"Given that the sample was primarily undergraduate students, many participants were unreachable or had moved away from the city three years after initial testin

"Given that the sample was primarily undergraduate students, many participants were unreachable or had moved away from the city three years after initial testing, and therefore a small subset of 13 participants (4 women, 9 men; mean age: 28.46 ± 3.93 years old; Table 1) came back for a follow-up assessment" I'd file this under more research needed.