Anwar Hameed Alharbi^1,, Abrar Faleh Albarakati¹, Jehad Helal Alqurashi²

A descriptive study design carried out to assess the mother's knowledge, attitudes and practices toward vitamin D supplementation to their infants at the south sector of Makkah Al-Mukarramah (Kudai and Al-Hijrah PHC center in the well-baby and vaccination clinics). The study sample includes (366) mothers of infants of one year or less attending Kudai and Al-Hijrah PHC center in Makkah city for well-baby clinic and vaccination clinic and all nationalities. The study instrument is a questionnaire composed of 4 parts includes: sociodemographic characteristic, knowledge, attitudes, and practices about vitamin D supplementation. The data collected from the respondents by using questionnaire. Content validity of the instrument was determined by panel of experts, while the reliability of the questionnaire determined by internal consistency reliability (Cronbach’s Alpha reliability), and analyzed electronically by (SPSS) application. The study findings indicated that the highest proportion of mothers aged 15-35 years, secondary and highly educated, 85% not working. Doctor is the main source of information. The majority of mothers have weak to average knowledge, average to high attitude and high to average practice. Significant differences were found at mothers' knowledge in relation to age, nationality, education, occupation and income. Significant differences were found at mothers' attitude in relation to nationality, education, and income. Additionally, significant differences were found between mothers' practices in relation to education, and income.

knowledge, attitude, practice, mothers, vitamin D supplementation, infants