Table 1.
Archaeological dental calculus samples included in this study
| Island | Island group/Area | # Samples (# passed) | Age BPa | Processing lab |
|---|---|---|---|---|
| Efate | Vanuatu, Pacific | 5 (5) | 1050–0 | Jena |
| Efate | Vanuatu, Pacific | 16 (10) | 3000–2300 | Otago |
| Flores | Lesser Sunda Islands, ISEA | 3 (3) | 3000–2100 | Oklahoma |
| Futuna | Vanuatu, Pacific | 3 (2) | 1270–290 | Jena |
| Raiatea | Society Islands, Pacific | 2 (2) | 240–0 | Jena |
| Rapa Nui | Rapa Nui, Pacific | 18 (15) | 630–0 | Oklahoma |
| Taumako | Duff Islands, Pacific | 17 (16) | 440–0 | Jena |
| Tongatapu | Tonga, Pacific | 6 (5) | 2700–2400 | Jena |
| Uripiv | Vanuatu, Pacific | 6 (3) | 2600–2000 | Otago |
| Vao | Vanuatu, Pacific | 5 (4) | 2750–2000 | Otago |
| Viti Levu | Fiji, Pacific | 6 + 13 (4 + 2)b | 1700–1300 | Oklahoma+Jena |
| Watom | Bismarck Archipelago, Pacific | 2 (1) | 2700–2300 | Otago |
aAge BP is the estimated age range for the individuals by site. See Supplementary Data 1 for details.
bSamples from Viti Levu were extracted in two labs, either in Oklahoma or in Jena. Of the 6 samples extracted in Oklahoma, 4 were well-preserved, while of the 13 extracted in Jena, only 2 were well-preserved.