Social relations: network, support and relational strain.

Arts & Humanities

• Social Relations 85%
• Social Networks 31%
• Conceptual Framework 25%
• Questionnaire 22%
• Emotion 19%
• Age Differences 16%
• Anchorage 16%
• Social Support 14%
• Gender Differences 12%

Social Sciences

• Social Relations 79%
• social network 29%
• random sample 24%
• age group 21%
• contact 17%
• age difference 13%
• health behavior 13%
• questionnaire 12%
• social support 10%
• gender-specific factors 10%

Medicine & Life Sciences

• Social Networking 100%
• Age Groups 42%
• Health Behavior 30%
• Social Support 28%
• Population 11%