They analysed almost 100 studies (involving 400,000 people from 17 countries, including the UK) of "social contact frequency" – defined as the frequency of social interactions with others.
"Our findings show a minimal effect of social contact frequency on mortality and call into question interventions and clinical advice that simply seek to increase one's social contact frequency," said Dr Eran Shor, who led the study.
We describe and discuss the nature of e-mail use in terms of social circles; frequency, type of content and patterns of communication; relationship with other technologies and activities; motivation and interactive experiences.
The initial model for both groups showed that subjective happiness would be explained by the variables social support, frequency and diversity of activities, economic situation assessment, health assessment, group (rural or urban area), and sex.
Indeed, family size and composition have been associated with both social contact frequency and the risk of infection with influenza and other respiratory pathogens [7], [8], [9].
Lastly, the presence of littermates during maternal separation may partly explain the absence of effects on social play frequency in pups submitted to either short or long periods of separation from their mothers [107], conversely to foals and non-human primates [45] [47].
Item responses were summed and averaged to yield a composite measure of social activity frequency.
Social support: frequency of contact with family and friends (dichotomised as monthly or less v. at least weekly), received insufficient help from family and with housework.
** Model B includes all the same terms as Model A but also includes terms to control for two measures of social isolation ( frequency of late-life social activities and social network size and their interactions with Time).
Survey items asked about respondents' knowledge of binge drinking and standard drinks, involvement in alcohol-free social activities, frequency of short-term risky drinking (binge drinking), and mean alcohol expenditure during short-term risky drinking occasions.
