Social network analysis of Staphylococcus aureus carriage in a general youth population

Stensen, Dina B.; Cañadas, Rafael A. Nozal; Småbrekke, Lars; Olsen, Karina Standahl; Nielsen, Christopher Sivert; Svendsen, Kristian; Hanssen, Anne Merethe; Sollid, Johanna U. Ericson; Simonsen, Gunnar Skov; Bongo, Lars Ailo; Furberg, Anne‐Sofie

doi:10.1016/j.ijid.2022.08.018

Cited by 3 publications

(2 citation statements)

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“…Sex is a strong homophily variable defining friendship (84.05%), and men are friends with mostly men (72.06%) and women are friends with mostly women (72.89%). Our previous studies [65] on the data also show that men have fewer friends (3.37) on average than women (3.85) (p-value = 0.02). The homophily for solarium visitors is 68.36%, with "yes" having a homophily of 22% but not significant, and "no" having a 66% (8% lower than it should) with p-value < 0.0001.…”

Section: Similarities In Solarium Habits Among Friendsmentioning

confidence: 57%

“…Homophily, Xi² tables, and bootstrapping with 1000 simulations were used to evaluate the similarities in solarium habits using a simple t-testing for theoretical same-to-same relationships against the simulated same-to-same relationships; as we have done in previous work [65]. Logistic regression was used to compare each person’s 25OHD levels (high/low) and the number of friends with high 25OHD levels.…”

Section: Methodsmentioning

confidence: 99%

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The Social Sunshine of the Arctic Youth: Exploring friendship’s influence on Vitamin D levels

Nozal Cañadas,

Nielsen,

Furberg

et al. 2023

Preprint

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BackgroundVitamin D status correlates with 25OHD levels which depends on nutritional intake and UVB exposure. These two factors are influenced by friends, as people tend to participate in the same activities or eat a similar diet to their peers.ObjectivesInvestigate how social interactions in a general high school population above the Arctic Circle influence 25OHD levels in the population.MethodsThe Fit Futures 1 study was performed over 8 months and interview data on social contact among 1038 first-level students in 8 high schools in Northern Norway were collected. Serum levels of 25OHD were measured (n = 890). The participants filled in a questionnaire about nutritional consumption, solarium habits, ethnicity, and chronic diseases. The participant’s BMI was also measured.ResultsOnce high schools’ social biases were accounted for, only UVB radiation levels explained the differences in 25OHD levels. For non-solarium users, logistic regression analysis showed a positive correlation between a person’s 25OHD levels and the 25OHD level of friends in the general population and within the same high school for most of the schools. We saw that women can influence other women into going to the solarium, while this influence was not present for men.Conclusions25OHD levels can be influenced by social networks. This study can help to add weight to current public health recommendations due to the positive spillover effect in the network.

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Section: Similarities In Solarium Habits Among Friendsmentioning

confidence: 57%

Section: Methodsmentioning

confidence: 99%