Building public trust and willingness to vaccinate against COVID-19 is as important as developing a safe and effective vaccine to contain the pandemic. Based on the theory of normative social behavior, trust, and the theory of planned behavior, this study tests a comprehensive model for COVID-19 vaccine intentions using a national sample survey of the New Zealand public (N=1040). Among the factors assessed in the study, attitudes towards vaccine was most strongly associated with COVID-19 vaccination intentions, followed by trust in mass media, and social norms. While COVID-19 knowledge was associated with COVID-19 vaccine intention, it was not associated with willingness to pay or get on a COVID-19 vaccine list. In contrast, communication competence was not associated with COVID-19 vaccine intention but was significantly associated with willingness to pay or get on a COVID-19 vaccine list. Findings can help inform theory and practice of health campaigns to fight vaccine disinformation and increase COVID-19 vaccine uptake, when available.