TABLE 1.
Comparison of self-report IRI-PT between subgroups of five demographic categories.
| Available and missing | Descriptive statistics for subgroups | Results of t-test/ANOVA | |||||||||
| Demographic | N | Missing | Replacing | Subgroups (n) | M | SD | df | t/F | p | d/η2 | 95%CI |
| Sex | 592 | 0.0% | NA | (1) Female (386) | 12.04 | 3.71 | 590 | 0.21 | 0.836 | 0.02 | [−0.56, 0.69] |
| (2) Male (206) | 11.97 | 3.58 | |||||||||
| Ethnicity* | 591 | 0.2% | By mode | (1) Chinese Han (489) | 11.99 | 3.67 | 590 | –0.31 | 0.754 | –0.04 | [−0.91, 0.66] |
| (2) Minorities (103) | 12.12 | 3.65 | |||||||||
| Study major | 592 | 0.0% | NA | (1) Medical (389) | 11.57 | 3.66 | 590 | –4.10 | <0.001 | –0.36 | [−1.90, −0.67] |
| (2) Non-medical (203) | 12.86 | 3.54 | |||||||||
| Hukou† | 587 | 0.8% | By mode | (1) Local (236) | 12.24 | 3.72 | 590 | 1.23 | 0.218 | 0.10 | [−0.22, 0.98] |
| (2) Outlander (356) | 11.86 | 3.62 | |||||||||
| Study grade | 592 | 0.0% | NA | (1) Freshman (192) | 11.48 | 3.60 | 589 | 2.98 | 0.051 | 0.01 | / |
| (2) Sophomore (218) | 12.28 | 3.75 | |||||||||
| (3) Senior (182) | 12.26 | 3.58 | |||||||||
IRI, Interpersonal Reactivity Index; IRI-PT, the total score for IRI perspective-taking items. Hukou, a unique social term of China, records the administrative region of a Chinese’s original permanent address. For the Study grade, Freshman represents the newly entered and Grade 1 college students, Sophomore represents Grades 2 and 3 college students, and Senior represents Grades 4 and 5 college students. *There was one missing value in the Ethnicity; this missing value was replaced by the mode of ethnicity (i.e., Chinese Han). †There were five missing values in Hukou; these missing values were replaced by the mode of Hukou (i.e., Outlander).