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Table 4 Univariate logistic regression analysis for factors related to PPSV23 vaccination intention and behavior (PPSV23 vaccination status defined by electronic medical record)

From: Correlation between family physician’s direct advice and pneumococcal vaccination intention and behavior among the elderly in Japan: a cross-sectional study

  OR 95%CI p-value
Age 1.01 0.98–1.12 0.234
Sex 1.03 0.57–1.85 0.953
Personal medical history of pneumonia 0.78 0.30–2.02 0.615
Personal medical history of respiratory disease 0.87 0.42–1.79 0.695
Family history of pneumonia 0.46 0.21–1.01 0.053
Regular health check-ups 0.80 0.27–2.39 0.696
Current smoking habits 1.42 0.57–3.52 0.449
Subjective state of health 0.72 0.43–1.20 0.203
Subjective sense of economic conditions 3.11 1.04–9.31 0.043
Highest level of education completed 1.14 0.70–1.86 0.590
Living alone or with others 1.09 0.43–2.74 0.852
Necessity of transportation to the clinic 1.50 0.87–2.59 0.142
Perceived susceptibility to common colds 2.56 1.39–4.69 0.002
Perceived susceptibility to pneumonia 2.73 1.16–6.46 0.021
Perceived severity of pneumonia 1.79 1.03–3.10 0.038
Perceived effectiveness of PPSV23 3.11 1.86–5.22 <0.001
Perceived barriers to PPSV23 (sense of economic burden) 1.27 0.74–2.18 0.388
Physician’s recommendation 7.52 4.28–13.23 <0.001
Awareness of PPSV23 4.90 2.76–8.72 <0.001
Awareness of public subsidies 1.47 0.79–2.73 0.227
Difficulty in completing the questionnaire 1.44 0.76–2.73 0.263
  1. The PPSV23 vaccinated and unvaccinated groups were defined by the vaccination records in electronic medical record only, irrespective of the reports of vaccination status in the questionnaire. There were significant relationships between PPSV23 vaccination and the following factors: subjective sense of economic conditions, perceived susceptibility to common colds, perceived susceptibility to pneumonia, perceived severity of pneumonia, perceived effectiveness of PPSV23, physician’s direct advice and awareness of PPSV23 (p < 0.05)