For WIMD 2019, the number of people per 100,000 with a limiting long-term illness, indirectly standardised for the age and sex profile of the population, was sourced from Census 2011.
Ar gyfer MALlC 2019, daeth nifer y bobl fesul 100,000 â salwch cyfyngol hirdymor, wedi'i safoni'n uniongyrchol ar gyfer proffil oedran a rhyw'r boblogaeth, o Gyfrifiad 2011.