Does the arrival index predict physiological stress reactivity in children

Figures & data

Figure 1. Cortisol and sAA responses to the stressor. Duration of the stressor is indicated with the dark gray bars.

Table 1. Descriptives for the study variables.

	N	Md (IQR) or M (SD)
Arrival index cortisol	158	−25.46 (−33.79–−13.18)
Stress index cortisol	158	18.52 (−3.03–51.14)
AUCg cortisol	158	407.23 (318.01–528.69)
AUCi cortisol	158	235.40 (92.71–344.95)
Arrival index sAA	156	−30.16 (−44.02–−7.58)
Stress index sAA	156	51.72 (12.81–119.07)
AUCg sAA	155	9457.75 (6381.75–17,072.50)
AUCi sAA	155	2315.50 (592.75–5783.50)
Trait suppression	158	3.37 (1.01)
Trait reappraisal	158	4.50 (0.88)
Extraversion	157	4.81 (0.83)
Agreeableness	157	5.21 (0.68)
Conscientiousness	157	4.77 (0.94)
Emotional stability	157	4.87 (0.65)
Intellect/openness	157	5.50 (0.64)

Table 2. Correlations between the arrival index, stress index, AUCg and AUCi, separately for cortisol (above the diagonal) and sAA (below the diagonal).

		1	2	3	4
1	Arrival index	–	0.02	0.24**	0.10
2	Stress index	−0.43**	–	0.69**	0.90**
3	AUCg	−0.10	0.27**	–	0.85**
4	AUCi	−0.41**	0.83**	0.59**	–

**p ≤ 0.01.

Table 3. Correlations between the cortisol and sAA arrival indices, and personality and emotion regulation variables.

	Cortisol arrival index	sAA arrival index
Trait suppression	−0.05	−0.10
Trait reappraisal	−0.08	0.00
Extraversion	0.09	−0.01
Agreeableness	−0.14	0.09
Conscientiousness	0.03	−0.05
Emotional stability	0.00	0.14
Intellect/openness	0.05	0.14