However these measures were considered conceptually weaker as measures of deprivation, having elements of consumer choice, or exceeding typical daily requirements.
Fodd bynnag, penderfynwyd bod y dulliau mesur hyn yn gysyniadol wannach fel ffyrdd o fesur amddifadedd, gan fod iddynt elfennau o ddewis defnyddwyr, neu fynd y tu hwnt i ofynion dyddiol nodweddiadol.