TABLE 1.

SUMMARY OF QUALITY ASSESSMENT

Criteria	No. of Studies
	Yes	No
Design
Prospective studies	10	1
Used probability sampling	0	11
Sample
Appropriate or justified sample size	10	1
Sample drawn from more than one site	9	2
Anonymity protected	2	9
Response rate >60%a	3	6
Measurement
Reliable measure of determinant	11	0
Valid measure of determinant	11	0
Valid measure of job satisfaction	11	0
Job satisfaction internal consistency ≥0.70	11	0
Theoretical model or framework used	8	3
Statistical analyses
Correlations analyzed when multiple effects studied	4	7
Management of outliers addressed	0	11

^aResponse rate was not available for two studies.