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 period | Sex | 0–4 years | 5–9 years | 10–14 years | 0–14 years |
|---|---|---|---|---|---|
| 1978–1980 |
M |
15.0 (10.2–19.7) |
21.0 (15.7–26.3) |
31.2 (24.9–37.5) |
22.8 (19.6–26.1) |
| F |
11.7 (8.0–15.3) |
23.3 (17.4–29.2) |
25.4 (20.0–30.7) |
20.4 (17.6–23.5) |
|
| TOT |
13.3 (10.1–16.6) |
22.1 (18.2–26.0) |
28.3 (24.1–32.7) |
21.6 (19.4–23.9) |
|
|
n |
198 |
369 |
503 |
1,070 |
|
| 1981–1983 |
M |
19.0 (13.4–24.4) |
29.1 (22.6–35.6) |
32.9 (26.2–39.5) |
27.3 (23.7–31.0) |
| F |
15.2 (10.6–19.8) |
28.2 (21.9–34.6) |
28.7 (23.0–34.4) |
24.4 (21.2–27.7) |
|
| TOT |
17.1 (13.4–20.8) |
28.7 (24.1–33.3) |
30.8 (26.2–35.4) |
25.8 (23.3–28.4) |
|
|
n |
244 |
449 |
518 |
1,211 |
|
| 1984–1986 |
M |
18.4 (13.0–23.8) |
26.2 (19.8–32.5) |
31.1 (24.6–37.6) |
25.6 (22.0–29.1) |
| F |
19.0 (13.5–24.5) |
28.3 (21.8–34.7) |
32.1 (25.7–38.6) |
26.8 (23.2–30.3) |
|
| TOT |
18.7 (14.8–22.6) |
27.2 (22.5–31.8) |
31.6 (26.9–36.2) |
26.2 (23.6–28.7) |
|
|
n |
267 |
369 |
522 |
1,185 |
|
| 1987–1989 |
M |
14.8 (10.2–19.5) |
29.3 (22.6–36.1) |
35.9 (28.6–43.2) |
27.2 (23.0–30.2) |
| F |
13.2 (8.5–17.9) |
26.3 (19.8–32.7) |
31.3 (24.8–37.8) |
24.0 (20.1–27.0) |
|
| TOT |
14.0 (10.8–17.3) |
27.8 (23.1–32.5) |
33.6 (28.6–38.7) |
25.6 (23.1–28.2) |
|
|
n |
219 |
402 |
517 |
1,138 |
|
| 1990–1992 |
M |
16.7 (12.1–21.3) |
27.5 (21.0–33.9) |
38.1 (30.5–45.7) |
28.0 (23.2–30.4) |
| F |
15.5 (10.7–20.3) |
28.8 (21.2–36.3) |
32.2 (24.9–39.4) |
25.9 (21.2–28.7) |
|
| TOT |
16.1 (12.9–19.4) |
28.1 (23.5–32.7) |
35.2 (30.0–40.5) |
26.9 (24.4–29.6) |
|
|
n |
284 |
420 |
521 |
1,225 |
|
| 1993–1995 |
M |
22.2 (16.9–27.5) |
30.6 (24.2–37.1) |
35.1 (27.9–42.4) |
29.6 (25.3–32.6) |
| F |
20.4 (15.6–21.2) |
36.7 (29.5–43.0) |
32.7 (25.4–40.1) |
30.2 (25.9–33.3) |
|
| TOT |
21.3 (17.6–25.0) |
33.7 (28.8–38.4) |
33.9 (28.9–39.1) |
29.9 (27.3–32.5) |
|
|
n |
383 |
562 |
508 |
1,453 |
|
| 1996–1998 |
M |
23.8 (18.0–29.7) |
32.8 (26.4–39.1) |
41.5 (33.8–49.2) |
33.2 (28.9–36.6) |
| F |
24.6 (18.9–30.3) |
35.3 (28.6–42.0) |
35.8 (28.9–42.7) |
32.2 (28.4–35.9) |
|
| TOT |
24.2 (20.0–28.5) |
34.0 (29.4–38.7) |
38.7 (33.4–44.1) |
32.7 (30.0–35.4) |
|
|
n |
380 |
622 |
610 |
1,612 |
|
| 1999–2001 |
M |
28.8 (22.0–35.6) |
39.1 (32.0–46.2) |
42.0 (34.7–49.4) |
37.0 (33.1–41.4) |
| F |
22.7 (17.0–28.5) |
39.6 (32.5–46.7) |
38.3 (31.1–45.5) |
33.9 (30.4–38.3) |
|
| TOT |
25.8 (21.2–30.5) |
39.3 (34.2–44.4) |
40.2 (35.1–45.4) |
35.4 (32.6–38.4) |
|
|
n |
357 |
687 |
708 |
1,752 |
|
| 2002–2004 |
M |
29.7 (22.8–36.6) |
47.4 (39.0–55.8) |
50.0 (42.3–57.8) |
42.9 (38.7–47.7) |
| F |
27.6 (21.6–33.7) |
54.3 (44.7–63.9) |
43.4 (35.9–50.7) |
42.1 (37.6–46.7) |
|
| TOT |
28.7 (23.9–33.5) |
50.9 (44.5–57.0) |
46.7 (41.5–52.2) |
42.5 (39.3–45.7) |
|
|
n |
408 |
765 |
873 |
2,046 |
|
| 2005–2007 |
M |
26.2 (20.0–32.4) |
46.1 (37.5–54.6) |
64.8 (55.6–74.0) |
46.7 (41.6–51.1) |
| F |
24.1 (17.7–30.6) |
49.7 (40.4–59.1) |
48.1 (39.5–56.7) |
41.2 (36.0–45.6) |
|
| TOT |
25.2 (20.8–29.6) |
47.9 (41.6–54.1) |
56.5 (50.5–62.9) |
43.9 (40.7–47.3) |
|
| n | 387 | 676 | 966 | 2,029 |