A Systematic Review of Social Contact Surveys to Inform Transmission Models of Close-contact Infections.

Epidemiology · 2019 · PMC6684224 · PMID 31274572

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

an increasing trendno p-value reported

Since the POLYMOD survey, there has been an increasing trend in the number of social contact surveys used to collect empirical contact data.

also in 63,971 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.