Table 2 Analysis of participants’ different characteristics and PCL-C scores (M (P25, P75), n = 314).
Items | n(%) | PCL-C total scores | PCL-C symptom clusters | ||
|---|---|---|---|---|---|
Repeated experience | Avoidance numbing | Increased alertness | |||
Sex | |||||
Male | 123(39.20) | 24(19.00 ~ 34.00) | 6(5.00 ~ 10.00) | 9(7.00 ~ 14.00) | 8(5.00 ~ 10.00) |
Female | 191(60.80) | 27(19.00 ~ 35.00) | 8(5.00 ~ 11.00) | 10(7.00 ~ 14.00) | 9(6.00 ~ 11.00) |
H/Z | − 1.133b | − 0.739b | − 1.097b | − 1.486b | |
P | 0.257 | 0.460 | 0.272 | 0.137 | |
Age | |||||
65–74 | 64(20.40) | 25.5(19.00 ~ 35.00) | 7(5.00 ~ 10.00) | 9(7.00 ~ 14.00) | 8(6.00 ~ 11.00) |
75–84 | 116(36.90) | 25(18.00 ~ 34.00) | 7(5.00 ~ 11.00) | 10(7.00 ~ 14.00) | 8(5.00 ~ 10.00) |
≥ 85 | 134(42.70) | 27(17.00 ~ 35.00) | 9(5.00 ~ 11.00) | 11(7.00 ~ 14.00) | 8(5.00 ~ 12.00) |
H/Z | 0.167a | 0.198a | 0.276a | 0.463a | |
P | 0.920 | 0.906 | 0.871 | 0.794 | |
Educational levels | |||||
Elementary school and below | 153(48.70) | 28(20.00 ~ 35.00) | 8(5.00 ~ 11.00) | 11(7.00 ~ 14.00) | 9(6.00 ~ 12.00) |
Middle School and above | 161(51.30) | 23(18.00 ~ 34.00) | 6(5.00 ~ 10.00) | 8(7.00 ~ 14.00) | 8(5.00 ~ 10.00) |
H/Z | − 2.398b | − 1.785b | − 2.554b | − 2.147b | |
P | 0.016 | 0.074 | 0.011 | 0.032 | |
Type of pre-retirement occupation | |||||
Mental labor | 85(27.10) | 21(18.00 ~ 33.00) | 6(5.00 ~ 10.00) | 8(7.00 ~ 13.50.00) | 8(5.00 ~ 10.00) |
Physical labor | 163(51.90) | 25(19.00 ~ 34.00) | 7(5.00 ~ 10.00) | 10(7.00 ~ 14.00) | 8(6.00 ~ 10.00) |
Unemployed | 66(21.00) | 32(19.75 ~ 43.00) | 9(5.00 ~ 12.25) | 11.5(7.75 ~ 15.75) | 10(6.00 ~ 13.25) |
H/Z | 10.030a | 8.020a | 10.920a | 9.080a | |
P | 0.007 | 0.018 | 0.004 | 0.011 | |
Salary level (RMB) | |||||
< 1000 | 85(27.10) | 30(21.00~ 36.50) | 9(5.00 ~ 11.00) | 11(7.00 ~ 14.00) | 10(7.00 ~ 12.00) |
1000–3000 | 128(40.80) | 27(19.00 ~ 35.00) | 8(5.00~ 10.75) | 10(7.00 ~ 14.00) | 9(5.00 ~ 11.00) |
3001–5000 | 76(24.20) | 23.5(18.00 ~ 34.00) | 6(5.00 ~ 10.00) | 8(7.00 ~ 14.00) | 8(5.00 ~ 10.00) |
5001–10,000 | 22(7.00) | 20(17.75 ~ 23.50) | 5(5.00 ~ 7.00) | 7(7.00 ~ 9.50) | 6.5(5.00~ 8.25) |
≥ 10,000 | 3(1.00) | 18(17.00 ~ /) | 5(5.00 ~ /) | 7(7.00 ~ /) | 6(5.00 ~ /) |
H/Z | 15.051a | 15.722a | 13.570a | 11.701a | |
P | 0.005 | 0.003 | 0.009 | 0.020 | |
Smoking | |||||
No | 239 (76.10) | 25(18.00 ~ 34.00) | 6(5.00 ~ 10.00) | 9(7.00 ~ 14.00) | 8(5.00 ~ 10.00) |
Yes | 75 (23.90) | 31(20.00 ~ 37.00) | 9(6.00 ~ 13.00) | 10(7.00 ~ 14.00) | 10(7.00 ~ 12.00) |
H/Z | − 2.504b | − 3.225b | − 1.644b | − 2.163b | |
P | 0.012 | 0.001 | 0.100 | 0.031 | |
Weekly exercise frequency | |||||
No exercise | 73 (23.20) | 28(20.00 ~ 35.50) | 6(5.00 ~ 11.00) | 11(7.00 ~ 14.00) | 9(6.00 ~ 12.00) |
1–2 times per week | 108 (34.39) | 27.5(20.00 ~ 35.00) | 8(5.00 ~ 10.00) | 10(7.00 ~ 14.00) | 9(6.00 ~ 11.00) |
More than 3 times per week | 37 (11.78) | 26(19.00 ~ 36.50) | 8(5.00 ~ 10.50) | 10(7.00 ~ 14.00) | 9(6.50 ~ 11.50) |
Exercise every day | 96 (30.57) | 21(18.00 ~ 33.00) | 6(5.00 ~ 10.00) | 8(7.00 ~ 12.75) | 7(5.00 ~ 10.00) |
H/Z | 9.328a | 5.364a | 8.738a | 13.195a | |
P | 0.025 | 0.147 | 0.033 | 0.004 | |
Leisure activities | |||||
Yes | 279 (88.85) | 25(19.00 ~ 34.00) | 7(5.00 ~ 10.00) | 9(7.00 ~ 14.00) | 8(6.00 ~ 10.00) |
No | 35 (11.15) | 33(21.00 ~ 37.00) | 9(5.00 ~ 12.00) | 12(7.00 ~ 14.00) | 10(6.00 ~ 13.00) |
H/Z | − 2.074b | − 1.917b | − 1.532b | − 2.078b | |
P | 0.038 | 0.055 | 0.126 | 0.038 | |
Any knee stiffness in the last month | |||||
No | 279 (88.85) | 26(19.00 ~ 35.00) | 7(5.00 ~ 10.00) | 10(7.00 ~ 14.00) | 9(6.00 ~ 11.00) |
Yes | 35 (11.15) | 20(17.00 ~ 34.00) | 6(5.00 ~ 10.00) | 8(7.00 ~ 14.00) | 7(5.00 ~ 9.00) |
H/Z | − 1.655b | − 1.393b | − 1.225b | − 2.426b | |
P | 0.098 | 0.164 | 0.220 | 0.015 | |
Any friction sounds in the knee in the last month | |||||
No | 298 (94.90) | 25(19.00 ~ 34.00) | 7(5.00 ~ 10.00) | 9(7.00 ~ 14.00) | 8.5(6.00 ~ 11.00) |
Yes | 16 (5.10) | 30.5(20.25 ~ 49.5) | 9.5(6.25 ~ 17.75) | 12(8.00 ~ 18.75) | 8(5.25 ~ 12.50) |
H/Z | − 1.901b | − 2.258b | − 1.79b | − 0.046b | |
P | 0.057 | 0.024 | 0.073 | 0.964 | |