Fig. 2From: The effect of a pharmacist consultation on pregnant women’s quality of life with a special focus on nausea and vomiting: an intervention studyInteraction plot for the predicted mean changes in the Quality of Life Scale (QOLS) scores in the two study groups on different levels of nausea and vomiting (NVP) (p = 0.048). Interpretation of interaction plots: parallel lines indicate no interaction, and non-parallel lines indicate an interaction (the more non-parallel the lines are, the greater the strength of the interaction). Abbreviations: 95% CI 95% confidence intervalBack to article page