Table 1. Distribution of reasons for 13-valent pneumococcal conjugate vaccine hesitancy among study participants in Weifang City, Shandong Province, China.

Reason	No. of participants	Proportion (%)
Note: The study used multiple-choice questions to analyze the reasons for vaccine hesitancy, so the sum of these three categories was not 100%.
A: Individual and group influences
A1: I don’t know much about 13-valent pneumococcal conjugate vaccine	249	75.5
A2: I don’t know where to get 13-valent pneumococcal conjugate vaccine	1	0.3
A3: The children are healthy and do not need the 13-valent pneumococcal conjugate vaccine	45	13.6
A4: Children with allergies or contraindications cannot receive the 13-valent pneumococcal conjugate vaccine	9	2.7
A5: Children were considered too young to receive the 13-valent pneumococcal conjugate vaccine	4	1.2
B: Contextual influences
B1: Participants’ work schedule or traveling distance from home to vaccination clinic prevent them from having their children receive the 13-valent pneumococcal conjugate vaccine	13	3.9
B2: Whether children should receive the 13-valent pneumococcal conjugate vaccine should be discussed with family members	7	2.1
B3: Participants are not willing to pay the vaccination fee on their own	1	0.3
C: Vaccine/vaccination-specific influences
C1: The 13-valent pneumococcal conjugate vaccine is expensive	33	10.0
C2: The efficacy of 13-valent pneumococcal conjugate vaccine is uncertain	92	27.9
C3: The safety of 13-valent pneumococcal conjugate vaccine is uncertain	84	25.5
C4: The 13-valent pneumococcal conjugate vaccine is not included in the immunization program	2	0.6
C5: The 13-valent pneumococcal conjugate vaccine is not mandatory	1	0.3