Table 1.

Associations between cardiovascular fitness and intelligence scores as well as muscular strength and intelligence scores at age 18 y

Parameter	Global intelligence	Logical intelligence	Verbal intelligence	Visuospatial intelligence	Technical intelligence
Cardiovascular fitness
n	1,214,472	1,159,011	1,158,146	1,158,148	1,146,662
b	0.222 (0.220–0.224)	0.221 (0.219–0.223)	0.189 (0.187–0.190)	0.161 (0.159–0.163)	0.141 (0.139–0.143)
r	0.20	0.20	0.18	0.15	0.13
Muscular strength
n	1,217,584	1,161,545	1,160,685	1,160,687	1,149,185
b	0.056 (0.054–0.057)	0.014 (0.012–0.016)	−0.003 (−0.005 to −0.001)	0.045 (0.043–0.047)	0.129 (0.128–0.131)
r	0.054	0.01	−0.003	0.04	0.13
b1	0.333 (0.320–0.345)	0.237 (0.225–0.250)	0.159 (0.147–0.171)	0.277 (0.265–0.289)	0.429 (0.417–0.441)
b2	0.030 (0.028–0.032)	−0.006 (−0.008 to −0.004)	−0.017 (−0.019 to −0.015)	0.023 (0.021–0.025)	0.100 (0.098–0.102)

Values in parentheses are 95% CIs. b=regression coefficient presented with 95% confidence intervals. r=Pearson correlation coefficients. b1, linear regression analysis for muscular strength score 1–4; b2, muscular strength score 4–9.