Graphical representation of data and measures of association · L11 p.41–51
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The 2x2 contingency table to the right provides the relationship between a lifestyle intervention and obesity. Calculate the odds ratio of lifestyle intervention versus no lifestyle intervention.
| Yes | No | Total | |
|---|---|---|---|
| Yes | a15 | b94 | 109 |
| No | c31 | d60 | 91 |
| Total | 46 | 154 | 200 |
The 2x2 contingency table to the right provides the relationship between a lifestyle intervention and obesity. Calculate the risk ratio of lifestyle intervention versus no lifestyle intervention.
| Yes | No | Total | |
|---|---|---|---|
| Yes | a15 | b94 | 109 |
| No | c31 | d60 | 91 |
| Total | 46 | 154 | 200 |
The 2x2 contingency table to the right provides the relationship between a lifestyle intervention and obesity. Calculate the risk difference of lifestyle intervention versus no lifestyle intervention.
| Yes | No | Total | |
|---|---|---|---|
| Yes | a15 | b94 | 109 |
| No | c31 | d60 | 91 |
| Total | 46 | 154 | 200 |
State True or False. 'Effect size' and 'Effect measure' are one and the same.
State True or False. If the variables are not normally distributed, Pearson's correlation coefficient is appropriate.