The Association Between the Socioeconomic Status and Thyroid Cancer Prevalence; Based on the Korean National Health and Nutrition Examination Survey 2010-2011

Choi, Seong-Woo; Ryu, So Yeon; Han, Mi-Ah; Park, Jong

doi:10.3346/jkms.2013.28.12.1734

Cited by 28 publications

(21 citation statements)

References 32 publications

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“…Previous studies have indicated a higher risk of thyroid cancer in individuals with a higher socioeconomic status [ 31 , 32 ]. Such observations may be explained by the increased medical radiation exposure and diet with more energy intake, which may in turn, lead to elevated body mass and consequently increased risk of thyroid cancer [ 33 ].…”

Section: Discussionmentioning

confidence: 99%

Time trends and age-period-cohort analyses on incidence rates of thyroid cancer in Shanghai and Hong Kong

Xie

Chen²,

Zhang

et al. 2014

BMC Cancer

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BackgroundIncreasing incidence rates of thyroid cancer have been noted worldwide, while the underlying reasons remain unclear.MethodsUsing data from population-based cancer registries, we examined the time trends of thyroid cancer incidence in two largest cities in China, Shanghai and Hong Kong, during the periods 1973–2009 and 1983–2011, respectively. We further performed age-period-cohort analyses to address the possible underlying reasons for the observed temporal trends.ResultsWe observed continuous increases in the incidence rates of thyroid cancer in Shanghai and Hong Kong, since the 1980s, in addition to higher incidence rates in the 1970s in both sexes in Shanghai. The age-standardized incidence rate of thyroid cancer increased by 3.1% [95% confidence interval (CI): 1.0%, 5.1%] and 3.8% (95% CI: 1.9%, 5.7%) per year on average, respectively, in Shanghai men and women during the period 1973–2009, while it increased by 2.2% (95% CI: 1.5%, 2.8%) and 2.7% (1.6%, 3.8%) per year on average, respectively, in Hong Kong men and women during the period 1983–2011. We observed global changes in trends across all age groups in similar ways, in addition to varied trends across different generations (birth cohorts).ConclusionsThe increased incidence rates of thyroid cancer in these two Chinese populations during recent decades may be contributable to a combination of the introduction of more sensitive diagnostic techniques and the increasing prevalence of environmental exposures in the populations.

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Section: Discussionmentioning

confidence: 99%

Time trends and age-period-cohort analyses on incidence rates of thyroid cancer in Shanghai and Hong Kong

Xie

Chen²,

Zhang

et al. 2014

BMC Cancer

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“…To date however, few studies have empirically examined the time trends in socioeconomic patterning of NCDs. In particular, existing studies have mostly focused on outcomes such as mortality [ 13 – 15 ], self-rated health [ 16 , 17 ] and fatal diseases like cancer [ 18 , 19 ] and cardiovascular diseases including stroke [ 20 ]. Yet the extent of and the trends in socioeconomic inequality with respect to nonfatal diseases, such as arthritis and asthma, despite being one of the leading contributors to Quality-Adjusted Life-years (QALYs) lost in Korea, have received relatively little attention [ 21 ].…”

Section: Introductionmentioning

confidence: 99%

Temporal trends in educational inequalities in non-communicable diseases in Korea, 2007-2015

Kim

Nam

2017

PLoS ONE

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BackgroundSocioeconomic inequalities in non-communicable diseases are known to exist; however there is a paucity of research describing the secular trends in these inequalities. To this end, the current study aims to explore the recent time trends in social patterning of selected non-communicable diseases among Korean adults between 2007 and 2015.MethodsUsing data from the Korea National Health and Nutrition Examination Survey (KNHANES), temporal trends in socioeconomic inequalities in diabetes, arthritis, asthma and depressive symptoms were assessed across three time points. Respondents were adults aged 20 years or over (N = 47,091, 20,180 men and 26,911 women). Socioeconomic circumstance was assessed based on highest level of educational attainment. We estimated prevalence ratios with 95% confidence intervals using Poisson regression with robust variance estimation (adjusted for age, smoking status, alcohol consumption, obesity, and physical activity) separately for men and women. The magnitude of the inequalities was computed using the relative index of inequality (RII).ResultsIn men, diabetes was not associated with educational attainment, while there was evidence of a negative association in women across surveys. Similar inverse associations were found with arthritis and depressive symptoms, but these associations were less clear for asthma. RII showed a non-significant increasing trend in educational disparities in depressive symptoms. Meanwhile, relative inequalities in diabetes, arthritis and asthma have narrowed. These trends were, in general, more pronounced in women.ConclusionsThe findings of this study indicate higher burden of selected NCDs among the lower educational groups, particularly among women. In addition, our results indicated some improvements in inequalities in diabetes, arthritis and asthma in recent years. These findings have important implications for understanding the causes of social patterning of NCDs and for the targeting of effective interventions.

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“…In a previous study using a national cancer screening survey [ 21 ], breast cancer prevalence in Korea was not associated with household income, but did show an association with educational level. However, for thyroid cancer [ 17 ], which was excluded from the national cancer screening program, prevalence was significantly associated with both income and educational level.…”

Section: Discussionmentioning

confidence: 99%

“…As described in detail previously [ 17 ], all subjects were interviewed by trained examiners using a questionnaire exploring monthly household income, years of education, marital status, residential area, smoking habits, alcohol intake, physical activity, history of cancer examination, and diagnosis of breast cancer. Trained researchers measured the weight (to the nearest 0.1 kg), height, and waist circumference (both to the nearest 0.1 cm) of the subjects while they were wearing light clothing and socks.…”

Section: Methodsmentioning

confidence: 99%

Higher breast cancer prevalence associated with higher socioeconomic status in the South Korean population; Has it resulted from overdiagnosis?

et al. 2018

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Recently, breast cancer prevalence has increased in South Korea. In this study, we investigated the correlation between breast cancer prevalence and socioeconomic status. This study enrolled 27,331 people who participated in the Korean National Health and Nutrition Examination Survey (KNHANES) IV–VI (2007–2015). In addition, we obtained data from the Korean Statistical Information Service (KSIS) on the breast cancer age-standardized incidence rate (AIR), the age-standardized mortality rate (AMR), the number of women screened, and the number of newly diagnosed patients. The KHANES data showed that breast cancer prevalence was significantly associated with educational level (odds ratio [OR], 2.02; 95% confidence interval [CI], 1.08–3.77 for 10–12 vs. ≤ 6 years of education, and OR, 2.36; 95% CI, 1.10–5.06 for ≥ 13 vs. ≤ 6 years of education). However, there was no significant association of breast cancer prevalence with monthly household income. In a separate analysis of the AIR, AMR, and number of women screened for breast cancer, the AIR increased with the number of women screened, whereas the AMR did not. Furthermore, the number of newly diagnosed patients in all age groups increased over time. The present results demonstrate that the recently increased breast cancer prevalence documented in South Korea may be attributable to earlier detection rather than to a real increase in prevalence, and that breast cancer may be overdiagnosed.

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The Association Between the Socioeconomic Status and Thyroid Cancer Prevalence; Based on the Korean National Health and Nutrition Examination Survey 2010-2011

Cited by 28 publications

References 32 publications

Time trends and age-period-cohort analyses on incidence rates of thyroid cancer in Shanghai and Hong Kong

Time trends and age-period-cohort analyses on incidence rates of thyroid cancer in Shanghai and Hong Kong

Temporal trends in educational inequalities in non-communicable diseases in Korea, 2007-2015

Higher breast cancer prevalence associated with higher socioeconomic status in the South Korean population; Has it resulted from overdiagnosis?

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