Sociodemographic distribution of anaemia prevalence among children under 5 years in Western China
| Prevalence | ||
| Median (IQR) | Range | |
| Age (months) (n (pooled n)=33 (126 486)) | ||
| 0~ | 11.78% (7.90–17.87) | 1.70%–46.10% a10, a11, a35, a37, a41, a55 |
| 6~ | 50.09% (34.35–59.04) | 17.71%–72.50% a1, a5, a8, a9, a11–a13, a17–a20, a23–a26, a28, a29, a31, a35, a37, a38, a41, a44, a46, a52, a53, a55 |
| 12~ | 40.81% (26.07–47.56) | 6.73%–69.30% a1, a2, a5, a7–a9, a13, a17–a20, a24, a26, a28, a29, a31, a33–a35, a37, a38, a41, a43, a44, a46, a52, a55 |
| 24~ | 17.50% (10.95–24.55) | 4.65%–67.20% a2, a7–a9, a26, a29, a33, a34, a37, a41, a43, a55 |
| 36~ | 12.29% (6.25–24.07) | 4.00%–64.70% a2, a7–a9, a33, a34, a37, a41, a43 |
| 48~60 | 12.95% (6.93–18.60) | 4.42%–64.80% a2, a7–a9, a33, a34, a37, a41, a43 |
| Sex (n (pooled n)=30 (84782)) | ||
| Boys | 36.60% (25.68–47.96) | 3.47%–71.10% a1–a3, a5, a6, a9, a11–a13, a18–a20, a22, a23, a25, a29–a37, a40–a42, a45, a52, a55 |
| Girls | 31.38% (22.62–45.87) | 3.37%–62.90% a1–a3, a5, a6, a9, a11–a13, a18–a20, a22, a23, a25, a29–a37, a40–a42, a45, a52, a55 |
| Ethnic group (n (pooled n)=9 (44 323)) | ||
| Han | — | 6.92%–62.70% a5, a9, a12, a21, a29, a35 |
| Hui | — | 21.71%–53.10% a5, a12, a21, a29 |
| Tibetan | — | 35.42%–78.10% a5, a21 |
| Miao | — | 9.2%–60.04% a9, a13 |
| Dai | — | 23.42%–29.55% a33, a35 |
| Others* | — | 1.08%–77.20% a5, a9, a13, a21, a27, a29, a35 |
*Others include Dongxiang, Dong, Shui, Maonan, Tu, Uygur, Kazak, Bulang, Jinuo, Jingpo, Deang, Achang, Dulong, Nu, Pumi, Lisu, Lahu, Hani, Va, Naxi, Molidawa, Oroqen, Ewenki and Bai minority groups.