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رگرسیون خطی
Additionally, a multiple linear regression analysis was conducted with the independent variables included simultaneously (Table 5).
To test whether any gender differences between the HH and TH groups were significantly stronger in one of the groups, a series of linear regressions were conducted for all sub- scales of SDQ and SSRS, including age, group, gender, and the group*gender product as independent variables.
In a multiple linear regression analysis controlling for gender, vocabulary, social skills, and risk factors, the presence of hearing loss still remained a significant predictor of psychosocial problems, B = .35, β = .23, p = .002, 95% confidence interval (CI): 0.13, 0.57.
Hierarchical linear regression analyses predicting SDQ total problems scores in hard-of-hearing children (n = 35)
However, in linear regression as opposed to logistic regression, very few subjects per vari- able are necessary to achieve accurate estimation of regres- sion coefficients, and with minimal bias in adjusted R2 (Austin and Steyerberg, 2015).
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