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Table 3 Multivariable negative binomial regression model for individually nominated contacts

From: Comparison of three methods for ascertainment of contact information relevant to respiratory pathogen transmission in encounter networks

Variable Coefficient Standard Error P value
PDA (ref paper) -0.11 0.057 0.057
Pre-entry questionnaire (ref paper) -0.55 0.055 <0.001
Friday (ref Wed) -0.06 0.062 0.318
Sunday (ref Wed) -0.44 0.084 <0.001
Survey day 2 (ref 1) -0.07 0.064 0.246
Survey day 3 (ref 1) -0.23 0.073 0.001
Household size (trend) 0.13 0.037 <0.001
Presence of child in the household 0.16 0.086 0.064
  1. Standard error accounts for clustering by subject. Negative binomial overdispersion parameter (mean, 95% CIs): α = 0.31 (0.24, 0.39).