Table 1.

Factors related to concentrations of cortisol and immunoglobulin A in saliva.^a,b

Measure	Time 1 (n = 44) start pre-season		Time 2 (n = 43) start season		Time 3 (n = 43) end season
	F	p	F	p	F	p
	SCunadjusted
Caffeine (today)	0.32	0.58	0.01	0.97	0.14	0.71
Infection or illness (last week)	0.36	0.55	0.39	0.54	0.03	0.86
Antibiotics (last week)	6.17	0.02*	0.14	0.71	0.98	0.33
Caffeine × infection	0.89	0.35	0.49	0.49	0.12	0.73
Caffeine × antibiotics	0.45	0.51	0.13	0.73	0.88	0.36
Infection × antibiotics	6.13	0.02*	0.12	0.74	0.52	0.48
Time since seeing daylight (min)	1.55	0.22	5.70	0.02*	4.88	0.04*
Time for salivac (s)	8.36	0.01*	0.45	0.83	0.02	0.88
	sIgAunadjusted
Caffeine (today)	0.01	0.99	0.09	0.77	1.09	0.30
Infection or illness (last week)	0.19	0.67	0.07	0.79	1.09	0.30
Antibiotics (last week)	2.32	0.14	0.41	0.53	0.27	0.61
Caffeine × infection	0.78	0.38	1.59	0.22	0.74	0.40
Caffeine × antibiotics	4.94	0.03*	0.15	0.70	0.24	0.63
Infection × antibiotics	4.62	0.04*	0.48	0.49	0.05	0.82
Time since seeing daylight (min)	0.03	0.87	0.09	0.77	0.16	0.69
Time for salivac (s)	0.29	0.59	0.77	0.39	0.13	0.72

^aAdjusted for age, height and weight, *p < 0.05.

^bLifestyle factors of caffeine, antibiotics, and infection coded “yes” or “no.”

^cTime to produce 0.5 mL of saliva.