Table 5.
Pearson correlations between RBC δ 15N and δ 13 C and the estimated factor scores: Yup'ik people (n 356)* aged ≥18 years, south-west Alaska, USA, September 2009–2011
| Processed foods | Fruits and vegetables | Subsistence foods | |||||||||||||
| (Factor 1) | (Factor 2) | (Factor 3) | |||||||||||||
| r | P | P† | r | P | P† | r | P | P† | |||||||
| RBC δ 15N | −0·492 | <0·001 | <0·001 | −0·144 | 0·007 | 0·258 | 0·252 | <0·001 | 0·027 | ||||||
| RBC δ 13C | 0·364 | <0·001 | <0·001 | 0·000 | 0·996 | 0·211 | 0·058 | 0·276 | 0·173 | ||||||
RBC, red blood cell.
*
Biomarker data missing on two participants.
†
Adjusted for the other study participant characteristics (community location, age, sex, Kass'aq lifestyle and Yup'ik lifestyle) using a multivariate linear regression model, n 352 due to missing values.