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Table 3 Excerpt from example data in semi-expanded format for case crossover conditional logistic analysis

From: Conditional Poisson models: a flexible alternative to conditional logistic case cross-over analysis

Stratum Case-con set Date Ozone Temp-erature Case day Weight
2002 1 Sun 2002 1 Sun 1 06 jan 2002 2.4 7.1 1 198
2002 1 Sun 2002 1 Sun 1 13 jan 2002 17.6 8.2 0 198
2002 1 Sun 2002 1 Sun 1 20 jan 2002 49.9 8.9 0 198
2002 1 Sun 2002 1 Sun 1 27 jan 2002 42.5 10.5 0 198
2002 1 Sun 2002 1 Sun 2 06 jan 2002 2.4 7.1 0 204
2002 1 Sun 2002 1 Sun 2 13 jan 2002 17.6 8.2 1 204
2002 1 Sun 2002 1 Sun 2 20 jan 2002 49.9 8.9 0 204
2002 1 Sun 2002 1 Sun 2 27 jan 2002 42.5 10.5 0 204
2002 1 Sun 2002 1 Sun 3 06 jan 2002 2.4 7.1 0 167
2002 1 Sun 2002 1 Sun 3 13 jan 2002 17.6 8.2 0 167
2002 1 Sun 2002 1 Sun 3 20 jan 2002 49.9 8.9 1 167
2002 1 Sun 2002 1 Sun 3 27 jan 2002 42.5 10.5 0 167
2002 1 Sun 2002 1 Sun 4 06 jan 2002 2.4 7.1 0 169
2002 1 Sun 2002 1 Sun 4 13 jan 2002 17.6 8.2 0 169
2002 1 Sun 2002 1 Sun 4 20 jan 2002 49.9 8.9 0 169
2002 1 Sun 2002 1 Sun 4 27 jan 2002 42.5 10.5 1 169
2002 1 Mon 2002 1 Mon 1 07 jan 2002 4.1 5.2 1 180
2002 1 Mon 2002 1 Mon 1 14 jan 2002 18.7 9.3 0 180
2002 1 Mon 2002 1 Mon 1 21 jan 2002 38.1 10.8 0 180
2002 1 Mon 2002 1 Mon 1 28 jan 2002 56.1 10.3 0 180
. . . .