|
Study period
|
84 days
|
|---|
|
Days in 1 period
|
1 day
|
3 days
|
7 days
|
14 days
|
28 days
|
42 days
|
|---|
|
M
|
83
|
27
|
11
|
5
|
2
|
1
|
|---|
|
ORSCL
|
2.82 (2.14–3.71)
|
2.73 (2.08–3.60)
|
2.53 (1.93–3.33)
|
2.28 (1.74–2.99)
|
2.05 (1.54–2.74)
|
1.91 (1.38–2.64)
|
|
ORMH
|
1.99 (1.58–2.51)
|
1.98 (1.57–2.50)
|
1.97 (1.55–2.50)
|
1.94 (1.51–2.48)
|
1.93 (1.46–2.56)
|
1.91 (1.38–2.64)
|
|
ORG
|
1.99 (1.49–2.65)
|
1.98 (1.48–2.64)
|
1.97 (1.48–2.62)
|
1.94 (1.44–2.58)
|
1.93 (1.43–2.62)
|
1.91 (1.36–2.72)
|
- M is the number of control periods
- ORSCL: odds ratio by the standard conditional logistic regression; ORMH: odds ratio by the Mantel-Haenszel method; ORG: odds ratio by the Greenland’s method; 95%CI: 95% confidence interval; 2.5–97.5pct: 2.5 to 97.5 percentiles
