A. Social engagement: F. Community:
 1. Taking vacation with others  1. Feeling part of the community
 2. Exercising/playing sports with others  2. Moves in past five years
 3. Having meals with others  3. Extent of religiosity
B. Self-assertion: G. Altruism:
 1. Importance of opinion sharing  1. Donating blood
 2. Strength of opinions  2. Donating items
 3. Confidence in social settings  3. Volunteering without pay
C. Shopping habits: H. Survey participations:
 1. Using coupons for shopping  1. Experience with online surveys
 2. Enjoying shopping online  2. Important of taking surveys
 3. Rating brand more important than price  3. Frequency of online surveys
D. Happiness and security: I. Internet and social media:
 1. Happiness with life  1. Frequency of personal emails
 2. Feeling insecure and lonely  2. Frequency of accessing Internet
 3. Concerned about cyber security  3. Time spent watching TV per day
E. Politics:
 1. Having influence on politics
 2. Government’s effectiveness
 3. Closely following the news