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. 2021 Jan 25;2020:717–726.

Table 2.

Zero-inflated negative binomial model for predicting number of SAEs

Part 1: logistic part for excessive zero (ie., having no SAE)
Parameter Odds Ratio (OR) 95% Confidence Interval p-value
Age at first donepezil 0.972 (0.929, 1.017) 0.2181
Male vs Female 1.739 (0.711, 4.255) 0.2256
Race/Ethnicity
 Hispanic vs NHW 0.204 (0.079, 0.531) 0.0011
 NHB vs NHW 0.659 (0.232, 1.867) 0.4321
Number of donepezil prescription 0.027 (0.003, 0.231) 0.0010
Number of months on donepezil 0.966 (0.834, 1.119) 0.6448
Chronic conditions * (Only p < 0.05 are shown here)
 Anemia 0.268 (0.097, 0.74) 0.0110
 Ischemic Heart Disease 0.122 (0.029, 0.52) 0.0044
Part 2: negative binomial part
Parameter Estimate 95% Confidence Interval p-value
Age at first donepezil 0.998 (0.988, 1.007) 0.5995
Male vs Female 1.072 (0.867, 1.326) 0.5213
Race/Ethnicity
 Hispanic vs NHW 0.874 (0.699, 1.093) 0.2369
 NHB vs NHW 1.285 (1.042, 1.584) 0.0190
Number of donepezil prescription 1.104 (1.071, 1.139) <.0001
Number of months on donepezil 1.023 (1.017, 1.03) <.0001
Chronic conditions * (Only p < 0.05 are shown here)
 Chronic obstructive pulmonary disease (COPD) 1.397 (1.134, 1.719) 0.0016
 Hyperlipidemia 0.756 (0.624, 0.916) 0.0042
 Hypertension 1.517 (1.202, 1.914) 0.0004
 Anxiety disorder 1.368 (1.115, 1.679) 0.0027