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Table 3 Estimateda base pair change in telomere length relative to the reference group

From: Associations between polyfluoroalkyl substance and organophosphate flame retardant exposures and telomere length in a cohort of women firefighters and office workers in San Francisco

 

Firefighters Δbpb (CIc)

Office Workers Δbp (CI)

PFHxS

 Referenced

–

–

 Q2

−62 (− 728, 604)

209 (− 515, 933)

 Q3

− 180 (− 850, 491)

238 (− 522, 998)

 Q4

366 (− 301, 1033)

163 (− 563, 889)

PFOA

 Reference

–

–

 Q2

209 (− 464, 882)

10 (− 704, 724)

 Q3

290 (− 387, 967)

500 (−197, 1198)

 Q4

368 (− 327, 1063)

143 (− 584, 869)

PFOS

 Reference

–

–

 Q2

211 (− 453, 876)

301 (− 417, 1019)

 Q3

599 (−82, 1280)

−18 (− 716, 681)

 Q4

397 (− 288, 1082)

426 (− 357, 1210)

PFNA

 Reference

–

–

 Q2

1250 (631, 1869)*

− 344 (− 1064, 376)

 Q3

809 (197, 1421)*

− 46 (− 769, 676)

 Q4

668 (29, 1307)*

164 (−576, 904)

PFDA

 Reference

–

–

 Q2

187 (− 472, 845)

−4 (− 729, 721)

 Q3

614 (−48, 1275)

−6 (− 722, 710)

 Q4

396 (−265, 1058)

245 (− 489, 978)

PFUnDA

 Reference

–

–

 T2

22 (− 549, 592)

− 154 (− 774, 466)

 T3

488 (−88, 1065)

215 (− 430, 861)

PFBuS

 Reference

–

–

 T2

−184 (− 782, 414)

144 (− 503, 791)

 T3

−19 (− 606, 569)

15 (− 598, 628)

  1. a Model adjusted for age (years) and dairy and egg consumption (times per week)
  2. b change in base pairs
  3. c CI = 95% confidence interval
  4. d Reference category is first quartile or tertile of exposure
  5. * Statistically significant (p ≤ 0.05)