Table 2.
Study-level descriptive statistics for included studies.
| Author | Country | N | %Fem. | %SCZ/SZA | %Cauc. | Mean age | Mean symps. | FTD measure | Social Fx measure | Association type | r | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tot | Pos | Neg | |||||||||||
| Bowie et al. [45] | Canada | 90 | 24.5 | 100 | 54.4 | – | – | 2.60 | 2.66 | TLC | SDS | CR-SR | −0.110 |
| TLC | SLOF-Soc | CR-CR | −0.180 | ||||||||||
| TLC | SSPA | CR-PB | −0.350 | ||||||||||
| De Sousa et al. [15] | England | 80 | 27.5 | 82.5 | 95.0 | 39.3 | 2.33 | 2.40 | 2.00 | TLC | LSNS | CR-SR | −0.541 |
| PANSS | LSNS | CR-SR | −0.572 | ||||||||||
| Gilbert [63] | United States | 40 | 30.0 | 100 | 40 | 35.6 | 2.30 | – | – | BPRS: Global FTD | GF: Social | CR-CR | −0.300 |
| SAPS: FTD | GF: Social | CR-CR | −0.350 | ||||||||||
| TDI | GF: Social | BB-CR | −0.120 | ||||||||||
| Luther, Lysaker, and Lysaker [57–59] | United States | 345 | 25 | 95 | 33.5 | 45.8 | – | 2.69 | 2.27 | PANSS | QOL:Inter | CR-CR | −0.001 |
| Moore et al. [64] | United States | 72 | 49 | 100 | 43 | 51.2 | 2.01 | 1.99 | 2.16 | EII | SSPA | BB-PB | −0.004 |
| Muralidharan et al. [65] | United States | 248 | 26 | 100 | 52.2 | 56.0 | – | 1.96 | 1.98 | TLC | SLOF-Soc | CR-CR | −0.216 |
| TLC | SSPA | CR-PB | −0.139 | ||||||||||
| TLC | UPSA-Com | CR-PB | −0.282 | ||||||||||
| Nienow [66] | United States | 56 | 25 | 100 | 34 | 41.5 | 2.40 | 2.49 | 1.46 | BPRS | AIPSS | CR-PB | −0.220 |
| Racenstein et al. [47] | United States | 59 | 34 | 100 | 66 | 30.74 | – | – | – | IPTD-Comp | SCOS-SF | BB-CR | 0.100 |
| IPTD-Prov | SCOS-SF | BB-CR | −0.190 | ||||||||||
| IPTD-Obj | SCOS-SF | BB-CR | −0.170 | ||||||||||
| Smith et al. [67] | United States | 46 | 37 | 100 | 94 | 39 | – | – | – | SAPS:FTD | QOLI-Int | CR-CR | −0.530 |
| Suttajit et al. [68] | Thailand | 199 | 47.7 | 100 | – | 37.95 | 1.93 | 2.75 | 1.90 | PANSS: | PSP | CR-CR | −0.424 |
| Tan et al. [14] | Australia | 54 | 48.1 | 100 | – | 43.35 | – | 2.01 | 2.01 | PANSS | QOLI:Soc-sbj | CR-SR | −0.090 |
| PANSS | QOLI:Fam-sbj | CR-SR | 0.100 | ||||||||||
| PANSS | QOLI:Soc-obj | CR-CR | 0.030 | ||||||||||
| PANSS | QOLI:Fam-obj | CR-CR | 0.040 | ||||||||||
| Ulas et al. [49] | Turkey | 72 | 39 | 100 | – | 35.7 | 1.94 | – | – | TLI-DT | WHOQOL-Soc | BB-CR | −0.182 |
| Yalincetin et al. [69] | Turkey | 117 | 34 | 100 | – | 36.02 | 2.38 | 2.42 | 3.00 | TLI-DT | PSP | BB-CR | −0.230 |
Abbreviations: AIPSS, Assessment of Interpersonal Problem Solving Skills; Association type: first abbreviation corresponds to type of FTD measure—BB, behaviorally based; CR, clinician rated; second abbreviation corresponds to type of social functioning measure—CR, clinician rated; PB, performance-based; SR, self-report; BPRS, Global FTD item on the Brief Psychiatric Rating Scale; %Cauc., % of sample that is Caucasian; EII, Ego Impairment Index; Fam-obj, Objective rating on Family item on QOLI; %Fem, % of sample that is female; FTD Meas, name of measure(s) used to assess FTD; GF: Social, Global Functioning: Social Scale; IPTD, Index of Positive Thought Disorder—Comp, Comprehension Subtest—Prov, Proverb Subtest—Obj, Object Sorting Subtest; LSNS, Lubben Social Network Scale; Mean symps., mean symptom; N, number of participants included in the study; Neg, mean for negative symptom item; PANSS, Conceptual Disorganization Item on the Positive and Negative Syndrome Scale; Pos, mean for positive symptom item; PSP, Personal and Social Performance Scale; QOL:Inter, Interpersonal Subscale of Quality of Life Scale; QOLI: Fam-subj, Subjective rating for Family item on QOLI; QOLI-Inter, Interpersonal domain on the Quality of Life Interview; QOLI: Soc-subj, Subjective rating for Social item on the Quality of Life Interview; SAPS-FTD, Global item for the FTD subscale of the Scale for the Assessment of Positive Symptoms; SCOS-SF, Strauss Carpenter Outcomes Scale—Social Functioning subscale; %SCZ/SZA, % of sample with schizophrenia or schizoaffective diagnosis; SDS, Sheehan Disability Scale—Social subscale; SLOF-Soc, Specific Level of Functioning Scale—Social Functioning; Soc-sbj, Subjective rating for Social item on QOLI; Soc-obj, Objective rating for Social item on QOLI; Social Fx, name of measure(s) used to assess social functioning; SSPA, Social Skill Performance Assessment; TDI, Thought Disorder Index; TLC, Thought, Language, and Communication Scale; TLI-DT Thought and Language Index—Disorganized Thinking subscale; Tot, mean total symptom item; UPSA-Comm, Communication subtest of the University of California-San Diego Performance-Based Skills Assessment: WHOQOL-Soc, World Health Organization Quality of Life Scale—Social Domain.