Table 3

Monthly prevalence recorded 3 months before the Olympics (April–May 2016)

Symptom category	Definition	Responses		Prevalence (%)
Symptom category	Definition	Yes	No	Prevalence (%)
Upper respiratory	Any symptoms	61	71	46
	Sports incapacity	58	3	95
	Number of days
	Full (n=59)	4.4±4.6		97*
	Mod (n=20)	0.9±1.6		33*
	No (n=17)	0.7±1.4		28*
Bodily aches	Any symptoms	26	106	20
	Sports incapacity	26	1	96
	Number of days
	Full (n=25)	6.5±5.6		96*
	Mod (n=5)	0.5±1.0		19*
	No (n=4)	0.3±0.9		15*
Gastrointestinal	Any symptoms	28	104	21
	Sports incapacity	22	6	79
	Number of days
	Full (n=22)	4.1±6.4		79*
	Mod (n=6)	0.4±0.8		21*
	No (n=9)	0.7±1.2		32*
Head	Any symptoms	31	101	32
	Sports incapacity	27	4	87
	Number of days
	Full (n=27)	2.4±2.0		87*
	Mod (n=8)	0.4±0.8		26*
	No (n=7)	0.3±0.7		23*
Chest	Any symptoms	10	122	7.6
	Sports incapacity	10	0	100
	Number of days
	Full (n=10)	6.8±7.2		100*
	Mod (n=3)	0.5±1.0		30*
	No (n=3)	0.5±0.8		30*
Fatigue	Any symptoms	48	84	36
	Sports incapacity	45	3	94
	Number of days
	Full (n=45)	7.1±6.3		94*
	Mod (n=8)	0.6±1.5		17*
	No (n=2)	0.2±0.9		42*
Eye	Any symptoms	10	122	7.6
	Sports incapacity	8	2	80
	Number of days
	Full (n=8)	2.9±2.5		80*
	Mod (n=1)	0.1±0.3		10*
	No (n=0)	0±0		0.0*
Other illness	Any symptoms	2	132	1.5
	Sports incapacity	2	0	100
	Number of days
	Full (n=1)	0.5±0.7		50*
	Mod (n=2)	3.0±2.8		100*
	No (n=1)	1.5±2.1		50*
Injury	Number of injuries
	(Range)	0–3
	(Mean±SD)	0.4±0.6
	Sports incapacity	31	101	24
	Medical attention	57	75	43
	Medical treatments	1.9±3.5

*Note this is the prevalence among those with symptoms.
Number of days with symptoms expressed as mean±SD. Type of training: Mod, modified training due to symptoms; No, no training due to symptoms; Full, full training with symptoms.