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Table 1 Distribution of demographic characteristics and vaccination outcomes of children, Shanghai Immunization Program Information System, July 2012

From: Trends in childhood pneumococcal vaccine coverage in Shanghai, China, 2005–2011: a retrospective cohort study

  PCV7 dataset (%) PPSV23 dataset (%)
Overall 33,641 (100) 25,434 (100)
Sex   
 Male 18,019 (53.6) 13,655 (53.7)
 Female 15,622 (46.4) 11,779 (46.3)
Residency   
 Local 13,496 (40.1) 11,241 (44.2)
 Non-local 20,145 (59.9) 14,193 (55.8)
Urbanicity   
 Inner 10,453 (31.1) 8477 (33.3)
 Outer 23,188 (68.9) 16,957 (66.7)
Birth year   
 2005 4753 (14.1) 4422 (17.4)
 2006 4937 (14.7) 4685 (18.4)
 2007 5022 (14.9) 4773 (18.8)
 2008 5014 (14.9) 4724 (18.6)
 2009 5030 (15.0) 4654 (18.3)
 2010 4818 (14.3) 2176 (8.6)
 2011 4067 (12.1) -
Vaccinated with PCV7 Dose 1   
 Yes 3395 (10.1) -
 No 30,246 (89.9) -
Age at PCV7 Dose 1 administrationa   
 <6 weeks of age 5 (0.2) -
 6 weeks to <7 months of age 418 (12.3) -
 7 months to <12 months of age 291 (8.6) -
 12 months to <24 months of age 362 (10.7) -
 Over 24 months of age 2319 (68.3) -
Vaccinated with PPSV23 Dose 1   
 Yes - 7583 (29.8)
 No - 17,851 (70.2)
Age at PPSV23 Dose 1 administrationb   
 <2 years of age - 118 (1.6)
 2 to <3 years of age - 5328 (70.3)
 Over 3 years of age - 2137 (28.2)
  1. PCV7 pneumococcal conjugate vaccine, PPSV23 pneumococcal polysaccharide vaccine
  2. aOnly includes the subpopulation of n = 3395 who were vaccinated for PCV7
  3. bOnly includes the subpopulation of n = 7583 who were vaccinated for PPSV23