Table 1.
Characteristics of study population
| RV1 cohort | RV5 cohort | Any rotavirus vaccine (RV1 or RV5) | Comparison cohort | |
|---|---|---|---|---|
| n = 24,723 | n = 53,558 | n = 78,281 | n = 96,643 | |
| Gender | ||||
| Male | 12,882 (52.1%) | 27,599 (51.5%) | 40,481 (51.7%) | 50,155 (51.9%) |
| Female | 11,841 (47.9%) | 25,959 (48.5%) | 37,800 (48.3%) | 46,488 (48.1%) |
| Birth year a | ||||
| 2007 | 3,805 (15.4%) | 3,924 (7.3%) | 7,729 (9.9%) | 22,013 (22.8%) |
| 2008 | 9,429 (38.1%) | 10,092 (18.8%) | 19,521 (24.9%) | 16,449 (17.0%) |
| 2009 | 10,759 (43.5%) | 9,688 (18.1%) | 20,447 (26.1%) | 13,147 (13.6%) |
| 2010 | 666 (2.7%) | 7,476 (14.0%) | 8,142 (10.4%) | 25,551 (26.4%) |
| 2011 | 62 (0.3%) | 16,597 (31.0%) | 16,659 (21.3%) | 16,063 (16.6%) |
| 2012 | 2 (0.01%) | 5,781 (10.8%) | 5,783 (7.4%) | 3,420 (3.5%) |
| Residence status (as registered in SIP) | ||||
| Resident | 24,451 (99.9%) | 53,255 (99.98%) | 77,706 (99.97%) | 95,643 (99.9%) |
| Long-stay | 17 (0.1%) | 11 (0.02%) | 28 (0.03%) | 49 (0.1%) |
| Covered by the universal health system b | ||||
| Yes | 23,319 (95.3%) | 50,748 (95.3%) | 74,067 (95.3%) | 89,633 (93.7%) |
| No | 1,149 (4.7%) | 2,518 (4.7%) | 3,667 (4.7%) | 6,059 (6.3%) |
| Any vaccination by a private provider | ||||
| Yes | 2,846 (11.5%) | 8,426 (15.7%) | 11,272 (14.4%) | 10,501 (10.9%) |
| No | 21,877 (88.5%) | 45,132 (84.3%) | 67,009 (85.6%) | 86,142 (89.1%) |
| AGE c hospitalization d | ||||
| At least one admission | 230 (0.9%) | 332 (0.6%) | 562 (0.7%) | 1,522 (1.6%) |
| Rotavirus test performed | ||||
| During any AGE hospitalizationd | 183 (79.6 %) | 267 (80.4 %) | 450 (80.1%) | 1,185 (77.9 %) |
aNumber of children born each year. The study period ended in June 2012.
bAnswer NO refers to requested extension of the assistance, without resources/solidarity card, out-of-date accreditation, or non-accredited at the time of data extraction.
cAcute gastroenteritis.
dDischarge diagnosis of intestinal infectious disease (ICD-9-CM codes 001–009).