Table 2.
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) |
CI confidence interval, OR odds ratio, aOR adjusted odds ratio, RVGE rotavirus gastroenteritis
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]).
b Further adjusted for perceptions of RVGE, vaccine effectiveness, pediatrician’s recommendation, and information from city papers, magazines, and the Internet