Table 3

Factors associated with willingness to pay ≥US$17.5 for children’s spectacles

CharacteristicsWillingness to pay US$17.50 (KHR70,000) or more for children’s spectacles
OR95% CIP value
Participant’s Education
Never been to school/primary schoolReference
Secondary school1.91.0 to 3.40.04
High school3.21.8 to 5.70.001
College/university/vocational/other6.82.9 to 15.8<0.001
Monthly household income
≤804 000 (US$201)Reference
>804 000 but ≤1 200 000 (US$201–US$300)1.40.3 to 6.10.64
>1 200 000 (US$300)8.52.0 to 36.40.006
Attitudes to spectacles
Respondents currently wear spectacles
NoReference
Yes2.21.2 to 4.00.01
Children should not get spectacles before 18 years
AgreeReference
Disagree2.41.1 to 5.40.04
Free spectacles are not of good quality
DisagreeReference
Agree4.01.2 to 13.20.03
  • US$1 = KHR4000

  • KHR, Cambodian (Khmer) Riel; US$, United States Dollar.