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This was obtained in order that the logistic regression analysis yields a significant estimate with a two-tailed level of significance at 5% and a statistical power of 80% for a risk factor of fracture which exists in 20% of the population and increases the fracture risk by 75% compared with people without the risk factor who run the absolute fracture risk of 1% per year.
Statistical power was estimated for a logistic regression analysis to yield a significant estimate for a risk factor with a two-tailed level of significance at 5% under a sample size of 2000 with various combinations of assumptions.
However, when we specified the age of the child in linear form, we obtained a significant estimate even with household dummies.
From their most preferred specification, they received a significant estimate of a 3.3 percentage point change in employment for the entire group.
Only when the equation is estimated using the entire wage sample and the immigrant component instrument is the coefficient estimate indistinguishable from zero, applying the same instrument to the native wage sample yields a significant estimate of −.19.
Modelling functional class membership in terms of some measurement, X, of differential gene expression between two conditions as follows:
Similar(50)
A myth surrounding this issue is that one shall place more trust in a statistically significant estimate than in a non-significant one.
However, only combining data from both malls we obtained a slightly significant estimate, while using data from mall A and B individually the estimates are not statistically significant.
Statistical pooling of the studies including DES exposure generated a statistically significant estimate by the Mantel–Haenszel method, suggesting a doubling of the risk of cryptorchidism after in utero exposure to DES.
This 'strict' analysis resulted in a notable difference only for prostate cancer risk, which now showed a statistically significant estimate (OR 1.27; 95% CI 1.03, 1.54; P = 0.02) (Supplementary Material, Table S1).
Finding a statistically significant estimate of the coefficient of the interaction term would suggest the existence of an age effect, which would violate the assumption unless the age effect is the same for both genders.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com