 Difference within profession  Difference between profession  
 HH compliance: posteducation  preeducation  HH compliance: posteducation  
 Rank 





 
Profession*  +ve  ?ve  Ties  Total  Test statistic  pvalue  Done  Not done  Total  Test statistic  pvalue  
 n  Mean  n  Mean 









Physicians  43^{a}  30.0  16^{b}  30.0  44^{c}  103  Z = ?3.51^{d}  <0.0001  72 (69.9)  31 (30.1)  103  χ^{2}(df 2) = 0.41  0.81 
Nurse  32^{a}  24  15^{b}  24  64^{ c}  111  Z = ?2.48^{d}  <0.013  78 (70.3)  33 (29.7)  111  
Technician  6^{a}  5  3^{b}  5  7^{c}  16  Z = ?1.0^{d}  <0.32  10 (62.2)  6 (37.8)  16  
Total  81    34    115  230 

 160 (69.6)  70 (30.4)  230 

