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Table 1 Descriptive data of study sample by history of needlestick and sharp injury (NSI) experience

From: Prevalence and associated factors for needlestick and sharp injuries (NSIs) among dental assistants in Jeddah, Saudi Arabia

Characteristic Category Number of subjects (%) p value*
All (n = 450) History of NSI
Yes (n = 134) No (n = 316)
Number of clinics worked One 165 (36.7) 46 (34.3) 119 (37.7) 0.3359
Two 58 (12.9) 22 (16.4) 36 (11.4)  
3 or more 227 (50.4) 66 (49.3) 161 (50.9)  
Daily working hours > 8 h 108 (24.0) 25 (18.7) 83 (26.3) 0.0839
8 h or less 342 (76.0) 109 (81.3) 233 (73.7)  
Number of patients attended per day > 12 193 (42.9) 48 (35.8) 145 (45.9) 0.0485
12 or less 257 (57.1) 86 (64.2) 171 (54.1)  
Years of experience 3 years or less 248 (55.1) 66 (49.3) 182 (57.6) 0.1038
> 3 years 202 (44.9) 68 (50.7) 134 (42.4)  
Performing procedures carrying high risk No 168 (37.3) 46 (34.3) 122 (38.6) 0.3908
Yes 282 (62.7) 88 (65.7) 194 (61.4)  
Anti-hepatitis B vaccination No 64 (14.2) 30 (22.4) 34 (10.8) 0.0012
Yes 386 (85.8) 104 (77.6) 282 (89.2)  
Wore gowns, mask, and gloves No 74 (16.4) 29 (21.6) 45 (14.2) 0.0528
Yes 376 (83.6) 105 (78.4) 271 (85.8)  
Used eye and facial protection No 83 (18.4) 32 (23.9) 51 (16.1) 0.0528
Yes 367 (81.6) 102 (76.1) 265 (83.9)  
Used protective films No 65 (14.4) 22 (16.4) 43 (13.6) 0.4381
Yes 385 (85.6) 112 (83.6) 273 (86.4)  
Used disposable burs No 197 (43.8) 67 (50.0) 130 (41.1) 0.0832
Yes 253 (56.2) 67 (50.0) 186 (58.9)  
Used high-volume suction No 41 (9.1) 16 (11.9) 25 (7.9) 0.1744
Yes 409 (90.9) 118 (88.1) 291 (92.1)  
Recapped needles by one-hand technique No 32 (7.1) 14 (10.4) 18 (5.7) 0.0729
Yes 418 (92.9) 120 (89.6) 298 (94.3)  
Knowledge of infection control procedures and disease transmission Good 189 (42.0) 41 (30.6) 148 (46.8) 0.0014
Poor 261 (58.0) 93 (69.4) 168 (53.2)  
Formal infection control training No 119 (26.4) 36 (26.9) 83 (26.3) 0.8950
Yes 331 (73.6) 98 (73.1) 233 (73.7)  
Infection control unit in the clinic No 206 (45.8) 82 (61.2) 124 (39.2) < 0.0001
Yes 234 (52.0) 52 (38.8) 182 (57.6)  
Missing 10 (2.2) 0 (0.0) 10 (3.2)  
  1. *p value was based on Pearson’s chi-squared test to evaluate the independence of sample characteristic and NSI experience