Salivary Biomarkers (Opiorphin, Cortisol, Amylase, and IgA) Related to Age, Sex, and Stress Perception in a Prospective Cohort of Healthy Schoolchildren
Table 2
Spearman’s rank order correlations between total salivary parameters, divided by groups (young children group 1 and older children group 2), boys and girls.
Variables
Spearman’s rank order correlations
Total (age 6-11) ()
Group 1 (age 6-7) ()
Group 2 (age 8-11) ()
Boys (age 6-11) ()
Girls (age 6-11) ()
sIgA vs. age
0.19
-0.21
0.17
0.16
0.22
sIgA vs. height
0.24
0.03
0.24
0.22
0.25
sIgA vs. body mass
0.22
-0.05
0.24
0.21
0.22
sIgA vs. BMI
0.12
-0.06
0.15
0.11
0.13
sIgA vs. waist size
0.15
-0.08
0.17
0.14
0.15
sIgA vs. hip size
0.21
0.02
0.21
0.19
0.22
sIgA vs. cortisol
0.14
sAA vs. age
0.11
0.12
0.03
0.10
0.12
sAA vs. height
0.08
-0.09
0.05
0.05
0.12
sAA vs. body mass
0.10
-0.03
0.07
0.07
0.13
sAA vs. BMI
0.09
-0.01
0.09
0.06
0.12
sAA vs. waist size
0.08
-0.03
0.08
0.04
0.13
sAA vs. hip size
0.10
0.04
0.08
0.08
0.12
sAA vs. SE1
-0.10
Cortisol vs. age
0.001
0.03
-0.05
0.00
0.01
Cortisol vs. height
-0.02
-0.03
-0.03
-0.02
-0.02
Cortisol vs. body mass
-0.01
0.01
-0.02
-0.02
0.00
Cortisol vs. BMI
-0.02
0.02
-0.03
-0.03
0.00
Cortisol vs. waist size
-0.01
-0.01
0.00
0.00
-0.01
Cortisol vs. hip size
-0.02
0.001
-0.03
-0.07
0.02
OPI vs. age
0.04
0.32
0.04
0.02
0.06
OPI vs. height
0.10
0.27
0.10
0.08
0.11
OPI vs. body mass
0.09
0.04
0.09
0.06
0.12
OPI vs. BMI
0.05
-0.11
0.07
0.00
0.10
OPI vs. waist size
0.10
0.11
0.09
0.08
0.12
OPI vs. hip size
0.05
-0.01
0.06
0.02
0.08
OPI vs. sAA
0.15
OPI vs. SE1
0.11
sIgA: salivary IgA; sAA: salivary alpha-amylase; OPI: opiorphin; SE1: children with distressing events in the past; BMI: body mass index; vs.: versus; : number of patients; ns: statistically nonsignificant. with statistical correlation, .
