Socioeconomic conditions across life related to multiple measures of the endocrine system in older adults: Longitudinal findings from a British birth cohort study

•Socioeconomic position (SEP) across life was related to multiple hormone measures.•Lower SEP was related to lower testosterone in men, higher testosterone in women.•Lower SEP was related to lower IGF-I and higher evening cortisol in both sexes.•SEP differences in multiple hormone axes may underlie later life health inequality.