Exact(1)
Therefore we aggregated the two sub-cohorts for the descriptive statistics, but included the membership variable in the regression analysis.
Similar(59)
The estimated coefficients of the union membership variable for the pooled OLS specifications depicted in Table 4 are broadly similar to those shown in Table 2.
The coefficient of the group membership variable will provide an estimate of the effect of physical activity.
From the fuzzy membership variable Stddev, high range is considered.
Examination of the empirical DFactor mean score against the latent class membership variable revealed that the empirical cut-offs for the frailty classes were 0.25 and 0.75.
Binary logistic regression was conducted to assess whether the DFactor classes at Wave 1 significantly predicted whether or not a subject was dead by Wave 2. In the model, the latent class membership variable was entered as a categorical predictor, using the non-frail class as reference category, and simple contrasts were requested.
The Chi-squared for trend was used to test the association between the latent class membership variable and dichotomous variables; to control for the effects of age, ordinal regression (with latent class as dependent variable) was used.
The final cluster membership variable was saved to the dataset.
The two-tailed Spearman's rank correlation (rho) coefficient was used to correlate the (ordinal) latent class membership variable against continuous and ordinal variables; the SPSS partial correlations procedure was used to control for the effects of age in these correlations.
All the membership function variables are trapezium.
Table 2 Result of the logit model of factors determining cooperative membership Variables Coef.
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