TABLE 2.

Associations between gross motor skill (Total GMS, LC, and OCS) presented as continuous scores and in Tertiles with inhibitory control scores (IC-ACC and IC-RT) on the Fish Flanker Test in preschool children ages 4-6 years (N = 123).

Variable	IC-ACC (accuracy),β (95%CI)		IC-RT (reaction time),β (95%CI)
	Model 1	Model 2	Model 1	Model 2
Total GMS (Score)	0.24 (−0.01, 0.48)	0.09 (−0.16, 0.33)	−6.08 (−11.35,−0.80)	−8.27 (−14.20,−2.34)
Total GMS tertile (Score)
T1 (42-70)	0 (Ref)	0 (Ref)	0 (Ref)	0 (Ref)
T2 (71-76)	7.71 (1.73, 13.69)	6.47 (0.62, 12.33)	−70.56 (−198.94, 57.81)	−109.35 (−250.13, 31.43)
T3 (77-92)	4.06 (−1.92, 10.04)	2.40 (−3.44, 8.23)	−154.66 (−283.04,−26.29)	−216.98 (−357.39,−76.57)
P for trend	0.092	0.25	0.02	<0.01
Locomotor (Score)	0.40 (−0.02, 0.83)	0.10 (−0.32, 0.53)	−10.62 (−19.55,−1.70)	−11.20 (−21.43,−0.97)
Locomotor tertile (Score)
T1 (19-35)	0 (Ref)	0 (Ref)	0 (Ref)	0 (Ref)
T2 (36-40)	2.83 (−3.22, 8.87)	−1.37 (−7.46, 4.71)	−35.83 (−165.68, 94.01)	−18.85 (−166.68, 128.97)
T3 (41-46)	6.18 (0.06, 12.29)	1.27 (−4.80, 7.33)	−114.03 (−245.38, 17.31)	−116.97 (−264.37, 30.42)
P for trend	0.05	0.68	0.09	0.12
Object-control (Score)	0.24 (−0.16, 0.64)	0.14 (−0.28, 0.55)	−6.01 (−14.51, 2.49)	−12.15 (−22.07,−2.23)
Object-control tertile (Score)
T1 (13-32)	0 (Ref)	0 (Ref)	0 (Ref)	0 (Ref)
T2 (33-37)	4.41 (−1.84, 10.66)	1.73 (−4.49, 7.96)	−58.86 (−193.34, 75.62)	−60.76 (−211.30, 89.78)
T3 (38-46)	0.74 (−5.41, 6.90)	−0.56 (−6.93, 5.81)	−62.67 (−195.07, 69.72	−147.55 (−301.63, 6.52)
P for trend	0.73	0.96	0.34	0.07

Ref, Referent; GMS, gross movement skill; CI, confidence interval; The β values are standardized; The bold font is used to highlight significance level at P < 0.05; Model 1: Unadjusted; Model 2: Adjust for sex, age, BMI, maternal education, number of participants’ extracurricular classes, and per capita household income.