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. 2012 Aug 24;2(4):e001370. doi: 10.1136/bmjopen-2012-001370

Table 2.

Unadjusted differences in measures of estimated dietary intake of ω-3 and mean blood levels according to growing pains at 8.5 years

No growing pains Growing pains p Value
Maternal prenatal FFQ (mean (SD))
 Total ω-3 0.15 (0.15) 0.16 (0.15) 0.614
 DHA 0.07 (0.07) 0.07 (0.07) 0.593
 EPA 0.05 (0.05) 0.05 (0.05) 0.654
Breastfeeding duration
 None (20.7%) 1172 (77.7%) 336 (22.3%) 0.193
 Up to 3 months (31.2%) 1775 (78.2%) 495 (21.8%)
 >3 months (48.2%) 2797 (79.7%) 712 (20.3%)
Child FFQ at 3 years (mean (SD))
 Total n3 0.06 (0.06) 0.06 (0.05) 0.443
 DHA 0.02 (0.03) 0.03 (0.03) 0.449
 EPA 0.02 (0.02) 0.02 (0.02) 0.439
Child FFQ at 6 years (mean (SD))
 Total n3 0.08 (0.09) 0.09 (0.09) 0.173
 DHA 0.03 (0.04) 0.03 (0.04) 0.217
 EPA 0.02 (0.02) 0.02 (0.02) 0.233
Child plasma levels at 7 years (mean (SD))
 AA (20:4n6) 6.45 (1.32) 6.36 (1.32) 0.087
 DHA (22:6n3) 1.89 (0.52) 1.90 (0.53) 0.426
 EPA (20:5n3) 0.64 (0.20) 0.64 (0.20) 0.797
 LA (18:2n6) 30.6 (3.16) 30.7 (3.25) 0.511
 ALA (18:3n3) 0.71 (0.28) 0.72 (0.27) 0.318
Maternal prenatal red cell levels (mean (SD))
 AA (20:4n6) 6.16 (2.98)  6.11 (2.97) 0.727
 DHA (22:6n3) 2.32 (1.36) 2.25 (1.31) 0.215
 EPA (20:5n3) 0.27 (0.18) 0.27 (0.17) 0.331
 LA (18:2n6) 11.10 (2.70) 10.98 (2.82) 0.610
 ALA (18:3n3) 0.14 (0.07) 0.14 (0.07) 0.676

AA, arachidonic acid; ALA, α-linolenic acid; DHA, decosahexaenoic acid; EPA, eicosapentaenoic acid; FFQ, calculated from seafood intake using food frequency questionnaire; LA, linoleic acid.