Table 4 Terms involved in latent class models, for R = 3 laboratories
Model | Terms of interest | Other terms fitted |
|---|---|---|
1 | Test accuracy (A|X, B|X, C|X) | True exposure prevalence (X) |
2 | Test accuracy, differential by disease (A|DX, B|DX, C|DX) | True exposure prevalence (X) |
3 | Test accuracy, constant across labs (A|X = B|X = C|X) | True exposure prevalence (X) |
4 | Test accuracy, constant across labs, differential by disease (A|DX = B|DX = C|DX) | True exposure prevalence (X) |
5 | True exposure by disease (X|D) | Test accuracy (A|X, B|X, C|X) |
6 | True exposure by disease (X|D) | Test accuracy, constant across labs (A|X = B|X = C|X) |
7 | Empirical exposure by disease (A|D, B|D, C|D) | |
8 | Empirical exposure by disease constant across labs (A|D = B|D = C|D) |