BMJ Open · 15 authors, 9 centres
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The study found that subjective measures of household food adequacy and income sufficiency showed a socioeconomic gradient in vision impairment and cataract surgical coverage, while an objective asset-wealth measure and an economic ladder question did not.
The study found that subjective measures of household food adequacy and income sufficiency demonstrated a socioeconomic gradient in point estimates for any vision impairment and CSC/eCSC. For example, any VI and CSC at the <6/60 threshold were worse among people who reported inadequate household food compared with those with just adequate food. In contrast, the subjective economic ladder question and the objective asset-wealth measure (EquityTool) did not show any gradient or pattern of inequality for any eye health outcome.
