Table 1.

Rates of sickness certification by age and sex.

			Sickness certification rate per 1000 person years (95 % CI)
Age, years	Total number of certificates issued	Registered population	Total	Males	Females
20–24	1136	13 534	83.94 (79.26 to 88.61)	76.92 (70.63 to 83.22)	91.18 (84.27 to 98.10)
25–29	1156	13 266	87.14 (82.34 to 91.94)	84.47 (77.81 to 91.12)	89.87 (82.95 to 96.79)
30–34	1670	16 384	101.93 (97.3 to 106.56)	85.82 (79.75 to 91.88)	118.04 (111.05 to 125.03)
35–39	1957	19 624	99.72 (95.53 to 103.92)	87.84 (82.26 to 93.422)	111.81 (105.55 to 118.07)
40–44	2046	19 537	104.72 (100.43 to 109.02)	90.05 (84.39 to 95.71)	119.61 (133.15 to 126.07)
45–49	2190	17 329	126.38 (121.43 to 131.33)	106.07 (99.61 to 112.54)	146.90 (139.43 to 154.38)
50–54	1975	16 029	123.21 (118.13 to 128.30)	107.33 (100.62 to 114.03)	139.81 (132.14 to 147.49)
55–59	2053	17 968	114.26 (109.61 to 118.91)	104.23 (97.88 to 110.58)	124.09 (117.31 to 130.87)
60–64	882	14 505	60.81 (56.92 to 64.70)	96.67 (89.87 to 103.46)	24.85 (21.27 to 28.44)
All ages	15065	148 176	101.67 (100.13 to 103.21)	93.68 (91.59 to 95.78)	109.76 (107.50 to 112.02)