Table 1 Single-factor analysis of possible factors associated with defects in packaging
Clinical information | Inefficient group (n = 103) | Efficient group (n = 4897) | χ2/t | P value |
|---|---|---|---|---|
Age | ||||
 ≤30a years old | 35 (33.98)b | 1562 (31.90) | 0.201c | 0.654 |
 >30 years old | 68 (66.02) | 3335 (68.10) | ||
Length of service | ||||
 ≤3 years | 78 (75.73) | 1398 (28.55) | 107.928 | 0.000 |
 >3 years | 25 (24.27) | 3499 (71.45) | ||
Gender | ||||
 Male | 27 (26.21) | 1331 (27.18) | 0.048 | 0.827 |
 Female | 76 (73.79) | 3566 (72.82) | ||
Educational background | ||||
 Two or three years’ higher education diploma | 67 (65.05) | 1511 (30.86) | 54.604 | 0.000 |
 Undergraduate and above | 36 (34.95) | 3386 (69.14) | ||
Time period of packaging | ||||
 Morning | 44 (42.72) | 2579 (52.66) | 4.002 | 0.045 |
 Afternoon | 59 (57.28) | 2318 (47.34) | ||
Number of staff dealing with packaging | ||||
 ≤2 | 65 (63.11) | 2501 (51.07) | 5.848 | 0.016 |
 >2 | 38 (36.89) | 2396 (48.93) | ||
Instrument structure | ||||
 Complex | 54 (52.43) | 1172 (23.93) | 44.254 | 0.000 |
 Simple | 49 (47.57) | 3725 (76.07) | ||
Instrument weight | ||||
 Heavy | 22 (21.36) | 962 (19.64) | 0.188 | 0.665 |
 Light | 81 (78.64) | 3935 (80.36) | ||
Wrapping perfection rate (%) | 84.06±2.65d | 98.48±1.71 | 96.476e | 0.000 |
Wrapping cleaning compliance rate (%) | 84.57±3.27 | 98.01±1.42 | 103.312 | 0.000 |
Instrument cleaning compliance rate (%) | 86.03±2.83 | 99.34±1.67 | 99.685 | 0.000 |