Table 2.

Adjusted odds ratios of influenza emergency room visits associated with extreme precipitation (≥99th percentile) within 0–6 days, stratified by individual level characteristics

	OR (95% CI)	p
Age group
0–4	1.12 (0.93, 1.35)
5–18	1.32 (1.14, 1.52)
19–64	1.23 (1.15, 1.32)
65+	1.11 (0.85, 1.45)	0.398
Gender
Male	1.23 (1.13, 1.34)
Female	1.23 (1.13, 1.33)	0.987
Race
White	1.24 (1.04, 1.48)
Black	1.48 (1.30, 1.68)
Other	1.18 (1.10, 1.27)	0.035
Temperature
< 40 °F	1.20 (1.12, 1.28)
≥ 40 °F	1.38 (1.21, 1.59)	0.156
Season
Winter (Dec-Feb)	1.22 (1.13, 1.32)
Spring (Mar-May)	1.23 (1.11, 1.36)
Summer (Jun-Aug)	1.18 (0.69, 1.99)
Fall (Sept-Nov)	1.31 (1.00, 1.72)	0.466