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Table 1 Methodological quality assessment of quantitative articles using Critical Appraisal Skills Programme (CASP) checklist - cross-sectional studies

From: Factors contributing to the recruitment and retention of rural pharmacist workforce: a systematic review

Author (Year), Country

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

Total

Quality of research paper

Glasser, 2006; US

+

+

-

+

-

-

+

+

+

+

+

+

-

-

-

+

+

+

-

-

12

Moderate

Fleming and Spark, 2011; Australia

+

+

+

+

+

+

+

+

+

+

+

+

-

+

+

+

+

+

-

+

18

High

Pearson et al., 2010; Canada

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

20

High

Woodend et al., 2004; Canada

+

+

-

+

+

+

-

+

+

+

+

+

-

-

+

+

+

+

-

-

14

High

Ling et al., 2018; New Zealand

+

+

+

+

+

+

-

+

u

+

+

+

-

-

+

+

+

+

-

+

15

High

Daniels et al., 2007; the US

+

+

+

+

+

+

-

+

+

+

+

+

-

-

+

+

+

+

-

+

16

High

  1. Quality criteria: A: Were the aims/objectives of the study clear?, B: Was the study design appropriate for the stated aim(s)?, C: Was the sample size justified?, D: Was the target/reference population clearly defined? (Is it clear who the research was about?), E: Was the sample frame taken from an appropriate population base so that it closely represented the target/reference population under investigation?, F: Was the selection process likely to select subjects/participants that were representative of the target/reference population under investigation?, G: Were measures undertaken to address and categorise non-responders?, H: Were the risk factor and outcome variables measured appropriate to the aims of the study?, I: Were the risk factor and outcome variables measured correctly using instruments/measurements that had been trialled, piloted or published previously?, J: Is it clear what was used to determined statistical significance and/or precision estimates? (e.g. p-values, confidence intervals), K: Were the methods (including statistical methods) sufficiently described to enable them to be repeated?, L: Were the basic data adequately described?; M: Does the response rate raise concerns about non-response bias? (negative denotes no any attempt made to quantify the level of non-response by the researchers, and/or the response rate provided is likely to lead to non-response bias), N: If appropriate, was information about non-responders described?; O: Were the results internally consistent?; P: Were the results presented for all the analyses described in the methods?, Q: Were the authors’ discussions and conclusions justified by the results?; R: Were the limitations of the study discussed?, S: Were there any funding sources or conflicts of interest that may affect the authors’ interpretation of the results? (negative denotes no mention of any funding sources or conflicts of interest); T: Was ethical approval or consent of participants attained? (negative denotes no mention of any ethical approval or consent of participants attained); +: yes (criterion is met), −: no (criterion is not met), u: unknown if criterion is met, n/a: not applicable; High-quality paper: Scores ≥ 14, Moderate-quality paper: Scores 8-<14, Low-quality paper: Less than 8.