Table 2.
Participants’ characteristics and pain catastrophizing (N = 360)
| Variable | n(%) | Catastrophizing score | Statistic | ||
|---|---|---|---|---|---|
| Mean ± SD | t/F | P | |||
| Gender | Male | 61 (16.9) | 21.46 ± 13.40 | -2.412 | 0.016 |
| Female | 299 (83.1) | 25.63 ± 12.11 | |||
| Age | < 60 | 63 (17.5) | 26.54 ± 12.58 | 2.355 | 0.096 |
| 60 ~ | 211 (58.6) | 25.42 ± 12.21 | |||
| ≥ 70 | 86 (23.9) | 22.51 ± 12.46 | |||
| Education level | Illiteracy | 118 (32.8) | 29.46 ± 11.33 | 9.934 | < 0.01 |
| Primary school | 122 (33.9) | 23.81 ± 12.29 | |||
| Middle school | 54 (15.0) | 23.43 ± 12.02 | |||
| High school and above | 66 (18.3) | 20.08 ± 12.29 | |||
| Marital status | Married | 305 (84.7) | 25.50 ± 12.43 | 2.088 | 0.038 |
| Divorced or widowed | 55 (15.3) | 21.73 ± 11.70 | |||
| BMI(kg/m2) | < 18.5 | 8 (2.2) | 31.00 ± 10.37 | 1.646 | 0.178 |
| 18.5 ~ | 117 (32.5) | 26.04 ± 13.22 | |||
| 24 ~ | 160 (44.4) | 24.74 ± 11.50 | |||
| ≥ 28 | 75 (20.8) | 22.91 ± 12.84 | |||
| Address | Rural area | 216 (60.0) | 26.42 ± 12.26 | -2.847 | 0.005 |
| County town and Urban area | 144 (40.0) | 22.67 ± 12.56 | |||
| Medical insurance type | Own expense | 5 (1.4) | 27.00 ± 11.42 | 8.869 | < 0.01 |
| SMI and URMI | 133 (36.9) | 21.41 ± 12.93 | |||
| NRCMI | 222 (61.7) | 26.98 ± 12.24 | |||
| Working status | Yes | 94 (26.1) | 20.89 ± 11.623 | -3.734 | < 0.01 |
| No | 266 (73.9) | 26.34 ± 12.34 | |||
ANOVA analysis was used to compare the mean score of pain catastrophizing among different groups of preoperative TKA patients
SMI Staff Medical Insurance, URMI Urban Residents Medical Insurance, NRCMI New Rural Cooperative Medical Insurance