Table 3

2D:4D index vs. empirically derived clusters (t-test). Adjusted p-values controlled for the shortening effect of osteoarthrotic changes in the second and fourth fingers (analysis of covariance)

Empirical classification based on

Number

2D:4D

p-value (crude)

p-value (adjusted)


Anthropometric parameters

0.273

0.258

Cluster 1

168

0.923

Cluster 2

320

0.926

Behavioural variables

0.413

0.415

Cluster 1

349

0.925

Cluster 2

139

0.924

Nutritional variables

0.420

0.448

Cluster 1

320

0.924

Cluster 2

170

0.926

Work-related variables

0.301

0.275

Cluster 1

258

0.926

Cluster 2

228

0.924

Health-related variables

0.972

0.789

Cluster 1

83

0.924

Cluster 2

397

0.925

Fertility variables

0.55

0.55

Cluster 1

57

0.927

Cluster 2

485

0.925


Vehmas et al. Journal of Negative Results in BioMedicine 2006 5:12   doi:10.1186/1477-5751-5-12

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