Comparison of early and delayed respondents to a postal health survey: A questionnaire study of personality traits and neuropsychological symptoms

Delayed response to a mail survey is related to age, lifestyle and socioeconomic status, and may provoke bias in epidemiological study. We investigated whether delayed respondents were associated with their personality traits and neuropsychological symptoms. Two hundred and ninety-eight painters from a Scottish dockyard cohort and their 571 male controls… CONTINUE READING