Table 3 Normality test and Spearman correlations between microwear variables and isotope ratios.

From: Integrating buccal and occlusal dental microwear with isotope analyses for a complete paleodietary reconstruction of Holocene populations from Hungary

Microwear variables

Normality test

δ13C

δ15N

N

Shapiro–Wilks

p-value

Rho Spearman

p-value

Rho Spearman

p-value

δ13C

40

0.746

< 0.01

–

–

–

–

δ15N

40

0.885

< 0.01

–

–

–

–

BTN

40

0.972

0.430

0.051

0.752

− 0.138

0.392

XT

40

0.927

0.013

0.291

0.068

− 0.008

0.959

NV/BTN

40

0.969

0.344

− 0.189

0.241

0.347

0.028

NH/BTN

40

0.920

< 0.01

0.219

0.174

− 0.323

0.041

δ13C

37

0.649

< 0.01

–

–

–

–

δ15N

37

0.895

< 0.01

–

–

–

–

OTN

35

0.951

0.124

− 0.094

0.590

− 0.153

0.379

Pits

36

0.964

0.290

− 0.089

0.602

− 0.058

0.736

% Pits

35

0.956

0.198

0.162

0.366

0.099

0.581

Area pits

33

0.905

< 0.01

0.086

0.622

0.236

0.170

  1. N total number of samples included, BTN number of striations on the buccal surface, XT length of striations, NV/BTN vertical index, NH/BTN horizontal index, OTN total number of striations in the occlusal surface, %Pits percentage of pits.
  2. Significant correlations (p < 0.05) in bold.
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