Table 1 Demographic characteristics of commercially insured children aged < 18 years with AOM episodes, by PCV period (1998–2018)
Perioda | Pre-PCV7 | Early PCV7 | Late PCV7 | Early PCV13 | Late PCV13 |
|---|---|---|---|---|---|
(1998–1999) | (2001–2005) | (2006–2009) | (2011–2013) | (2014–2018) | |
Total number of children with AOM, Nb | 237,100 | 2,388,239 | 4,226,586 | 4,320,277 | 4,157,822 |
Age, mean (SD)c,d | 4.82 (4.56) | 4.63 (4.44) | 4.65 (4.43) | 4.89 (4.49) | 4.93 (4.58) |
< 2 years, % | 31.1% | 31.5% | 30.9% | 28.6% | 29.2% |
2–4 years, % | 26.7% | 28.3% | 28.7% | 28.6% | 28.2% |
5–17 years, % | 42.2% | 40.2% | 40.4% | 42.8% | 42.6% |
Male, % | 51.8% | 52.0% | 52.1% | 52.1% | 52.1% |
Region | |||||
Northeast, % | 17.7% | 10.5% | 10.7% | 17.4% | 17.5% |
North Central, % | 26.3% | 23.9% | 27.2% | 25.9% | 22.1% |
South, % | 40.4% | 43.1% | 48.7% | 36.7% | 44.4% |
West, % | 6.0% | 21.1% | 12.8% | 17.1% | 14.8% |
Missing/unknown, % | 9.6% | 1.5% | 0.6% | 2.9% | 1.2% |
Urbanicity | |||||
Urban, % | 70.3% | 80.8% | 83.2% | 82.7% | 83.1% |
Rural, % | 20.0% | 17.8% | 16.2% | 14.3% | 11.9% |
Missing, % | 9.6% | 1.4% | 0.6% | 2.9% | 4.9% |
Health plan types | |||||
HMO/EPO, % | 10.6% | 23.2% | 16.2% | 14.3% | 10.2% |
PPO/POS, % | 57.1% | 66.4% | 76.0% | 69.4% | 64.5% |
CDHP/HDHP, % | 0.0% | 1.2% | 2.8% | 9.0% | 20.5% |
FFS, % | 31.9% | 6.6% | 1.6% | 0.9% | 1.3% |
Missing, % | 0.4% | 2.6% | 3.3% | 6.3% | 3.5% |