Table 3.
Mean intelligence scores across sites controlling for biological sex, years of education and SES
| Site | F | p | |||||
|---|---|---|---|---|---|---|---|
| Brazil | India | Netherlands | South Africa | United States | |||
| Mean FSIQ (SD) | 103.57 (13.07) | 104.57 (16.70) | 110.978 (13.73) | 109.017 (12.36) | 107.921 (17.49) | 0.92 | 0.46 |
| Mean VIQ (SD)* | 104.50 (15.13) | – | 112.10 (12.38) | 114.69 (12.55) | 109.66 (15.10) | 3.38 | 0.72 |
| Mean PIQ (SD)* | 101.95 (18.02) | – | 108.93 (14.87) | 103.14 (15.05) | 105.08 (18.19) | 1.58 | 0.20 |
Abbreviations: F, ANOVA F statistic; FSIQ, full-scale intelligence quotient; PIQ, perceptual intelligence quotient; VIQ, verbal intelligence quotient.
Note: Unadjusted results in the Supplementary Table S2.
*
The Binet Kamat Test does not provide index scores for verbal or perceptual reasoning.