Table 4. Mean adjusted^† social functioning scores across disorders with effect sizes (N = 106).

	Schizophrenia patients N = 56	Alzheimer’s disease patients N = 50	p-value	Effect size d
Behavioral social indicators
Social withdrawal, mean (SE)	10.4 (0.5)	12.3 (0.5)	0.27	0.40
Interpersonal functioning, mean (SE)	6.4 (0.4)	8.1 (0.4)	0.08	0.28
Independence-competence, mean (SE)	36.2 (0.7)	33.9 (0.8)	0.54	0.33
Independence-performance, mean (SE)	29.4 (1.1)	28.1 (1.2)	1.00	0.13
Recreational activities, mean (SE)	19.3 (1.4)	23.2 (1.6)	0.98	0.27
Pro-social activities, mean (SE)	24.8 (2.1)	28.6 (2.4)	1.00	0.18
Total SFS score, mean (SE)	111.2 (1.7)	116.5 (1.9)	0.70	0.31
Affective social indicators
Perceived social disability, mean (SE)	11.3 (0.8)	6.1 (0.9)	0.008	0.65
Rater-perceived social disability, mean (SE)	12.2 (0.8)	10.5 (1.0)	1.00	0.20
Loneliness, mean (SE)	4.6 (0.6)	2.0 (0.7)	0.21	0.41

^† Adjusted for age, sex, years of education, partner status and country. Bonferroni adjustment for multiple comparisons.