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Table 2 Univariate logistic regression analysis for factors related to PPSV23 vaccination intention and behavior

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 1.09 1.05–1.14 <0.001
Sex 1.01 0.56–1.81 0.968
Personal medical history of pneumonia 0.41 0.12–1.40 0.150
Personal medical history of respiratory disease 1.70 0.59–4.92 0.326
Family history of pneumonia 0.59 0.22–1.58 0.297
Regular health check-ups 0.38 0.04–3.33 0.381
Current smoking habits 1.75 0.55–5.55 0.341
Subjective state of health 0.66 0.35–1.24 0.196
Subjective sense of economic conditions 4.43 0.99–19.84 0.051
Highest level of education completed 0.95 0.52–1.74 0.872
Living alone or with others 1.83 0.67–5.00 0.240
Necessity of transportation to the clinic 1.61 0.80–3.23 0.178
Perceived susceptibility to common colds 2.58 1.19–5.58 0.016
Perceived susceptibility to pneumonia 2.99 0.84–10.60 0.090
Perceived severity of pneumonia 2.27 1.10–4.72 0.027
Perceived effectiveness of PPSV23 6.07 3.11–11.82 <0.001
Perceived barriers to PPSV23 (sense of economic burden) 1.25 0.64–2.44 0.507
Physician’s recommendation 14.70 7.03–30.77 <0.001
Awareness of PPSV23 16.70 7.45–37.47 <0.001
Awareness of public subsidies 4.35 1.84–10.28 <0.001
Difficulty in completing the questionnaire 1.13 0.54–2.34 0.741
  1. There were significant relationships between PPSV23 vaccination and the following factors: physician’s recommendations, awareness of PPSV23 and public vaccination subsidies, age, perceived susceptibility to common colds, perceived severity of pneumonia, and perceived effectiveness of PPSV23 (p < 0.05)