Table 3 Means and prevalence of 25(OH)D categories based on original and standardized 25(OH)D levels of GNHIES98a
Mean serum 25(OH)D levels | Serum 25(OH)D levels by thresholds of the IOM 2011 in % | |||||||
|---|---|---|---|---|---|---|---|---|
< 30 nmol/l | 30- < 50 nmol/l | > = 50 nmol/l | ||||||
Original | Standardized | Original | Standardized | Original | Standardized | Original | Standardized | |
nmol/l (95% CI) | nmol/l (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | |
Women | 55.4 (51.8–59.0) | 62.0 (58.9–65.1) | 23.8 (20.2–27.8) | 15.8 (12.8–19.3) | 34.0 (30.8–37.3) | 28.0 (25.2–30.9) | 42.2 (38.3–46.2) | 56.3 (52.3–60.2) |
18–29 years | 65.4 (59.5–71.4) | 70.8 (65.7–75.8) | 19.5 (14.4–25.9) | 18.7 (12.9–26.2) | 26.5 (21.8–31.8) | 23.7 (18.9–29.3) | 54.0 (47.3–60.5) | 57.6 (50.3–64.6) |
30–39 years | 60.3 (55.4–65.2) | 66.6 (62.7–70.5) | 19.0 (15.2–23.4) | 14.4 (10.6–19.4) | 32.4 (28.1–37.0) | 26.6 (22.2–31.6) | 48.6 (47.3–53.7) | 58.9 (52.3–65.3) |
40–49 years | 57.5 (52.8–62.3) | 64.4 (60.4–68.4) | 21.2 (16.6–26.7) | 14.9 (10.5–20.7) | 32.5 (27.3–38.2) | 30.5 (24.8–36.9) | 46.3 (40.5–52.1) | 54.6 (46.6–62.4) |
50–59 years | 52.9 (47.4–58.4) | 60.2 (55.4–65.1) | 24.2 (18.8–30.5) | 17.8 (13.3–23.4) | 36.1 (30.5–42.1) | 27.4 (22.1–33.4) | 39.7 (33.5–46.2) | 54.8 (47.5–61.9) |
60–69 years | 49.3 (44.4–54.2) | 56.5 (52.0–61.1) | 26.7 (20.1–34.5) | 7.3 (4.4–11.8) | 40.9 (34.1–48.2) | 23.9 (18.3–30.6) | 32.4 (26.0–39.5) | 68.8 (61.3–75.4) |
70–79 years | 40.9 (35.0–46.9) | 48.2 (42.3–54.1) | 37.4 (27.4–48.7) | 18.5 (10.7–29.9) | 37.7 (28.2–48.3) | 31.7 (21.4–44.1) | 24.9 (16.3–36.0) | 49.9 (37.5–62.3) |
Men | 53.4 (49.1–57.6) | 60.9 (57.1–64.7) | 23.6 (19.8–28.0) | 15.1 (12.2–18.7) | 33.2 (29.9–36.5) | 26.9 (23.7–30.5) | 43.2 (38.1–48.5) | 57.9 (52.7–62.9) |
18–29 years | 52.2 (47.5–56.8) | 60.1 (55.5–64.7) | 23.3 (16.9–31.1) | 11.9 (8.4–16.7) | 31.4 (25.6–37.9) | 19.8 (15.5–25.0) | 45.3 (38.0–52.8) | 68.3 (61.5–74.4) |
30–39 years | 55.2 (50.0–60.3) | 62.3 (57.8–66.9) | 22.9 (17.8–28.9) | 11.7 (8.7–15.6) | 33.4 (28.9–38.3) | 27.3 (24.0–31.0) | 43.7 (37.8–49.8) | 60.9 (56.3–65.4) |
40–49 years | 51.5 (44.9–58.1) | 59.2 (53.2–65.3) | 25.4 (19.3–32.5) | 13.1 (9.5–17.9) | 34.4 (28.0–41.5) | 27.7 (23.5–32.3) | 40.2 (32.0–49.1) | 59.2 (53.8–64.4) |
50–59 years | 49.4 (44.4–54.4) | 57.1 (52.4–61.9) | 26.8 (21.4–33.1) | 16.0 (11.7–21.4) | 34.7 (29.0–40.9) | 28.2 (22.7–34.4) | 38.5 (31.3–46.2) | 55.8 (48.9–62.2) |
60–69 years | 60.3 (54.2–66.5) | 67.7 (62.5–72.8) | 15.3 (10.7–21.4) | 16.9 (11.7–23.8) | 33.9 (27.5–40.9) | 33.8 (27.9–40.4) | 50.8 (42.9–58.7) | 49.2 (42.3–56.1) |
70–79 years | 51.1 (43.3–58.9) | 58.4 (50.8–66.0) | 31.3 (21.0–44.0) | 30.2 (20.3–42.3) | 28.2 (18.3–40.8) | 33.0 (24.0–43.5) | 40.4 (29.2–52.8) | 36.9 (27.0–47.9) |
Total | 54.4 (50.8–58.0) | 61.5 (58.3–64.7) | 23.7 (20.3–27.5) | 15.5 (12.8–18.6) | 33.6 (31.0–36.3) | 27.5 (25.1–30.0) | 42.7 (38.7–46.8) | 57.1 (53.0–61.1) |