Table 3

Mean total duration of sickness absence in diabetic and non-diabetic employees by the ICD-9 (1975)

GroupCode of diagnosisDiagnosisMean (95% CI) total duration of sickness absence (days)Z valuep ValueDiabetic v non-diabetic
Diabetic employeesNon-diabetic employees
I001–139Infectious diseases1.73 (0.62 to 2.84)0.56 (0.30 to 0.82)−1.0384NS3.0:1
II140–239Neoplasm0.16 (−0.10 to 0.41)1.12 (0.72 to 2.96)−0.0050NS0.1 : 1
III240–279Endocrine diseases1.64 (0.50 to 2.78)0.64 (−0.56 to 1.83)−3.6122<0.0012.6 : 1
IV280–289Haematological disorders0.12 (−0.11 to 0.35)0.56 (−0.54 to 1.65)−0.0018NS0.2 : 1
V290–319Mental disorders2.20 (0.21 to 4.18)1.64 (−0.24 to 3.52)−0.4322NS1.3 : 1
VI320–389Neural and sensor disorders1.88 (−0.04 to 3.80)0.23 (0.07 to 0.39)−1.0533NS8.2 : 1
VII390–459Cardiovascular diseases3.50 (0.62 to 6.37)0.38 (0.09 to 0.68)−0.6939NS9.2 : 1
VIII460–519Respiratory diseases2.29 (1.09 to 3.49)1.05 (0.62 to 1.47)−0.8367NS2.2 : 1
IX520–579Gastrointestinal diseases2.14 (−0.04 to 4.31)0.83 (0.25 to 1.40)−0.9571NS2.6 : 1
X580–629Urogenital diseases1.32 (−0.51 to 3.15)0.33 (0.11 to 0.54)−0.1961NS4.0 : 1
XI630–676Complications of pregnancy3.06 (1.12 to 4.99)1.15 (−0.16 to 2.46)−2.0126<0.052.7 : 1
XII680–709Skin diseases0.48 (−0.34 to 1.30)1.04 (−0.77 to 2.84)−0.3241NS0.5 : 1
XIII710–739Diseases of limbs7.34 (3.84 to 10.84)3.97 (1.40 to 6.53)−1.0980NS1.8 : 1
XVII800–999Injuries3.71 (1.27 to 6.15)3.08 (1.33 to 4.84)−0.2782NS1.2 : 1
V60Care0.02 (−0.02 to 0.06)0.02 (−0.01 to 0.04)−0.5752NS1.0 : 1
V70Visits to the physician0.05 (−0.01 to 0.1)0.01 (−0.01 to 0.02)−2.3239<0.055.0 : 1
V77.1Visits to the diabetic specialist0.10 (0.06 to 0.14)0.00−5.0762<0.001
Total31.71 (24.86 to 38.57)16.57 (11.72 to 21.42)−2.6641<0.011.9 : 1