Table 1 Characteristics of the cohort (N = 1,489,620 children age 0–11 between 1998–2018)
Characteristics | Number (%) of children (N = 1,489,620) | |
|---|---|---|
Children with no medicinal poisoning event (N = 1,485,999) | Children with at least one medicinal poisoning event (N = 3621) | |
Sex | ||
Male | 766,607(52) | 1923 (53) |
Female | 719,392(48) | 1698 (47) |
Age (median years, IQR*) entering cohort | 2.1 (0.1–6.6) | 0.2 (0.1–1.6) |
Age (median years, IQR*) at first substance specific poisoning event | 2.6 (1.9–3.5) | |
Person-years (median, IQR*) contributed | 3.4 (1.4–6.8) | 6.5 (3.6–10.0) |
Socio-economic deprivation quintile† | ||
1 (least deprived) | 236,244 (16) | 472 (13) |
2 | 273,987 (19) | 617 (17) |
3 | 282,356 (19) | 615 (17) |
4 | 316,229 (21) | 768 (21) |
5 (most deprived) | 377,183 (25) | 1149 (32) |