Table 2 Frequency of statistical tests used to determine presence of predisposition within the included papers
Statistical test used | No. of papersa |
|---|---|
Kendall’s tau | 13 |
Spearman’s rank | 8 |
Logistic regression | 4 |
Chi-square | 4 |
ANOVA | 2 |
Chi-square test for trend | 1 |
Comparing percentage of participants with high egg count with percentage of houses they were present in | 1 |
Comparison of percentages | 1 |
Correlation (no further details provided) | 1 |
Fisher’s exact test | 1 |
Looking at association | 1 |
Multiple regression | 1 |
Odds ratio | 1 |
Ranked correlation coefficient | 1 |
Ratio of observed proportion infected and predicted proportion | 1 |
Relative risks | 1 |
Three-level hierarchical statistical model applied to worm counts | 1 |
Transitional probability matrix | 1 |
Variance components analysis | 1 |