... foodb. Speaking and pronouncing clearlyc. Cleaning teethd. Sleeping and relaxinge. Smiling, laughing and showing teeth without embarrassmentf. Maintaining usual emotional state without being irritableg. ... or more impacts. In relation to the intensity of impacts, 6.0%, 14.0% and 4.3% of the participants in Kinondoni (urban) with impacts on respectively, eating, smiling and cleaning, hadvery severe ... properties and a further evaluation of the validity of the OIDP scale. When used in personal interviews, the Kiswahili OIDP was valid and reliable with psychometric properties similar to the original...