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| Source | Media | Antecedents | Findings |
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| Oghazi et al. [5] | Facebook | Privacy concerns, attitudes, and intentions | Privacy intention is the only antecedent that has a significant direct influence on users’ self-disclosure of information. By contrast, neither privacy concerns nor privacy attitude had a statistically significant influence on self-disclosure |
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| Chen et al. [6] | Social network sites, such as Sina Weibo | Attachment anxiety, attachment avoidance | Individuals with high attachment anxiety disclose less personal information on their SNS profile page, while those with high attachment avoidance show a decreased disclosure of profile image on SNS |
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| Zhang et al. [7] | WeChat | Role stress, self-presentation, relationship maintenance | WeChat users improve self-disclosure by maintaining relationships and presenting themselves positively in response to role stress |
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| Li et al. [8] | Facebook | Social awareness | Promotion-focused privacy behaviour (i.e., self-disclosure) is primarily determined by a promotion-related factor (benefits of social awareness), whereas prevention-focused ones (i.e., privacy management strategies) are primarily determined by prevention-related factors such as privacy concerns |
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| Walsh et al. [9] | Facebook | Perceived network responsiveness | People who perceived their Facebook network as more responsive self-disclosed more openly on Facebook |
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| Mouakket and Sun [10] | Social network sites, such as Renren | Perceived usefulness, habit, subjective norms | Perceived usefulness and habit have positive effects on information disclosure, while the effect of subjective norms on information disclosure is not significant |
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| Mouakket [11] | Snapchat, WhatsApp, and Skype | Entertainment and perceived escapism. Social interaction and social influence. Information sharing and perceived usefulness | Intrinsic gratifications (entertainment and escapism) and social gratifications (social interaction) have positive effects on the depth and breadth of self-disclosure via mobile instant messaging apps. Women’s self-disclosure is positively affected by social influence, while men are not influenced by this type of gratification |
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| Caci et al. [12] | Facebook | Personality traits | High extroverted and openness people tend to disclose on Facebook a significant amount of personal information, whereas high consciousness and agreeableness users are less inclined to do so |
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| Wirth et al. [13] | Social networking sites | Subjective norm, benefits, and perceived risk | Subjective norm and benefits positively affect self-disclosure, while the effect of perceived risk on self-disclosure is not significant |
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| Kroll and Stieglitz [14] | Facebook | Perceived control, trust, and perceived privacy risk | Discussing the three factors that influence self-disclosure, perceived control could be addressed more easily with digital nudges than trust or privacy risk |
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| Liu et al. [15] | WeChat | Privacy risk, perceived control, role conflict, habit, and emotion | Role conflict positively affects privacy risk, and privacy risk negatively affects self-disclosure. Role conflict negatively affects perceived control, and perceived control positively affects self-disclosure |
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| Mouakket and Sun [16] | Social networking sites | Personality traits, perceived usefulness, and perceived enjoyment, gender | Personality traits affect perceived usefulness and perceived enjoyment, which further influence information self-disclosure. There are significant gender differences |
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| Jiang et al. [17] | Online synchronous communications | Privacy concerns, social rewards | Privacy concerns negatively affect users’ self-disclosure, while social rewards positively affect self-disclosure |
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| Taddicken [18] | Social web | Privacy concerns, perceived social relevance, and the number of applications, willingness to disclose, age | Privacy concerns hardly impact self-disclosure, but perceived social relevance and the number of applications used proved important. Users’ general willingness to disclose is most important when providing sensitive information. Age negatively affects self-disclosure |
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| Cheung et al. [19] | Facebook | Social influence, perceived benefits, and perceived privacy risk | Social influence is the factor that exhibits the strongest effect on self-disclosure in social networking sites, followed by perceived benefits. Surprisingly, perceived privacy risk does not have any significant impact on self-disclosure |
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