Correction to: Journal of Exposure Science & Environmental Epidemiology https://doi.org/10.1038/s41370-025-00773-3, published online 24 April 2025

In the sentence beginning ‘We observe higher discordance amongst...’ in this article and in table 2, column ‘Variable’, the term ‘MZ’ should have read ‘DZ’ and vice versa. The corrected table is given below.

The original article has been corrected.

Table 2 Number of twin pairs who were discordant for levels of PFOA or PFOS at each timepoint (n pairs = 971).

Variable

Timepoint 1

Timepoint 2

Timepoint 3

PFOA N discordant (DZ, MZ)

287 (189, 98)

320 (207, 113)

285 (177, 108)

PFOS N discordant (DZ, MZ)

283 (183, 100)

247 (164, 83)

261 (170, 91)