Variable | Â | Overall | Â | No rotavirus vaccination | Rotavirus vaccination | P valuea | ||
---|---|---|---|---|---|---|---|---|
 |  | N | % | n | % | n | % |  |
Total participants | Â | 880,629 | Â | 537,516 | Â | 343,113 | Â | Â |
Sex | Male | 450,956 | 51.2 | 275,336 | 51.2 | 175,620 | 51.2 | 0.719 |
 | Female | 429,673 | 48.8 | 262,180 | 48.8 | 167,493 | 48.8 |  |
Year of birth | 2010 | 162,510 | 18.5 | 161,049 | 30.0 | 1461 | 0.4 | < 0.001 |
 | 2011 | 158,273 | 18.0 | 156,413 | 29.1 | 1860 | 0.5 |  |
 | 2012 | 154,619 | 17.6 | 152,182 | 28.3 | 2437 | 0.7 |  |
 | 2013 | 142,384 | 16.2 | 50,625 | 9.4 | 91,759 | 26.7 |  |
 | 2014 | 135,007 | 15.3 | 9726 | 1.8 | 125,281 | 36.5 |  |
 | 2015 | 127,836 | 14.5 | 7521 | 1.4 | 120,315 | 35.1 |  |
Region | North East | 34,011 | 3.9 | 20,654 | 3.8 | 13,357 | 3.9 | < 0.001 |
 | North West | 130,546 | 14.8 | 79,505 | 14.8 | 51,041 | 14.9 |  |
 | Yorkshire and Humber | 31,402 | 3.6 | 19,359 | 3.6 | 12,043 | 3.5 |  |
 | East Midlands | 21,895 | 2.5 | 13,548 | 2.5 | 8347 | 2.4 |  |
 | West Midlands | 146,977 | 16.7 | 89,481 | 16.7 | 57,496 | 16.8 |  |
 | East of England | 50,765 | 5.8 | 30,517 | 5.7 | 20,248 | 5.9 |  |
 | South West | 110,315 | 12.5 | 67,537 | 12.6 | 42,778 | 12.5 |  |
 | South Central | 109,198 | 12.4 | 66,514 | 12.4 | 42,684 | 12.4 |  |
 | London | 180,914 | 20.6 | 111,218 | 20.7 | 69,696 | 20.3 |  |
 | South East Coast | 64,231 | 7.3 | 38,920 | 7.2 | 25,311 | 7.4 |  |
IMD quintile | 1 | 173,439 | 19.7 | 104,602 | 19.5 | 68,837 | 20.1 | < 0.001 |
 | 2 | 158,821 | 18.1 | 95,364 | 17.8 | 63,457 | 18.5 |  |
 | 3 | 161,999 | 18.4 | 98,331 | 18.3 | 63,668 | 18.6 |  |
 | 4 | 182,182 | 20.7 | 111,907 | 20.8 | 70,275 | 20.5 |  |
 | 5 | 203,415 | 23.1 | 126,859 | 23.6 | 76,556 | 22.3 |  |
T1D record | No | 879,896 | 99.9 | 537,027 | 99.9 | 342,869 | 99.9 | 0.001 |
 | Yes | 733 | 0.1 | 493 | 0.1 | 240 | 0.1 |  |
CD record | No | 878,972 | 99.8 | 536,380 | 99.9 | 342,592 | 99.9 | < 0.001 |
 | Yes | 1657 | 0.2 | 1136 | 0.2 | 521 | 0.2 |  |
 |  | Mean | SD | Mean | SD | Mean | SD |  |
GP consultations per year |  | 7.29 | 4.96 | 7.08 | 5.02 | 7.63 | 4.84 | < 0.001 |
Person-days at-risk |  | 1843 | 773 | 2015 | 809 | 1577 | 624 | < 0.001 |