Fig. 1

Confirmatory factor analysis of the HHNJS-J (Model 4). Model fit indices: Comparative fit index = 0.89, Goodness-of-fit index = 0.85, Tucker-Lewis index = 0.87, Root mean square error of approximation = 0.06 (95% confidence interval 0.060–0.069). HHNJS-J Japanese version of the Home Healthcare Nurses’ Job Satisfaction Scale