Skip to main content
. 2024 Dec 13;19(12):e0315474. doi: 10.1371/journal.pone.0315474

Table 2. List of social items included in the Canadian Longitudinal Study on Aging SVI.

Item Coding Level
Socio-Demographic
1 Marital status 0 = yes; 1 = no Micro
Home Ownership
2 Home owner 0 = yes; 1 = no Micro
Education
3 Education 0 = college, university bachelor, graduate, or professional degree; 0.33 = trades or apprenticeship; 0.67 = high school; 1 = less than high school Micro
Social Networks
4 Living alone 0 = no; 1 = yes Micro
5 Child contact frequency 0 = within the last day or two or all children live in household; 0.2 = within the last week or two; 0.4 = within the past month; 0.6 = within the past 6 months; 0.8 = within the past year; 1 = more than one year ago or no children Micro
6 Siblings contact frequency 0 = within the last day or two or all siblings live in household; 0.2 = within the last week or two; 0.4 = within the past month; 0.6 = within the past 6 months; 0.8 = within the past year; 1 = more than one year ago or no siblings Micro
7 Relatives contact frequency 0 = within the last day or two or all relatives live in household; 0.2 = within the last week or two; 0.4 = within the past month; 0.6 = within the past 6 months; 0.8 = within the past year; 1 = more than one year ago or no relatives Micro
8 Friends contact frequency 0 = within the last day or two or all friends live in household; 0.2 = within the last week or two; 0.4 = within the past month; 0.6 = within the past 6 months; 0.8 = within the past year; 1 = more than one year ago or no friends Micro
9 Neighbours contact frequency 0 = within the last day or two; 0.2 = within the last week or two; 0.4 = within the past month; 0.6 = within the past 6 months; 0.8 = within the past year; 1 = more than one year ago or no neighbours Micro
Social Support Availability
10 Availability of support if confined in bed 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
11 Availability of someone to talk to if needed 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
12 Availability of someone to have advice from in crisis 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
13 Availability of someone that can take to the doctor if needed 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
14 Availability from someone that shows affection 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
15 Availability of someone to have a good time 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
16 Availability from someone that helps with information 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Meso
17 Availability of someone to confide 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
18 Availability of someone that hugs 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
19 Availability of someone to relax with 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
20 Availability of someone that prepares a meal 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
21 Availability of someone that gives wanted advice 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
22 Availability of someone to do things with 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
23 Availability of someone that helps with domestic chores 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
24 Availability of someone with whom to share fears 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
25 Availability of someone who gives suggestions 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
26 Availability of someone to do something enjoyable together 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
27 Availability of someone that understands problems 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
28 Availability of someone that makes one feel wanted 0 = all the time; 0.25 = most of the time; 0.5 = some of the time; 0.75 = a little of the time; 1 = none of the time Micro
29 Pet owner 0 = yes; 1 = no Micro
Social Participation
30 Reads newspaper 0 = yes; 1 = no Micro
31 Hobby 0 = yes; 1 = no Micro
32 Holidays in Canada 0 = yes; 1 = no Meso
33 Holidays outside of Canada 0 = yes; 1 = no Meso
34 Day trip 0 = yes; 1 = no Micro
35 Internet use 0 = yes; 1 = no Micro
36 Voted in last election 0 = yes; 1 = no Meso
37 Family and friends’ activities 0 = at least once a day; 0.25 = at least once a week; 0.5 = at least once a month; 0.75 = at least once a year; 1 = never Meso
38 Sports or physical activities 0 = at least once a day; 0.25 = at least once a week; 0.5 = at least once a month; 0.75 = at least once a year; 1 = never Micro/ Meso
39 Educational or cultural activities 0 = at least once a day; 0.25 = at least once a week; 0.5 = at least once a month; 0.75 = at least once a year; 1 = never Micro/ Meso
40 Neighbour, community or profession activities 0 = at least once a day; 0.25 = at least once a week; 0.5 = at least once a month; 0.75 = at least once a year; 1 = never Micro/ Meso
41 Volunteer 0 = at least once a day; 0.25 = at least once a week; 0.5 = at least once a month; 0.75 = at least once a year; 1 = never Micro/ Meso
42 Other recreation activities 0 = at least once a day; 0.25 = at least once a week; 0.5 = at least once a month; 0.75 = at least once a year; 1 = never Micro/ Meso
Online Social Networking
43 Internet access 0 = yes; 1 = no Micro
44 E-mail frequency 0 = daily; 0.25 = a few times a week; 0.5 = a few times a month; 0.75 = a few times a year; 1 = never Micro
45 Websites frequency 0 = daily; 0.25 = a few times a week; 0.5 = a few times a month; 0.75 = a few times a year; 1 = never Micro
46 Websites healthcare related frequency 0 = daily; 0.25 = a few times a week; 0.5 = a few times a month; 0.75 = a few times a year; 1 = never Micro
47 Use of social networks 0 = yes; 1 = no Micro/ Meso
48 Making friends in social networks frequency 0 = daily; 0.25 = a few times a week; 0.5 = a few times a month; 0.75 = a few times a year; 1 = never Micro/ Meso
49 Stay in touch with friends in social networks frequency 0 = daily; 0.25 = a few times a week; 0.5 = a few times a month; 0.75 = a few times a year; 1 = never Micro/ Meso
50 Stay in touch with family in social networks frequency 0 = daily; 0.25 = a few times a week; 0.5 = a few times a month; 0.75 = a few times a year; 1 = never Micro/ Meso
51 Promotion in social networks frequency 0 = daily; 0.25 = a few times a week; 0.5 = a few times a month; 0.75 = a few times a year; 1 = never Meso/ Exo
52 Other activities in social networks frequency 0 = daily; 0.25 = a few times a week; 0.5 = a few times a month; 0.75 = a few times a year; 1 = never Micro/ Meso
Built Environment
53 Home problems 0 = no; 1 = yes Micro
54 Home satisfaction 0 = strongly agree; 0.33 = agree; 0.67 = disagree; 1 = strongly disagree Micro
55 Feels part of the area 0 = strongly agree; 0.33 = agree; 0.67 = disagree; 1 = strongly disagree Meso/ Exo
56 Vandalism 0 = strongly disagree; 0.33 = disagree; 0.67 = agree; 1 = strongly agree Meso/ Exo
57 Feel lonely in the area 0 = strongly disagree; 0.33 = disagree; 0.67 = agree; 1 = strongly agree Micro
58 Most people trusted in the area 0 = strongly agree; 0.33 = agree; 0.67 = disagree; 1 = strongly disagree Meso/ Exo
59 Afraid to walk in the area 0 = strongly disagree; 0.33 = disagree; 0.67 = agree; 1 = strongly agree Meso
60 Friendly people in the area 0 = strongly agree; 0.33 = agree; 0.67 = disagree; 1 = strongly disagree Meso
61 People take advantage in the area 0 = strongly disagree; 0.33 = disagree; 0.67 = agree; 1 = strongly agree Meso/ Exo
62 Clean area 0 = strongly agree; 0.33 = agree; 0.67 = disagree; 1 = strongly disagree Meso/ Exo
63 Help available in the area 0 = strongly agree; 0.33 = agree; 0.67 = disagree; 1 = strongly disagree Meso/ Exo
Wealth
64 Personal income 0 = >150,000 CAD; 0.25 = 100,000–149,999 CAD; 0.5 = 50,000–99,999 CAD; 0.75 = 20,000–49,999 CAD; 1 = <20,000 CAD Micro
65 Household income 0 = >150,000 CAD; 0.25 = 100,000–149,999 CAD; 0.5 = 50,000–99,999 CAD; 0.75 = 20,000–49,999 CAD; 1 = <20,000 CAD Micro
66 Savings 0 = yes; 1 = no Micro
67 Life insurance 0 = yes; 1 = no Micro
68 Assets 0 = yes; 1 = no Micro
69 Debts 0 = no; 1 = yes Micro
70 Self-rated financial status 0 = manage very well; 0.2 = manage quite well; 0.4 = get by alright; 0.6 = don’t manage very well; 0.8 = have some financial difficulties; 1 = have severe financial difficulties Micro
71 Adequate income for basic needs 0 = very well; 0.25 = adequately; 0.5 = with some difficulty; 0.75 = not very well; 1 = totally inadequately Micro
72 Little money stops from doing things 0 = no; 1 = yes Micro
73 Insufficient financial resources in the future 0 = little or no possibility; 0.5 = some possibility; 1 = high possibility Micro
74 Leave inheritance 0 = high; 0.33 = moderate; 0.67 = low; 1 = none Micro