Fig. 1From: Psychometric properties of the medical outcomes study: social support survey among methadone maintenance patients in Ho Chi Minh City, Vietnam: a validation studyConfirmatory factor analysis for the four-factor model of the MOS-SSS. (a) Correlations between the factors (MOS-SSS subscales); (b) The MOS-SSS factors (MOS-SSS subscales); (c) Standardized factor loading; (d) The MOS-SSS item; (e) Error varianceBack to article page