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173 protocols using epidata version 3

1

Predictors of Diabetic Ketoacidosis in Children

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The collected data were coded and entered into Epi data version 3.1 and cleaned and transferred to Stata version 14 for further analysis. The incidence rate of DKA was estimated per 100 DM children per month. The Kaplan Meier estimator was applied to estimate, the median time to develop DKA during the treatment period and log-rank tests, to compare survival curves. The predictors of DKA were analyzed by the Cox proportional hazard model with hazard ratio, 95% CI. The statistical test was considered significant at a P value of less than 0.05. Covariates and proportional hazard assumptions were checked using a log-log plot and goodness of fit by Schoenfeld residual test.
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2

Factors Associated with Consistent Condom Use

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Epi Data version 3.1 and STATA version 14 statistical package softwares were used for data entry and analysis, respectively. Data were coded according to the nature of the variables. The descriptive statistics were used to compute the frequency distribution of categorical variables and means and standard deviations (SD) for continuous variables. A multivariable logistic regression model was constructed to identify an independent association between consistent condom use and associated factors and to control the potential confounding variables. The Hosmer and Lemeshow test was applied to test the logistic regression model fitting. In bivariate analysis, independent variables with P values less than or equal to 0.2 were recruited for the multivariate logistic regression model. In multivariable regression, variables with a P value of less than 0.05 were considered statistically significant. Adjusted odds ratio (AOR) with 95% confidence Interval (CI) was computed to determine the direction and strength of the statistical association. Similarly, qualitative data were analyzed by theme based on the nature of the issues raised by the group members.
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3

Factors Influencing T3 Strategy Completion

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Data collected were checked by the PI for completeness before entry into Epi data version 3.1 and was exported to STATA version 15.1 for analysis. The results were presented in tables and graphs. The Chi-square test and binary logistic regression were used to determine the association between completion of T3 strategy and such variables as demographic factors and health service-related factors. Challenges associated with the implementation of the T3 strategy were also presented.
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4

Predictors of Noncommunicable Disease Outcomes

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The collected data were entered, coded, and recoded using Epi Data Version 3.1 and then exported to STATA version 14 for analysis. Descriptive statistics using frequency distribution, percentage, mean and standard deviation were computed to describe the study participants. Before fitting the model, chi-square assumption was checked. For each predictor variables bi-variable binary logistic regressions were fitted. Variables with p-value <0.25 in the bi-variable analysis were selected for multiple logistic regressions to examine their effects after adjusting for potential confounders. In the multivariable logistic regressions, predictor variables were presented with adjusted odds ratios (AORs) and 95% confidence intervals (CIs). In all analyses statistical significance were declared at p-value <0.05.
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5

Factors Influencing Orthognathic Surgery Outcomes

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EpiData version 3.1 and STATA version 14.2 were used for data entry analysis, respectively. Univariate analysis was performed based on frequency and percentage, and the results are presented as narratives, tables, and graphs. The rate of failure of OF repair was also calculated. The association between independent variables and OF repair failure was tested using binary logistic regression analysis. Variables that yielded p-values of less than 0.25 in the bivariate analysis were considered candidates for multivariable logistic regression analysis. Multicollinearity between the independent variables included in the model was checked using the variance inflation factor (VIF). The absence of multicollinearity between variables was confirmed at a VIF value of less than 10. The Hosmer–Lemeshow test was used to select the best-fitting model. Multivariable outputs were presented as adjusted odds ratios (AORs). Statistical significance was set at p < 0.05.
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6

Factors Associated with IDSR Practice

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After data collection, each questionnaire was checked for completeness and coded before entry into the software, then entered into Epidata version 3.1 and exported to STATA version 16.0, cleaning and analysis were done accordingly. Frequency, percentage, and descriptive summaries were computed for univariate variables. Binary logistic regression was carried out to identify factors associated with IDSR practice. The goodness of model fitness was checked by the Hosmer-Lemeshow test. Multi-collinearity tests were carried out to see the correlation between independent variables and checked by using the standard error and collinearity statistics (variance inflation factors >10 and standard error >2 were considered as suggestive of the existence of multi co-linearity). Variables with a p-value less than 0.25 in the bivariate binary logistic regression analysis were considered for further multivariate binary logistic regression analysis to control for possible confounding factors. In the multivariate binary logistic regression, the Odds ratio along with 95% CI was used to present the association, and statistical significance was declared at a p-value <0.05. The finding was described and presented using tables, charts, and graphs.
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7

Factors Associated with Wasting in Patients

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After the data were checked for its consistency and completeness, it was entered into EpiData version 3.1 exported to STATA version 14 for cleaning and analysis. Descriptive statistics like mean, median, proportions were carried out to summarize baseline socio-demographic and clinical characteristics. A p-value of less than 0.2 was used to select candidate variables for multivariable analysis. A binary logistic regression model was fitted to identify factors associated with wasting. Adjusted odds ratio with 95% confidence interval (CI) was calculated and variables with a p-value less than 0.05 in the multi-variable analysis were considered to declare factors associated with wasting. We used the Kaplan-Meier survival estimation curve and log-rank tests to compare the difference in LOS as well as mortality between normal and wasted patients and among normal, moderately wasted, and severely wasted patients.
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8

Competing Risk Analysis of LTFU

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The Data was entered using Epi-data version 3.1 and exported to Stata 14 and R 3.5.3 software for analysis. Descriptive statistics including proportions, median, tables, and charts was done to describe the characteristics of the study participants. Nonparametric estimation of cumulative incidence function (CIF) was done both graphically and using Gray’s test. After fitting the model, the proportional sub distribution hazard assumption was also checked by using the plot of log (- log (1-CIF)) versus the log of time to failure for each covariate, by interacting each covariate with time and using Schoenfeld residual test. Bivariable competing regression analysis was fitted to identify factors associated with LTFU. Those variables with a p-value of <0.2 in the bivariable analysis were again fitted to the multivariable competing risk regression analysis. Both crude and adjusted sub distribution hazard ratio with the corresponding 95% Confidence Interval (CI) was calculated to show the strength of association. In multivariable analysis, variables with a P-value of <0.05 were considered statistically significant.
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9

Attitudes of Mental Health Providers Toward Tele-psychiatry

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Data were entered into Epi Data version 3.1 and exported to the Stata version 14 software for further analysis. Missing values, outliers, and other inconsistencies were avoided after organizing and exporting data into Stata version 14, and cleaning was done to avoid missing values, outliers, and other discrepancies. Frequency, sorting, and a list were used to clean up the data. Descriptive statistics, including frequencies, means, and proportions were computed and visualized using tables, graphs, and diagrams to describe the data.
To identify factors associated with the attitude of mental healthcare providers toward Tele-psychiatry services, ordinal logistic regression was a reasonable approach to use our data given that all the dependent variables are ordered categorically [33 (link)]. However, it’s founded that the proportional odds assumption was violated for all three categories of dependent variables in the preliminary analysis. Therefore, multinomial logistic regression analysis was utilized. Variables were declared statistically and significantly associated with dependent variables at p < 0.05. Moreover, the strength of association between factors and the dependent variables was determined using an Adjusted Odds Ratio (AOR) with a 95% confidence level.
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10

Factors Associated with Elevated Blood Sugar

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The survey data were entered into Epidata version 3.1 and analyzed by STATA 14 software. Descriptive statistics were used to describe the study population in relation to different variables, and it is presented using texts, graphs, and tables. The chi-square assumption was checked for all categorical independent variables. A binary logistic regression model was used to identify factors associated with elevated blood sugar. Both bi-variable and multivariable logistic regression models were carried out. Variables with a p-value of less than 0.2 in the bi-variable analysis were entered into the multivariable analysis. Both Crude Odds Ratio (COR) and AOR with a 95% confidence interval were estimated to show the strength of associations. Finally, p-value < 0.05 in the multivariable logistic regression analysis was used to declare a statistically significant association. Hosmer and Lemeshow goodness of fit test was used to check the goodness of fit of the model. All methods were performed in accordance with the relevant guidelines and regulations.
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