TABLE 2

Baseline characteristics of the study participants

Baseline characteristicT1Da cohort (n = 925)Reference cohort (n= 3,591)
No.%No.%
Sex
    Male46950.71,81750.6
    Female45649.31,77449.4
Age category
    0–4 yrs13514.653715
    5–9 yrs27029.21,04329
    10–14 yrs33536.21,29536.1
    15–18 yrs1852071619.9
Yr of cohort entry
    1999–200438541.61,45240.4
    2005–200954058.42,13959.6
No. of participants in each yr of the study period
    8 yrs before the index date15616.961217.0
    7 yrs before the index date21323.082723.0
    6 yrs before the index date29632.01,16232.4
    5 yrs before the index date38141.21,51342.1
    4 yrs before the index date48752.61,91353.3
    3 yrs before the index date61065.92,38466.4
    2 yrs before the index date74180.12,91181.1
    1 yr before the index date9251003,591100
    First yr of follow up9251003,591100
    Second yr of follow up9251003,58799.9
    Third yr of follow up81287.83,13987.4
    Fourth yr of follow up70876.52,72675.9
  • a T1D, type 1 diabetes.