| Total Score of Stigma | t | df | Sig. (2-tailed) | Mean difference | 95%Confidence Interval of the Difference | |
| Lower | Upper | |||||
| Test Value = 21 | 4.933 | 76 | 0.000 | 2.80519 | 1.6727 | 3.9377 |
| Test Value = 28 | −7.377 | 76 | 0.000 | −4.19481 | −5.3273 | −3.0623 |