Illness and period1 | Intervention arm | Control arm | Incidence rate ratio2 (95% CI) (Full dataset) | Incidence rate ratio (95% CI) Sensitivity analysis2,3 | ||||
---|---|---|---|---|---|---|---|---|
Per 1000 resident days | Number of cases | Per 1000 resident days | Number of cases | p-value | p-value | |||
Gastroenteritis | ||||||||
Baseline | 1.16 | (75/64617) | 1.32 | (72/54453) | ||||
Follow-up 1 | 0.84 | (89/106554) | 0.51 | (57/111048) | ||||
Follow-up 2 | 0.18 | (26/144914) | 0.08 | (12/158900) | ||||
2.32 (1.49, 3.61) | < 0.001 | 1.03 (0.56, 1.90) | 0.92 | |||||
Influenza-like illness | ||||||||
Baseline | 1.15 | (74/64617) | 0.48 | (26/54453) | ||||
Follow-up 1 | 0.89 | (95/106554) | 0.93 | (103/111048) | ||||
Follow-up 2 | 0.19 | (27/144914) | 0.14 | (22/158900) | ||||
0.51 (0.31, 0.82) | < 0.01 | –4 | – | |||||
Pneumonia | ||||||||
Baseline | 0.76 | (49/64617) | 0.62 | (34/54453) | ||||
Follow-up 1 | 0.83 | (88/106554) | 0.76 | (84/111048) | ||||
Follow-up 2 | 0.38 | (55/144914) | 0.52 | (82/158900) | ||||
0.87 (0.60, 1.26) | 0.47 | 0.79 (0.52, 1.21) | 0.28 | |||||
Urinary tract infection | ||||||||
Baseline | 1.72 | (111/64617) | 1.43 | (78/54453) | ||||
Follow-up 1 | 1.86 | (198/106554) | 1.02 | (113/111048) | ||||
Follow-up 2 | 1.48 | (214/144914) | 1.43 | (227/158900) | ||||
1.05 (0.78, 1.42) | 0.75 | 1.15 (0.83, 1.59) | 0.39 |