Assessing Depression among Older Persons with Arthritis: A Nationwide Health Status Survey

Table 3

Demographic group differences on physical component summary (PCS) scores and mental component summary (MCS) scores.

SF-36 Domains	Demographic variable	Levels	𝑛	Mean	𝑡
PCS	Sex	Male	226	39.60	3.00*
		Female	254	36.64
	Age	65–74	226	39.60	3.00*
		75+	254	35.51
MCS	Sex	Male	226	49.69	0.74
		Female	254	48.76
	Age	65–74	275	50.69	2.7*
		75+	205	47.19

^∗𝑃<0.05; 𝑁=480.