Unadjusted (dark grey) and adjusted (grey) associations between professional development and key predictors (n = 483). Data are presented as odds ratios. Ninety-five percent confidence intervals are illustrated by error bars. UKZN: University of KwaZulu-Natal. aVariable omitted from multivariate model due to colinearity with level of health facility. Statistical significance is presented with an asterisk to indicate the relative level of statistical significance (*P < 0.05 (statistically significant), **P < 0.01, ***P < 0.001 (statistically highly significant).