Table 4

 Adjusted prevalence of willingness to pay for spectacles

Willing to pay US$3 for spectaclesNot willing to pay US$1 for spectacles
Age-adjusted prevalenceAge–gender-adjusted prevalenceAge-adjusted prevalenceAge–gender-adjusted prevalence
MaleFemaleMaleFemale
Values are % (95% CI).
Urban51.6 (46.0 to 57.2)46.0 (40.8 to 51.1)48.9 (45.1 to 52.7)24.2 (19.4 to 29.0)25.9 (21.4 to 30.4)26.9 (23.5 to 30.3)
Rural20.3 (16.4 to 24.2)11.6 (8.2 to 15.1)12.3 (10.0 to 14.7)42.5 (37.7 to 47.3)54.9 (49.6 to 60.3)53.6 (50.1 to 57.2)
Overall prevalence (age–gender–domicile adjusted)25.0 (21.8 to 28.2)15.2 (12.5 to 17.9)17.0 (15.0 to 19.0)40.4 (36.9 to 44.0)51.5 (47.8 to 55.2)50.2 (47.6 to 52.8)