Table 2.

Association between demographic and clinical characteristics and SF-12 scores (N = 164).^a

	Physical function			Mental function
Variable	Expected Differenceb	95% Confidence Interval	P-Value	Expected Differenceb	95% Confidence Interval	P-Value
Age
65–74	−3.38	(−7.42, 0.65)	0.102	1.41	(−2.34, 5.17)	0.462
≥ 75	−5.03	(−9.34, −0.71)	0.024	4.35	(0.33, 8.36)	0.036
≤ 64 (Reference)	-	-	-	-	-	-
Years after Dx	−1.02	(−1.81, −0.22)	0.014	0.08	(−0.67, 0.82)	0.842
Cancer type
Prostate	8.11	(4.26, 11.97)	<0.0001	−1.60	(−5.19, 1.99)	0.384
Non-prostate (Reference)	-	-	-	-	-	-
Race
White	−1.26	(−6.24, 3.72)	0.620	0.68	(−3.96, 5.31)	0.776
Non-white (Reference)	-	-	-	-	-	-
Education
Some college	4.33	(−0.88, 9.55)	0.105	4.93	(0.08, 9.78)	0.048
College graduate	4.06	(−1.33, 9.45)	0.142	5.71	(0.70, 10.73)	0.027
Graduate degree	7.77	(2.29, 13.24)	0.006	4.73	(−0.37, 9.83)	0.071
High school or less (Reference)	-	-	-	-	-	-
Marital status
Married	−2.27	(−6.61, 2.07)	0.307	5.28	(1.24, 9.32)	0.011
Not married (Reference)	-	-	-	-	-	-
Comorbidity scores
≥ 2	−6.55	(−9.70, −3.40)	<0.0001	−6.11	(−9.04, −3.18)	<0.0001
0–1 (Reference)	-	-	-	-	-	-
Surgery within 1 Year
Yes	3.54	(−1.49, 8.57)	0.170	−0.24	(−4.92, 4.44)	0.921
No (Reference)	-	-	-	-	-	-
Surgery after 1 Year
Yes	4.84	(−1.88, 11.57)	0.160	−3.54	(−9.80, 2.71)	0.269
No (Reference) Other Treatment within 1 Year	-	-	-	-	-	-
Yes	0.74	(−2.92, 4.39)	0.693	−1.73	(−5.13, 1.67)	0.321
No (Reference)	-	-	-	-	-	-
Other treatment after 1 Year
Yes	2.88	(−0.47, 6.22)	0.094	1.52	(−1.59, 4.64)	0.339
No (Reference)	-	-	-	-	-	-

^aExcludes patients with missing age, years after diagnosis, education, marital status, and scores.

^bAdjusted for all variables in table.