TABLE 1

Age- and sex-specific rates of T1D in Sweden 1978–2007: incidence per 100,000 children per year in 3-year periods (95% CI)

Time periodSex0–4 years5–9 years10–14 years0–14 years
1978–1980M15.0 (10.2–19.7)21.0 (15.7–26.3)31.2 (24.9–37.5)22.8 (19.6–26.1)
F11.7 (8.0–15.3)23.3 (17.4–29.2)25.4 (20.0–30.7)20.4 (17.6–23.5)
TOT13.3 (10.1–16.6)22.1 (18.2–26.0)28.3 (24.1–32.7)21.6 (19.4–23.9)
n1983695031,070
1981–1983M19.0 (13.4–24.4)29.1 (22.6–35.6)32.9 (26.2–39.5)27.3 (23.7–31.0)
F15.2 (10.6–19.8)28.2 (21.9–34.6)28.7 (23.0–34.4)24.4 (21.2–27.7)
TOT17.1 (13.4–20.8)28.7 (24.1–33.3)30.8 (26.2–35.4)25.8 (23.3–28.4)
n2444495181,211
1984–1986M18.4 (13.0–23.8)26.2 (19.8–32.5)31.1 (24.6–37.6)25.6 (22.0–29.1)
F19.0 (13.5–24.5)28.3 (21.8–34.7)32.1 (25.7–38.6)26.8 (23.2–30.3)
TOT18.7 (14.8–22.6)27.2 (22.5–31.8)31.6 (26.9–36.2)26.2 (23.6–28.7)
n2673695221,185
1987–1989M14.8 (10.2–19.5)29.3 (22.6–36.1)35.9 (28.6–43.2)27.2 (23.0–30.2)
F13.2 (8.5–17.9)26.3 (19.8–32.7)31.3 (24.8–37.8)24.0 (20.1–27.0)
TOT14.0 (10.8–17.3)27.8 (23.1–32.5)33.6 (28.6–38.7)25.6 (23.1–28.2)
n2194025171,138
1990–1992M16.7 (12.1–21.3)27.5 (21.0–33.9)38.1 (30.5–45.7)28.0 (23.2–30.4)
F15.5 (10.7–20.3)28.8 (21.2–36.3)32.2 (24.9–39.4)25.9 (21.2–28.7)
TOT16.1 (12.9–19.4)28.1 (23.5–32.7)35.2 (30.0–40.5)26.9 (24.4–29.6)
n2844205211,225
1993–1995M22.2 (16.9–27.5)30.6 (24.2–37.1)35.1 (27.9–42.4)29.6 (25.3–32.6)
F20.4 (15.6–21.2)36.7 (29.5–43.0)32.7 (25.4–40.1)30.2 (25.9–33.3)
TOT21.3 (17.6–25.0)33.7 (28.8–38.4)33.9 (28.9–39.1)29.9 (27.3–32.5)
n3835625081,453
1996–1998M23.8 (18.0–29.7)32.8 (26.4–39.1)41.5 (33.8–49.2)33.2 (28.9–36.6)
F24.6 (18.9–30.3)35.3 (28.6–42.0)35.8 (28.9–42.7)32.2 (28.4–35.9)
TOT24.2 (20.0–28.5)34.0 (29.4–38.7)38.7 (33.4–44.1)32.7 (30.0–35.4)
n3806226101,612
1999–2001M28.8 (22.0–35.6)39.1 (32.0–46.2)42.0 (34.7–49.4)37.0 (33.1–41.4)
F22.7 (17.0–28.5)39.6 (32.5–46.7)38.3 (31.1–45.5)33.9 (30.4–38.3)
TOT25.8 (21.2–30.5)39.3 (34.2–44.4)40.2 (35.1–45.4)35.4 (32.6–38.4)
n3576877081,752
2002–2004M29.7 (22.8–36.6)47.4 (39.0–55.8)50.0 (42.3–57.8)42.9 (38.7–47.7)
F27.6 (21.6–33.7)54.3 (44.7–63.9)43.4 (35.9–50.7)42.1 (37.6–46.7)
TOT28.7 (23.9–33.5)50.9 (44.5–57.0)46.7 (41.5–52.2)42.5 (39.3–45.7)
n4087658732,046
2005–2007M26.2 (20.0–32.4)46.1 (37.5–54.6)64.8 (55.6–74.0)46.7 (41.6–51.1)
F24.1 (17.7–30.6)49.7 (40.4–59.1)48.1 (39.5–56.7)41.2 (36.0–45.6)
TOT25.2 (20.8–29.6)47.9 (41.6–54.1)56.5 (50.5–62.9)43.9 (40.7–47.3)
n3876769662,029