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Table 5 Willingness-to-pay for quadrivalent and bivalent vaccines (Baht)

From: Parents’ preferences and willingness-to-pay for human papilloma virus vaccines in Thailand

Attributes Average WTP for quadrivalent vaccine (95 % confidence interval) Average WTP for bivalent vaccine (95 % confidence interval)
(Baht) (Baht)
Father WTP Mother WTP Overall WTP Father WTP Mother WTP Overall WTP
Constant (reference: no vaccination) 4,284.7 (−427.5 to 8,935.1) 7,831.4 (3,312.4 to 12,533.5) 6,240.4 (3,013.6 to 9,501.3) 4,284.7 (−427.5 to 8,935.1) 7,831.4 (3,312.4 to 12,533.5) 6,240.4 (3,013.6 to 9,501.3)
Cervical cancer risk 16,709.0 (12,290.9 to 22,418.0) 14,418.3 (13,014.7 to 17,638.5) 14,693.3 (11,781.0 to 18,137.9) 16,709.0 (12,290.9 to 22,418.0) 14,418.3 (13,014.7 to 17,638.5) 14,693.3 (11,781.0 to 18,137.9)
Genital wart risk 9,324.0 (6,651.0 to 12,726.0) 12,168.0 (9,198.0 to 16,110.0) 10,710.0 (8,658.0 to 13,185.0) 0 0 0
Common side effect −11,057.2 (−15,380.4 to −7,539.0) −9,924.6 (−13,826.4 to −6,697.6) −10,453.8 (−13,286.0 to −8,003.8) −11,057.2 (−15,380.4 to −7,539.0) −9,924.6 (−13,826.4 to −6,697.6) −10,453.8 (−13,286.0 to −8,003.8)
Total WTP 19,260.5(7,846.2 to 31,889.7) 24,493.1 (16,217.7 to 34,882.3) 21,189.9 (13,393.4 to 29,559.5) 9,936.5 (1,195.2to 19,163.7) 12,325.1 (7,019.7 to 18,772.3) 10,479.9 (4,735.4 to 16,374.5)