Table 2. Mean and standard deviation of saliva flow rate and SIgA levels and percentage variation (Δ%), upper respiratory illness symptoms and stress symptoms (n = 8). Data are means (±SD).
Baseline Week 1 Week 2 Week 3 Week 4 Week 5
Saliva flow rate (ml·min-1) .84 (.26) .91 (.18) .81 (.17 .81 (.27) .78 (.32) .83 (.46)
Δ% saliva flow rate - 12.8 (32.3) .99 (28.50) 3.49 (41.90) −2.60 (44.7) −.75 (51.3)
SIgA concentration (µg·ml-1) 52.2 (32.1) 55.5 (32.3) 78.2 (30.3) 38.8 (16.6) 69.3 (34.9) 59.8 (31.4)
Δ% SIgA concentration - 14.3 (34.1) 67.0 (37.2) −15.0 (27.8) †† 97.1 (90.7) 35.8 (73.5)
SIgA secretion rate (µg·ml-1) 52.2 (59.4) 49.0 (27.1) 61.0 (21.9) 30.3 (13.7) 56.3 (35.3) 49.0 (27.3)
Δ% SIgA secretion rate - 31.7 (68.4) 69.1 (74.7) −10.7 (54.3) 60.0 (127.6) 54.6 (135.7)
URI – total reports - - - 17 3 -
URINo. of affected individuals - - - 2 2 -
URI episodes (max and min) - - - 0 -10 0 – 2 -
Stress symptoms
Stress symptoms (max and min)
- 2.4 (2.2)
(0 – 6)
2.6 (3.4)
(0 – 7)
3.1 (4.5 )
(0 – 11)
2.3 (3.9 )
(0 – 7)
2.6 (3.7)
(0 – 10)
†† p < 0.05, in relation to weeks 2 and 4.