Table 1. SF-36 outcomes and cognition in blood donation of blood donors with different characteristics.
| Variable | N (%) | PCS | MCS | Cognition in blood donation | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean±SD | T/F | P | Cohen’s d/ ηp2 | Mean± D | T/F | P | Cohen’s d/ ηp2 | Mean± D | T/F | P | Cohen’s d/ ηp2 | ||
| Gender | |||||||||||||
| Male | 546(65.2) | 91.6±8.8 | 3.25 | <0.001 | 0.24 | 83.9±13.8 | 2.45 | 0.015 | 0.19 | 73.8±10.4 | 1.22 | 0.223 | 0.08 |
| Female | 291(34.8) | 89.3±10.5 | 81.2±15.3 | 72.9±11.2 | |||||||||
| Age | |||||||||||||
| ≤30 | 490(58.5) | 89.9±9.8 | -3.13 | <0.001 | 0.22 | 80.6±15.1 | -6.00 | <0.001 | 0.41 | 72.8±11.3 | -2.48 | 0.013 | 0.17 |
| >30 | 347(41.5) | 92.0±9.0 | 86.3±12.6 | 74.6±9.8 | |||||||||
| Marital status | |||||||||||||
| Single | 417(49.8) | 90.0±9.4 | -2.27 | 0.024 | 0.16 | 80.1±15.2 | -5.79 | <0.001 | 0.40 | 72.5±11.1 | -2.80 | 0.005 | 0.20 |
| Married | 407(48.6) | 91.5±9.5 | 85.7±12.8 | 74.6±10.2 | |||||||||
| Education | |||||||||||||
| Below high school | 159(19.0) | 92.5±9.2 | 8.33 | <0.001 | 0.02 | 87.0±13.0 | 16.36 | <0.001 | 0.04 | 72.6±9.0 | 0.84 | 0.432 | 0.00 |
| High school or junior college | 217(25.9) | 92.1±7.7 | 85.2±12.5 | 73.5±9.5 | |||||||||
| Bachelor’s degree or above | 461(55.1) | 89.6±10.2 | 80.5±15.1 | 73.8±11.7 | |||||||||
PCS: physical component summary; MCS: mental component summary; SD: standard deviation. Nonparametric Test and Cohen’s d were used to analyze the differences between groups of gender, age or marital status and their effect size, respectively. Kruskal-Wallis Test and ηp2 were used to analyze the differences between groups of education and its effect size. Individuals of other marital status (13) were excluded in analysis.