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Table 3 Probit regression estimates of determinants of willingness to participate in COVID-19 vaccine trial

From: COVID-19 vaccine uptake among health care workers in Ghana: a case for targeted vaccine deployment campaigns in the global south

  Self Someone
Sex (Ref: male)
 Female −0.04 (0.05) −0.05 (0.05)
Age (Ref: 18–23)
 24–29 0.22 (0.15) −0.01 (0.14)
 30–35 0.16 (0.15) −0.05 (0.15)
 36–41 0.28* (0.16) 0.04 (0.16)
 42–47 0.07 (0.19) −0.19 (0.19)
 48+  −0.11 (0.20) −0.38* (0.20)
Marital status (Ref: divorced/widowed)
 Living together −0.24 (0.23) −0.30 (0.23)
 Married 0.06 (0.19) 0.06 (0.20)
 Never married −0.002 (0.20) 0.01 (0.20)
 Separated −0.13 (0.28) −0.17 (0.28)
Region (Ref: Ashanti)
 Ahafo 0.03 (0.26) −0.00 (0.26)
 Brong Ahafo 0.11 (0.15) 0.18 (0.15)
 Bono East 0.08 (0.15) 0.09 (0.15)
 Central −0.03 (0.11) 0.01 (0.11)
 Eastern −0.01 (0.11) 0.02 (0.11)
 Greater Accra 0.02 (0.10) −0.01 (0.10)
 Northern/North East 0.05 (0.12) 0.01 (0.12)
 Savannah −0.18 (0.17) 0.06 (0.21)
 Upper East 0.18 (0.12) 0.13 (0.13)
 Upper West −0.00 (0.15) 0.03 (0.15)
 Volta/Oti −0.02 (0.10) 0.03 (0.10)
 Western/Western North 0.08 (0.11) 0.06 (0.11)
Religion (Christian)
 Moslem/traditionalist/other 0.21** (0.09) 0.19** (0.09)
Education (Ref: certificate)
 Diploma 0.00 (0.06) 0.02 (0.06)
 Bachelors −0.08 (0.06) −0.04 (0.06)
 Masters/PhD/fellowship 0.06 (0.12) 0.06 (0.12)
Professional category (Ref: student)
 Allied health 0.15 (0.10) 0.03 (0.10)
 Medical officer 0.11 (0.15) 0.04 (0.15)
 Midwife −0.02 (0.10) −0.09 (0.10)
 Nurse 0.10 (0.09) −0.02 (0.09)
 Pharmacist −0.09 (0.17) 0.01 (0.19)
 Physician assistant 0.04 (0.18) 0.05 (0.18)
Workplace (Ref: public)
 Private 0.03 (0.08) −0.03 (0.08)
 Mission 0.18*** (0.07) 0.15** (0.07)
 Quasi/Other −0.27*** (0.08) −0.24*** (0.09)
Experience (1 year or less)
 2–5 years 0.05 (0.06) 0.05 (0.06)
 6–9 years 0.06 (0.07) 0.04 (0.07)
 10 years or more 0.12 (0.08) 0.12 (0.09)
COVID-19 treatment centre (Ref: no)
 Yes −0.06 (0.05) −0.07 (0.05)
 Observations 569 563
  1. Average Marginal Effects; standard errors in parentheses; * p < 0.1, ** p < 0.05, *** p < 0.01