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A statistical review of 148 studies covering over 300,000 participants found that people with stronger social relationships had which survival advantage?

AA 20% greater likelihood of survival than weakly tied people
BA 50% greater likelihood of survival than weakly tied people
CA 70% greater likelihood of survival than weakly tied people
DA 90% greater likelihood of survival than weakly tied people
Answer & Solution
Correct answer: B. A 50% greater likelihood of survival than weakly tied people
1. Social support is one of the best documented psychosocial factors affecting health outcomes. 2. A statistical review of 148 studies conducted between 1982 and 2007, involving over 300,000 participants, examined survival against strength of social ties. 3. It concluded that individuals with stronger social relationships have a 50 percent greater likelihood of survival than those with weak or insufficient relationships. 4. The researchers judged the size of that effect comparable with quitting smoking. 5. The effect also exceeded well known mortality risk factors such as obesity and physical inactivity. 6. The other figures do not match the reviewed result, and reading the effect as larger than quitting smoking overstates what was found. _Source: OpenStax Psychology (1st ed., CC BY 4.0), Ch 14 "Stress, Lifestyle, and Health", section 14.4 Regulation of Stress_
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