males and females.The birth cohort effect curve for males showed an increase from the1922 cohort to the 1957 cohort and a decrease thereafter.In females,there was an undulating increase in the relative risk from the 1922 cohort to the 1972 cohort.Conclusions:The incidence trends for NPC remained generally stable in Sihui from 1987 to 2011,with an increase from 2003 to 2009.The relative risks of NPC increased in younger females.
文摘目的:了解中国女性1990—2019年妇科疾病负担变化趋势及其年龄、时期、队列效应,为妇科疾病的预防和控制策略的制定提供科学依据。方法:利用2019年全球疾病负担研究(Global Burden of Disease Study 2019,GBD 2019)数据,采用Joinpoint回归模型分析中国妇科疾病发病率和伤残调整寿命年(disability adjusted life year,DALY)率的变化趋势,基于年龄-时期-队列模型探讨年龄、时期和队列效应对发病率和DALY率的影响,并分析经前期综合征、生殖器脱垂、子宫肌瘤、子宫内膜异位症、多囊卵巢综合征发病率和DALY率的顺位。结果:1990—2019年中国妇科疾病发病率和DALY率均呈下降趋势,平均每年分别下降0.63%(95%CI:-0.73%~-0.54%,P<0.05)和0.34%(95%CI:-0.43%~-0.24%,P<0.05)。年龄-时期-队列模型结果显示,1990—2019年中国妇科疾病发病率和DALY率的纵向年龄曲线均呈先上升后下降的趋势,在30~34岁达高峰。随着时期的推移,妇科疾病的发病风险和DALY风险均呈下降趋势,以2000—2004年为参考时期(RR=1),2015—2019年时期发病风险下降至最低(RR=0.73,95%CI:0.74~0.71)。1905—1909至1985—1989年出生队列的发病风险和DALY风险呈下降趋势,1990—1994至2000—2004年出生队列略呈上升趋势。1990和2019年常见妇科疾病中经前期综合征发病率(7245.53/10万、5695.02/10万)和DALY率(222.21/10万、197.95/10万)居于首位。结论:我国减少妇科疾病负担的工作已取得一定进展,但疾病负担仍然严重,应加强对年轻女性妇科疾病的健康宣传教育,开展有针对性的普查,提高诊断和治疗技术,继续降低我国的妇科疾病负担。
