Methods The sample for this survey study was drawn from the NORC AmeriSpeak panel, a probability-based panel designed to be representative of the US household population.3 A stratified sample was selected based on age, race and ethnicity, gender, and education. Surveys were conducted online and...
Smartphone ownership in the U.S. 2015-2023, by age group Published by Federica Laricchia, Mar 22, 2024 Smartphone ownership in the United States is most common in the younger age groups. 97 percent of adults aged 18 to 49 own a smartphone, while the penetration rate of smartphones amo...
and participation in social distancing practices. To assess perceptions of the prevalence of COVID-19, participants were asked:Thinking of the U.S. as a whole, what percentage of the population has tested positive for COVID-19?and
In 2021, 93 percent of the U.S. population were aware of Facebook, an all-time high and still improving on years of consistently high ranking in this area. In December 2023, Facebook had over 237 million unique visitors from the United States, making it the fourth most popular multi-...
Differences delineated by city are included in eFigure 1 in Supplement 1. At the population level, the model predicted between 974 and 2175 additional overdose deaths per 10 000 people experiencing homelessness who inject drugs, depending on the city, in the continual involuntary displacement ...
Importantly, because no ancestry group is homogenous, when individuals are compared directly to other individuals in their assigned population group, a dependence between admixture fraction and PRS can result. This dependence is removed by the described PCA calibration method, and the resulting ...
The aim of this study was to determine whether handgrip strength attenuates the negative relationship between age and olfactory function in a representative US population sample 40 years old and over. A cross-sectional study was performed with 2861
3,013 US adults ages 18+ were surveyed online during February 19-24, 2021. Data was weighted to reflect their proportions in the population based on the March 2020 Current Population Survey by the US Census Bureau. Weighting variables include age, gender, race/ethnicity, education, region, ...
Title and abstract screening was conducted by a primary reviewer; studies meeting a broad list of inclusion criteria were coded as “yes” (HIV-infected or at-risk population, conducted in US, behavioral intervention, study population with mean age greater than 17 years and/or less than 30 yea...
Refugee population worldwide 2023, by sending and host country Acquisition of Italian citizenship 2011-2020 Italy: average migrant arrivals per day 2016 Italy: Nigerian women registered in Sicily landing points Italy Number of relocated migrants in Italy 2018 Italy: internal net migration rate 2015...