Factor Structure of Social Support and Its Relationship To Minor Psychiatric Disorders Among Japanese Adolescents

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Abstract
Although social support has been one of the preferred topics in health psychology for the past two decades, there still remains controversy about its construct and the measurement model for it. The People In Your Life (PIYL) scale, a self-report adaptation of Henderson et al.'s Interview Schedule for Social Interactions (1980), appears to be an outgrowth of the recent developments in this domain. We administered PIYL to two samples, 550 and 434 each, of Japanese adolescents and examined its factor structure, its psychometric properties and its concurrent relationship to minor psychiatric disorders. Of the original four subscales, the presence of two subscales called availability of social integration and availability of attachment was confirmed, while the remaining subscales called adequacy of social integration and adequacy of attachment were found to form one general factor of perceived adequacy. Such a three-factor model appeared to fit the data better, psychometrically more sound and externally more valid in accounting for the minor psychiatric disorders.

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