Table 2 Linear regression coefficients (95% CIs) for cross-sectional associations of social network characteristics with global cognitive function
From: Social networks and cognitive function in older adults: findings from the HAPIEE study
Social network measure | Model 1a | Model 2b | ||
|---|---|---|---|---|
b | 95% CI | b | 95% CI | |
Network size of friends | ||||
 None | 0.01 | − 0.05, 0.06 | 0.02 | -0.03, 0.07 |
 1 or 2 | Reference | Reference | ||
 3 to 5 | 0.08 | 0.01, 0.15 | 0.08 | 0.01, 0.14 |
 More than 5 | 0.18 | 0.06, 0.30 | 0.13 | 0.02, 0.24 |
 P-trend | 0.003 | 0.036 | ||
Network size of relatives | ||||
 None | 0.00 | -0.05, 0.05 | 0.01 | −0.04, 0.06 |
 1 or 2 | Reference | Reference | ||
 3 to 5 | 0.04 | −0.02, 0.11 | 0.05 | 0.00, 0.11 |
 More than 5 | 0.16 | 0.03, 0.28 | 0.12 | 0.01, 0.24 |
 P-trend | 0.010 | 0.074 | ||
Contact frequency with friends | ||||
 No friends | −0.12 | − 0.20, − 0.05 | 0.01 | − 0.06, 0.09 |
 Less than once a month | Reference | Reference | ||
 About once a month | 0.06 | 0.01, 0.12 | 0.04 | −0.01, 0.08 |
 Several times a month | 0.02 | −0.03, 0.08 | 0.01 | −0.05, 0.06 |
 About once a week | 0.01 | −0.04, 0.07 | 0.03 | −0.03, 0.08 |
 Several times a week | −0.03 | − 0.10, 0.03 | 0.01 | −0.05, 0.07 |
 P-trend | 0.490 | 0.655 | ||
Contact frequency with relatives | ||||
 No relatives | −0.01 | − 0.13, 0.11 | − 0.01 | − 0.13, 0.10 |
 Less than once a month | Reference | Reference | ||
 About once a month | −0.02 | − 0.08, 0.05 | 0.00 | −0.06, 0.06 |
 Several times a month | 0.10 | 0.04, 0.17 | 0.09 | 0.03, 0.15 |
 About once a week | 0.05 | −0.01, 0.11 | 0.06 | 0.00, 0.11 |
 Several times a week | 0.05 | −0.01, 0.11 | 0.03 | −0.03, 0.08 |
 P-trend | 0.017 | 0.091 | ||
Participation in social activities | ||||
 Never or not a member | Reference | Reference | ||
 At least several times a year | 0.19 | 0.12, 0.25 | 0.07 | 0.01, 0.13 |
 Several times a month or more | 0.22 | 0.16, 0.29 | 0.10 | 0.04, 0.16 |
 P-trend | < 0.001 | < 0.001 | ||