Table 1.

Basic demographics of seasonal variation patients.

Location		Demographics
		Patients, n	Patient age, mean (SD)	Male, n	Male patient age, mean (SD)	Female, n	Female patient age, mean (SD)
Tasmania
	Test	23	70.3 (9.4)	14	70.5 (11.0)	9	69.9 (6.6)
	Control	45	72.7 (9.0)	25	73.5 (8.1)	20	71.6 (10.1)
Australian Capital Territory
	Test	11	71.1 (7.9)	8	70.4 (8.4)	3	73.1 (7.4)
	Control	13	75.8 (7.8)	7	73.3 (7.4)	6	77.3 (8.4)
Victoria
	Test	6	65.4 (6.1)	3	68.6 (4.5)	3	62.1 (6.4)
	Control	1	76.1 (0)	0	—	1	76.1 (0)
Queensland
	Test	21	70.9 (10.5)	12	68.7 (8.9)	9	73.8 (12.4)
	Control	16	74.3 (7.5)	10	74.5 (7.9)	6	73.9 (7.6)
Total
	Test	61	70.2 (9.2)	37	69.7 (9.1)	24	70.8 (9.5)
	Control	75	73.5 (8.4)	42	73.7 (7.7)	33	73.2 (9.3)
	All	136	72.0 (8.9)	79	71.9 (8.6)	57	72.2 (9.4)