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Fig. 1 | BMC Ophthalmology

Fig. 1

From: Predicting participation of people with impaired vision in epidemiological studies

Fig. 1

Variation of the probability of participation predicted by our model according with the continuous variables DISTH and EDU. The two surfaces represent the most favourable and less favourable participation profiles defined according with the categorical variables used. The top yellow surface represents a male, with AHA-frequent, living together, with VA-extreme. The bottom blue surface represents a female, with AHA-rare, married, single or widow, with VA-intermediate

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