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. 2017 Sep 19;12(9):e0184862. doi: 10.1371/journal.pone.0184862

Table 8. Differences in doctors’ knowledge indices across selected socio-demographic characteristics.

Sample characteristic M SD Mean rank Rank sum Statistic parameters
SEX
Female 2.5 1.3 199.1 45601.5 Mann-Whitney, U = 15083.5, p < .05
Male 2.2 1.4 176.0 26408.5
SENIORITY
Less than 5 years 1.8 1.5 152.1 Kruskal–Wallis, χ2(3) = 8.0, p < .05
From 6 to 15 years 2.5 1.4 193.3
From 16 to 25 years 2.5 1.3 191.2
Over 26 years of seniority 2.5 1.2 195.6
PROFESIONAL STATUS
Intern and Resident 2.0 1.4 149.5 Kruskal–Wallis, χ2(3) = 10.0,p < .05
Non-specialist doctor and specialist doctor under the training 2.3 1.3 180.9
Specialist doctor 2.5 1.3 199.3
Other 2.0 1.6 167.2
NUMBER OF WORKING PLACES
One 2.4 1.4 185.7 38448.5 Mann-Whitney, U = 16920.5,p = .875
More than one 2.4 1.3 187.4 30929.5
REPRESENTATIVE EXPERIENCE
Worked as PSR 2.7 1.2 213.4 3628 Mann-Whitney, U = 2679,p = .35
Not worked as PSR 2.4 1.3 188.9 68382
PLACE OF DOMICILE
Village and cities up to 200,000 residents 2.6 1.2 203.2 40239 Mann-Whitney, U = 153000, p < .05
City with over 201,000 residents 2.1 1.4 175.5 31771