Table 2.

Association between social network typologies and dementia

		OR	95% CI
Social network type	Family dependent	ref
	Locally integrated	0.34*	(0.15 to 0.79)
	Locally self-contained	1.11	(0.22 to 5.68)
	Wider community focused	No dementia cases
	Private	1.15	(0.36 to 3.73)
	Non-conclusive	0.80	(0.43 to 1.51)
Age group	60–74	ref
	75–84	3.64*	(1.82 to 7.26)
	85+	6.92*	(3.08 to 15.55)
Sex	Female	ref
	Male	1.46	(0.77 to 2.75)
Ethnicity	Chinese	ref
	Malay	0.74	(0.43 to 1.26)
	Indian	0.52*	(0.30 to 0.90)
	Others	No dementia cases
Marital status	Married/cohabiting	ref
	Never married	0.57	(0.11 to 2.79)
	Widowed	1.13	(0.59 to 2.14)
	Divorced/separated	0.45	(0.13 to 1.49)
Education	Completed primary	ref
	None	0.81	(0.37 to 1.75)
	Did not complete primary	0.79	(0.38 to 1.64)
	Completed secondary	0.36*	(0.14 to 0.88)
	Completed tertiary	0.13*	(0.03 to 0.63)
Income	Yes	ref
	No	3.59*	(1.87 to 6.88)
Physical impairments	Two or below	ref
	None	1.65	(0.63 to 4.33)
	Three or more	0.90	(0.51 to 1.57)
Assets		0.90	(0.74 to 1.11)
Disability		1.06*	(1.05 to 1.08)
Constant		0.03*	(0.01 to 0.18)

*Significant given 95% CI does not contain 1.