Table 2.
Changes in the prevalence of vitamin A deficiency in China from 1990 to 2021.
| Age | 1990 | 2021 | 1990–2021 |
|---|---|---|---|
| Prevalence rate (95% UI per) | Prevalence rate (95% UI per) | EAPCs (95% CI) | |
| <5 | 21204.70 (16458.98, 26024.57) | 2963.63 (2103.17, 4332.08) | −6.23 (−6.40, −6.06) |
| 5–9 | 14583.25 (9565.17, 21547.07) | 2785.76 (1623.55, 4431.45) | −5.26 (−5.53, −4.99) |
| 10–14 | 14467.17 (8945.36, 20651.75) | 2685.59 (1496.54, 4338.65) | −5.44 (−5.68, −5.20) |
| 15–19 | 11744.87 (7022.89, 18566.50) | 2355.66 (1337.42, 3907.87) | −5.12 (−5.21, −5.02) |
| 20–24 | 12136.23 (7026.10, 19748.00) | 2449.48 (1382.59, 4120.67) | −5.18 (−5.33, −5.02) |
| 25–29 | 11314.38 (6507.44, 18561.29) | 2325.98 (1293.27, 3797.87) | −5.14 (−5.32, −4.95) |
| 30–34 | 10033.01 (5710.89, 16775.34) | 2192.93 (1237.05, 3711.43) | −4.92 (−5.14, −4.70) |
| 35–39 | 8490.97 (4609.99, 13900.04) | 1873.24 (1050.48, 3050.35) | −4.89 (−5.04, −4.74) |
| 40–44 | 7307.35 (3900.08, 12558.87) | 1554.68 (803.99, 2524.05) | −4.95 (−5.10, −4.81) |
| 45–49 | 6005.94 (3214.98, 10494.60) | 1259.97 (652.70, 2109.56) | −4.97 (−5.10, −4.84) |
| 50–54 | 4701.97 (2499.38, 8026.75) | 943.38 (510.11, 1555.67) | −5.05 (−5.17, −4.94) |
| 55–59 | 3548.00 (2033.32, 5925.71) | 681.47 (372.43, 1149.84) | −5.14 (−5.23, −5.05) |
| 60–64 | 2649.03 (1421.44, 4293.16) | 502.18 (276.43, 822.83) | −5.15 (−5.24, −5.06) |
| 65–69 | 2099.49 (1126.32, 3544.94) | 371.38 (200.28, 599.19) | −5.31 (−5.42, −5.19) |
| 70–74 | 1876.63 (1099.81, 3038.33) | 300.05 (163.90, 494.66) | −5.58 (−5.72, −5.45) |
| 75–79 | 1568.81 (885.91, 2571.31) | 230.71 (127.59, 375.98) | −5.75 (−5.94, −5.55) |
| 80–84 | 1558.53 (890.79, 2545.06) | 235.27 (131.21, 398.99) | −5.66 (−5.87, −5.45) |
| 85–89 | 1613.53 (849.00, 2750.54) | 242.11 (127.92, 421.06) | −5.69 (−5.90, −5.47) |
| 90–94 | 1669.47 (915.90, 2914.62) | 256.56 (122.69, 458.58) | −5.56 (−5.81, −5.31) |
| 95+ | 1716.86 (800.41, 3085.60) | 285.33 (137.65, 518.85) | −5.39 (−5.62, −5.16) |