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Table 2 Parents’ perceptions of rotavirus vaccine, rotavirus gastroenteritis, recommendation for vaccination, socioeconomic status, and children’s characteristics by rotavirus vaccine uptake (n = 1268)

From: Determinants of self-paid rotavirus vaccination status in Kanazawa, Japan, including socioeconomic factors, parents’ perception, and children’s characteristics

  Vaccinated
(n = 921)
Unvaccinated
(n = 347)
Crude OR (95% CI) Model 1
aORa (95% CI)
Model 2 aORb (95% CI)
Perception
 I believe that RVGE is a serious disease 738 (80.1%) 184 (53.0%) 3.59 (2.75–4.69) N/A 2.75 (2.01–3.76)
 I believe that the rotavirus vaccination is effective 720 (78.2%) 115 (33.1%) 7.27 (5.53–9.56) N/A 5.66 (4.20–7.63)
 I worry about adverse reactions to the rotavirus vaccine 333 (36.2%) 116 (33.4%) 1.12 (0.87–1.46) N/A  
 I think that the rotavirus vaccine is expensive 829 (90.0%) 309 (89.1%) 1.06 (0.70–1.61) N/A  
Recommendation
 Obstetric doctor recommended the rotavirus vaccine 99 (10.8%) 25 (7.2%) 1.55 (0.98–2.45) N/A  
 Pediatrician recommended the rotavirus vaccine 462 (50.2%) 108 (31.1%) 2.23 (1.72–2.90) N/A 2.04 (1.50–2.78)
 I read information about rotavirus vaccine in a city papers 642 (69.7%) 185 (53.3%) 1.99 (1.55–2.57) N/A 1.77 (1.30–2.41)
 I read information about rotavirus vaccine in magazines and on the Internet 382 (41.5%) 90 (26.0%) 2.03 (1.54–2.67) N/A 1.3 (0.96–1.83)
Socioeconomic status
 Household members ≥4 449 (54.2%) 258 (74.4%) 0.41 (0.31–0.54)   
 Siblings ≥2 452 (49.1%) 252 (72.6%) 0.36 (0.28–0.48) 0.30 (0.22–0.41) 0.36 (0.26–0.49)
 Father’s age < 30 years 142 (15.8%) 68 (20.5%) 0.73 (0.53–1.00)   
 Mother’s age < 30 years 192 (21.0%) 95 (27.4%) 0.70 (0.53–0.94) 0.73 (0.49–1.09)  
 Father’s education level ≥ university 541 (58.7%) 151 (43.5%) 1.85 (1.44–2.37) 1.28 (0.93–1.65)  
 Mother’s education level ≥ university 377 (40.9%) 72 (20.8%) 2.65 (1.98–3.54) 2.00 (1.44–2.78) 2.27 (1.61–3.20)
 Mother’s employment 631 (68.5%) 237 (68.3%) 1.01 (0.77–1.32)   
 Household income below \4,000,000 301 (32.7%) 162 (46.7%) 0.55 (0.43–0.71) 0.61 (0.46–0.80) 0.66 (0.49–0.90)
Children’s characteristics
 Birth weight < 2500 g 82 (8.9%) 31 (8.9%) 1.00 (0.65–1.54)   
 First child 488 (53.2%) 106 (30.7%) 2.57 (1.97–3.34)   
 Having primary diseases 264 (29.9%) 92 (27.6%) 1.12 (0.84–1.48)   
 Daycare use 518 (57.9%) 187 (56.0%) 1.08 (0.84–1.39)   
  1. CI confidence interval, OR odds ratio, aOR adjusted odds ratio, RVGE rotavirus gastroenteritis
  2. a Adjusted for siblings (≥2 or < 2 [reference]), mother’s age (< 30 years or ≥ 30 [reference]), father’s educational level ≥ university (yes/no [reference]), mother’s educational level ≥ university (yes/no [reference]), and household income below \4,000,000 (yes/no [reference]).
  3. b Further adjusted for perceptions of RVGE, vaccine effectiveness, pediatrician’s recommendation, and information from city papers, magazines, and the Internet