Table 4 Effect of age group on the relationship between vitamin D status and diarrhea risk
Age group | Vitamin D status/Vitamin D supplementation | Diarrhea risk | Study |
|---|---|---|---|
-Infancy (1–12 months) | -Vitamin D supplementation -Vitamin D deficiency * -Vitamin D insufficiency†| -No effect in reducing risk -Increased diarrhea risk -Increased diarrhea risk -Decreased diarrhea risk§ | -Aluisio et al. [17] -Talachian et al. [22] -Mahyar et al. [16] -Ahmed et al. [26] |
-Preschool age (1–5 years) | -Vitamin D deficiency * -Vitamin D insufficiency †| -Increased diarrhea risk -Increased diarrhea risk -Increased diarrhea risk -Increased diarrhea risk -Decreased diarrhea risk -Decreased diarrhea risk§ | -Mileva et al. [15] -Talachian et al. [22] -Bucak et al. [25] -Mahyar et al. [16] -Hassam et al. [21] -Ahmed et al. [26] |
-School age (6–12 years) | -Vitamin D deficiency * | -Increased diarrhea risk -Increased diarrhea risk -Increased diarrhea risk | -Thornton et al. [23] -Talachian et al. [22] -Mahyar et al. [16] |
-Adolescence (13–18 years) | -Vitamin D deficiency * | -Increased diarrhea risk | -Talachian et al. [22] |