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Acute gastroenteritis poses a significant burden on young children, families, health care facilities and societies. Rotavirus is the most common pathogen, but rotavirus infections are vaccine preventable. Information on the epidemiology of gastroenteritis in Icelandic children has until now not been available and rotavirus vaccination is currently not offered to Icelandic infants. The objective of this study was to assess the burden of rotavirus acute gastroenteritis in young children in Iceland and determine the potential benefit of adding rotavirus vaccine to the Icelandic childhood immunization schedule. For a two-year period, children < 6 years old attending a children’s emergency department for acute gastroenteritis were recruited at the Children’s Hospital in Reykjavík, Iceland. Demographic information and Vesikari scores were registered. Stool samples were analyzed for pathogens. Duration of symptoms, treatment given, and secondary household infections were among the collected information. Annual cost of the infections in young children was estimated based on health care expenditures and lost days of parental work. 325 children were included in the study, 75% of which were ≤ 24 months old. A pathogen was identified in 80% of cases, of which rotavirus was identified in 54%. Rotavirus caused a more severe disease than other pathogens, more often leading to fluid treatment in the emergency department and admissions. Median duration of rotavirus-illness was six days and caused a median of four days lost from work by parents. The estimated annual cost of rotavirus acute gastroenteritis was €2.9 million. Rotavirus causes significant disease burden in young children. Although rarely life-threatening in high income countries, the costs for society are substantial. The inclusion of rotavirus vaccine in the national immunization schedule will reduce the disease burden and would be cost-saving in Iceland.

Monoclonal gammopathy of undetermined significance (MGUS) precedes multiple myeloma (MM). Population-based screening for MGUS could identify candidates for early treatment in MM. Here we describe the Iceland Screens, Treats, or Prevents Multiple Myeloma study (iStopMM), the first population-based screening study for MGUS including a randomized trial of follow-up strategies. Icelandic residents born before 1976 were offered participation. Blood samples are collected alongside blood sampling in the Icelandic healthcare system. Participants with MGUS are randomized to three study arms. Arm 1 is not contacted, arm 2 follows current guidelines, and arm 3 follows a more intensive strategy. Participants who progress are offered early treatment. Samples are collected longitudinally from arms 2 and 3 for the study biobank. All participants repeatedly answer questionnaires on various exposures and outcomes including quality of life and psychiatric health. National registries on health are cross-linked to all participants. Of the 148,704 individuals in the target population, 80 759 (54.3%) provided informed consent for participation. With a very high participation rate, the data from the iStopMM study will answer important questions on MGUS, including potentials harms and benefits of screening. The study can lead to a paradigm shift in MM therapy towards screening and early therapy.

Infants born small for gestational age (SGA) or preterm have increased rates of perinatal morbidity and mortality. Stressful events have been suggested as potential contributors to preterm birth (PB) and low birth weight (LBW). We studied the effect of the 2008 economic collapse in Iceland on the risks of adverse birth outcomes. The study population constituted all Icelandic women giving birth to live-born singletons from January 1(st) 2006 to December 31(st) 2009. LBW infants were defined as those weighing <2500 grams at birth, PB infants as those born before 37 weeks of gestation and SGA as those with a birth weight for gestational age more than 2 standard deviations (SD's) below the mean according to the Swedish fetal growth curve. We used logistic regression analysis to estimate odds ratios [OR] and corresponding 95 percent confidence intervals [95% CI] of adverse birth outcomes by exposure to calendar time of the economic collapse, i.e. after October 6(th) 2008. Compared to the preceding period, we observed an increased adjusted odds in LBW-deliveries following the collapse (aOR = 1.24, 95% CI [1.02, 1.52]), particularly among infants born to mothers younger than 25 years (aOR = 1.85, 95% CI [1.25, 2.72]) and not working mothers (aOR = 1.61, 95% CI [1.10, 2.35]). Similarly, we found a tendency towards higher incidence of SGA-births (aOR = 1.14, 95% CI [0.86, 1.51]) particularly among children born to mothers younger than 25 years (aOR = 1.87, 95% CI [1.09, 3.23]) and not working mothers (aOR = 1.86, 95% CI [1.09, 3.17]). No change in risk of PB was observed. The increase of LBW was most distinct 6-9 months after the collapse. The results suggest an increase in risk of LBW shortly after the collapse of the Icelandic national economy. The increase in LBW seems to be driven by reduced fetal growth rate rather than shorter gestation.

We examine the long-term relationship between economic conditions and population health in Iceland, which has experienced some economically turbulent times in the last years and decades. We use aggregate annual data for 1981-2014. We use three aggregate indicators of economic activity to proxy the economic cycle: unemployment rate, real GDP per capita, and real GDP. Life expectancy at birth, infant mortality, and total mortality as well as four cause-specific mortality rates were used as outcome measures. Our results do not suggest a statistically significant relationship between economic conditions and total mortality, infant mortality, or life expectancy. Different responses between causes of death are found, and in some instances between genders, although statistical significance is low. We do, however, find a consistent and statistically significant relationship for females aged 45-64, where economic downturns are associated with lower all-cause mortality. For the time period studied we do not find a significant relationship between economic cycles and population health, where health is proxied by mortality rates, life expectancy at birth, and infant mortality. Further studies using less extreme health outcomes, such as morbidity rates, are warranted.

Studies on the relationship between unemployment and body weight show a positive relationship between Body Mass Index (BMI) and unemployment at the individual level, while aggregate unemployment is negatively related to a population's average BMI. The aim of this study was to examine the relationship between job loss and changes in body weight following the Icelandic economic collapse of 2008. The analysis relies on a health and lifestyle survey \"Heilsa og líðan\", carried out by The Public Health Institute of Iceland in the years 2007 and 2009. The sample is a stratified random sample of 9,807 Icelanders between the ages of 18 and 79, with a net response rate of 42.1 % for individuals responding in both waves. A linear regression model was used when estimating the relationship between job loss following the economic collapse and changes in body weight. Family income and mental health were explored as mediators. Point estimates indicated that both men and women gain less weight in the event of a job loss relative to those who retained their employment. The coefficients of job loss were only statistically significant for females, but not in the male population. The results from all three models were inconsistent with results from other studies where job loss has been found to increase body weight. However, body weight has been shown to be procyclical, and the fact that the data used were gathered during a severe economic downturn might separate these results from earlier findings.

Data on the potential influence of macroeconomic recessions on maternal diseases during pregnancy are scarce. We aimed to assess potential change in prevalence of pregnancy-induced hypertensive disorders (preeclampsia and gestational hypertension) during the first years of the major national economic recession in Iceland, which started abruptly in October 2008. Women whose pregnancies resulted in live singleton births in Iceland in 2005-2012 constituted the study population (N = 35,211). Data on pregnancy-induced hypertensive disorders were obtained from the Icelandic Medical Birth Register and use of antihypertensive drugs during pregnancy, including β-blockers and calcium channel blockers, from the Icelandic Medicines Register. With the pre-collapse period as reference, we used logistic regression analysis to assess change in pregnancy-induced hypertensive disorders and use of antihypertensives during the first four years after the economic collapse, adjusting for demographic and pregnancy characteristics, taking aggregate economic indicators into account. Compared with the pre-collapse period, we observed an increased prevalence of gestational hypertension in the first year following the economic collapse (2.4% vs. 3.9%; adjusted odds ratio [aOR] 1.47; 95 percent confidence interval [95%CI] 1.13-1.91) but not in the subsequent years. The association disappeared completely when we adjusted for aggregate unemployment rate (aOR 1.04; 95% CI 0.74-1.47). Similarly, there was an increase in prescription fills of β-blockers in the first year following the collapse (1.9% vs.3.1%; aOR 1.43; 95% CI 1.07-1.90), which disappeared after adjusting for aggregate unemployment rate (aOR 1.05; 95% CI 0.72-1.54). No changes were observed for preeclampsia or use of calcium channel blockers between the pre- and post-collapse periods. Our data suggest a transient increased risk of gestational hypertension and use of β-blockers among pregnant women in Iceland in the first and most severe year of the national economic recession.

Introduction The aim of publicly-provided health care is generally not only to produce health, but also to decrease variation in health by socio-economic status. The aim of this study is to measure to what extent this goal has been obtained in various European countries and evaluate the determinants of inequalities within countries, as well as cross-country patterns with regard to different cultural, institutional and social settings. Methods The data utilized in this study provides information on 440,000 individuals in 26 European countries and stem from The European Union Statistics on Income and Living Conditions (EU-SILC) collected in 2007. As measures of income-related inequality in health both the relative concentration indices and the absolute concentration indices are calculated. Further, health inequality in each country is decomposed into individual-level determinants and cross-country comparisons are made to shed light on social and institutional determinants. Results Income-related health inequality favoring the better-off is observed for all the 26 European countries. In terms of within-country determinants inequality is mainly explained by income, age, education, and activity status. However, the degree of inequality and contribution of each determinant to inequality varies considerably between countries. Aggregate bivariate linear regressions show that there is a positive association between health-income inequality in Europe and public expenditure on education. Furthermore, a negative relationship between health-income inequality and income inequality was found when individual employee cash income was used in the health-concentration measurement. Using that same income measure, health-income inequality was found to be higher in the Nordic countries than in other areas, but this result is sensitive to the income measure chosen. Conclusions The findings indicate that institutional determinants partly explain income-related health inequalities across countries. The results are in accordance with previously published theories hypothesizing social mobility as the explanation for differences in health-income inequalities between countries and higher health-income inequality could be a result of lower income inequality.

Smoking is related to health deterioration through increased risk of various diseases. Changes in this health behavior could contribute to the documented health improvements during economic downturns. Furthermore, the reasons for changes in behavior are not well understood. We explore smoking behavior in Iceland before and after the sudden and unexpected economic crisis in 2008. Furthermore, to explore the mechanisms through which smoking could be affected we focus on the role of labor-market changes. Both real income and working hours fell significantly and economic theory suggests that such changes can affect health behaviors which in turn affect health. We use individual longitudinal data from 2007 to 2009, incidentally before and after the crisis hit. The data originates from a postal survey, collected by The Public Health Institute in Iceland. Two outcomes are explored: smoking participation and smoking intensity, using pooled ordinary least squares (OLS) and linear probability models. The detected reduction in both outcomes is not explained by the changes in labor-market variables. Other factors in the demand function for tobacco play a more important role. The most notable are real prices which increased in particular for imported goods because of the devaluation of the Icelandic currency as a result of the economic collapse.

The relationship between subjective well-being and fear of crime is well-evidenced, but the cost of crime victimization is relatively understudied. We estimate the monetary compensation needed to offset the change from non-victim to victim of burglary or assault, using the compensating income variation method on seven waves of data from the South African Social Attitude Survey conducted in 2009, 2010, 2011, 2015, 2016, 2017, and 2018. We explore the sensitivity of results to different model specifications and utility proxies, including the first-ever utilization of the personal well-being index in compensating income variation research. Results show that models using the personal well-being index have higher predictability, but they produce considerably higher willingness-to-pay or compensating income variation estimates than those using the general life satisfaction questions and the global happiness question. We find the willingness to pay to avoid suffering the consequences of burglary or assault to range between USD 1581 and USD 4242 per year for the average-income person. However, there is large heterogeneity in willingness-to-pay across income groups. The measured value of not suffering burglary or assault along with the high prevalence of victimization in South Africa highlights the substantial financial and societal impacts of crime and the urgent need for targeted policy interventions, particularly in contexts marked by significant income disparities.