Table A-2.

Index of social integration: description and coding of each component

Indicator	Definition	Coding
Network size	Number of friends and relatives with whom the respondent lives or has regular contact	Recoded <5, 5–7, 8–10, 11–14, 15–19, 20–29, 30+.
Network range	Number of types of relationships in social network	One point each for spouse/partner, kids, other relatives, non-relatives; range=0–4.
Married/partner	Dummy indicating that the respondent is married or lives with a companion.
Household size
Does not live alone	Dummy indicating that the respondent does not live alone.
Number of friends	Number of close friends and neighbors with whom the respondent has weekly contact	Recoded 0, 1–2, 3–4, 5–9, 10–19, 20+.
Religious attendance	How often the respondent attends church or temple	Response categories: never, rarely, sometimes, often.
Socializing	How often the respondent socializes with friends, neighbors, or relatives.	Response categories: never, less than once a month, two to three times a month, once or twice a week, nearly daily.
Participation in social organizations	Whether respondent participates in the following activities/organizations: Group activities (e.g., singing, dancing, tai chi, or karaoke) Neighborhood association (e.g., women’s association or arts & crafts classes) Religious organization (e.g., church or temple committee) Occupational associations for farmers, fishermen, or other professional group, civic group, Lion’s Club, etc. Political association (e.g., political party) Social service groups (e.g., Lifeline, relief association, benevolent societies, charities, etc.) Village or lineage association Elderly club (e.g., Elderly Association, Evergreen Recreation Club, etc.)	One point for each type of organization in which the respondent participates; range = 0–7.