1,2,5,7,8,9,10 current every day smoker vs. current some day smoker. 1.32. 1.06. 1.63 current every day smoker vs .... 10 minutes vs. 15 minutes. 0.11. 0.05. 0.26.
Supplement Tables: Table S1. Associations between variables and no-show in logistic regression model. Predictor Lead Time more than 1 month vs. next day more than 1 month vs. same day more than 1 month vs. within 2 weeks more than 1 month vs. btw 2 weeks and 1 month next day vs. same day next day vs. within two weeks next day vs. btw 2 weeks and 1 month same day vs. within two weeks same day vs. btw 2 weeks and 1 month within two weeks vs. btw 2 weeks and 1 month Prior No-show Rate
Age Group adult vs. child adult vs. senior child vs. senior Insurance Commercial vs. Medicaid Commercial vs. Self Pay Marketplace vs. Medicaid Marketplace vs. Self Pay Medicaid vs. Medicare Medicaid vs. Self Pay Medicare vs. Self Pay Tobacco use current every day smoker vs. current some day smoker current every day smoker vs former smoker current every day smoker vs never smoker current some day smoker vs former smoker current some day smoker vs never smoker former smoker vs never smoker Days since last Appt. between 1 and 2 weeks vs. between 6 months and a year between 1 and 2 weeks vs. more than a year between 1 and 2 weeks vs. new patient between 1 and 3 months vs. between 6 months and a year between 1 and 3 months vs. more than a year between 1 and 3 months vs. new patient between 2 weeks and 1 month vs. between 6 months and a year between 2 weeks and 1 month vs. more than a year between 2 weeks and 1 month vs. new patient between 3 and 6 months vs. between 6 months and a year between 3 and 6 months vs. more than a year between 3 and 6 months vs. new patient between 6 months and a year vs. more than a year between 6 months and a year vs. within a week more than a year vs. new patient more than a year vs. within a week Cell phone ownership
Rank
Odds Ratio
99% Confidence Intervals
1
2
2
All clinics 2.43 7.12 1.70 1.20 2.93 0.70 0.49 0.24 0.17 0.71 4.86
2.18 6.46 1.59 1.11 2.59 0.63 0.44 0.22 0.15 0.66 4.40
2.70 7.84 1.82 1.29 3.32 0.78 0.55 0.26 0.19 0.76 5.38
1.56 3.65 2.34
1.48 2.92 1.87
1.64 4.57 2.92
0.55 0.37 0.49 0.33 1.60 0.67 0.42
0.50 0.33 0.32 0.21 1.40 0.63 0.37
0.60 0.41 0.76 0.51 1.82 0.72 0.49
1.32 1.69 1.95 1.28 1.48 1.16
1.06 1.49 1.80 1.02 1.20 1.03
1.63 1.91 2.12 1.61 1.83 1.30
1.45 2.18 1.41 1.51
1.17 1.78 1.14 1.35
1.78 2.67 1.73 1.68
2.27 1.46 1.59
2.07 1.32 1.37
2.50 1.63 1.84
2.39 1.54 1.36
2.08 1.33 1.23
2.75 1.79 1.51
2.06 1.32 1.51 0.79 0.64 0.53
1.88 1.19 1.40 0.65 0.60 0.43
2.25 1.47 1.63 0.97 0.69 0.64
3
All clinics except Clinic2
All clinics except Clinic6
1,2,3,4,8,9,10
3
1,2,5,7,8,9,10
4
4
Clinics Number
1,2,3,7,8,9
1,3,4,5,8,9
No vs. Yes Visit Type Acute care vs. Adult Routine/Follow up Acute care vs. Behavioral Health Acute care vs. Podiatry Acute care vs. Pediatric Acute care vs. Pregnant Acute care vs. Women Adult Routine/Follow up vs. Behavioral Health Adult Routine/Follow vs. Podiatry Adult Routine/Follow vs. Pediatric Adult Routine/Follow vs. Women Behavioral Health vs. Pediatric Behavioral Health vs. Pregnant Behavioral Health vs. Women Podiatry vs. Pediatric Podiatry vs. Pregnant Podiatry vs. Women Pediatric vs. Pregnant Pediatric vs. Women Pregnant vs. Women Season Fall vs. Spring Fall vs. Summer Fall vs. Winter Spring vs. Summer Spring vs. Winter Summer vs. Winter Using Patient Portal No vs. Yes Employment Status Employed full-time vs. Employed part-time Employed full-time vs .Not employed Employed full-time vs. Retired Employed full-time vs. Unknown Employed part-time vs. Retired Employed part-time vs. Self-employed Employed part-time vs. Unknown Not employed vs. Retired Not employed vs. Self-employed Not employed vs. Unknown Retired vs. Self-employed Retired vs. Unknown Self-employed vs. Unknown Race Asian vs. Black Asian vs. Multiple Races Asian vs. White Black vs. Multiple Races Black vs. Native Hawaiian and other Pacific Islander Black vs. White Multiple Races vs. Native Hawaiian and other Pacific Islander Patient's PCP? No vs. Yes Duration 1 hour vs. 10 minutes 1 hour vs. 15 minutes 1 hour vs. 20 minutes 1 hour vs. 30 minutes 1 hour vs. 45 minutes
1.61
1.52
1.71
5
1,4,7,8,10 0.305 0.18 0.222 0.439 0.3 0.343 0.589 0.728 1.437 1.123 2.439 1.669 1.905 1.976 1.351 1.543 0.684 0.781 1.142
0.28 0.155 0.175 0.405 0.265 0.31 0.512 0.574 1.344 1.027 2.129 1.414 1.644 1.564 1.05 1.213 0.612 0.72 1.008
0.333 0.208 0.282 0.476 0.34 0.378 0.678 0.921 1.538 1.227 2.795 1.969 2.208 2.496 1.739 1.963 0.764 0.848 1.294
5
1,2,7,8,10 1.13 0.90 1.22 0.80 1.08 1.36
1.05 0.83 1.14 0.74 1.02 1.26
1.22 0.98 1.31 0.86 1.15 1.47
1.41
1.32
1.51
0.76 0.80 3.05 0.36 3.99 1.78 0.47 3.81 1.70 0.45 0.45 0.12 0.27
0.67 0.74 2.08 0.25 2.70 1.13 0.32 2.62 1.09 0.31 0.25 0.07 0.15
0.87 0.87 4.47 0.53 5.89 2.81 0.70 5.54 2.64 0.65 0.80 0.20 0.47
0.39 0.51 0.53 1.29 1.82 1.35 1.41
0.33 0.41 0.44 1.12 1.35 1.28 1.02
0.47 0.63 0.63 1.49 2.45 1.43 1.95
1.30
1.21
1.40
20.39 2.32 1.99 1.44 0.63
8.61 1.77 1.51 1.10 0.45
48.32 3.03 2.61 1.89 0.90
6
1,2,4,6
6
1,2,7,8
7
1,4,7
8
3,4
8
3,5
10 minutes vs. 15 minutes 10 minutes vs. 20 minutes 10 minutes vs. 30 minutes 10 minutes vs. 45 minutes 15 minutes vs. 20 minutes 15 minutes vs. 30 minutes 15 minutes vs. 45 minutes 20 minutes vs. 30 minutes 20 minutes vs. 45 minutes 30 minutes vs. 45 minutes Age x Gender Interaction Adult Female vs. Adult Male Adult Female vs. Child Adult Female vs. Senior Adult Male vs. Child Adult Male vs. Senior Child vs. Senior Marital Status Divorced vs. Legally Separated Divorced vs. Married Divorced vs. Widowed Legally Separated vs. Married Legally Separated vs. Partner Legally Separated vs. Single Legally Separated vs. Widowed Married vs. Single Single vs. Widowed Email availability No vs. Yes Translator Needed No vs. Yes Ethnicity Hispanic or Latino vs. Not Hispanic or Latino Hispanic or Latino vs. Unspecified Not Hispanic or Latino vs. Unspecified
Table S2. Multilayer Perceptron Weights Variables Lead-time Provider Specialty Race Employment Status Days Since Last Appt. Prior No-show Rate Cell phone Ownership Tobacco Use Marital Status Gender New Patient Translator Needed Appointment time Insurance Email Availability Using patient portal Weekday Scheduled with PCP Season Age Ethnicity Annual Income Visit Type Appointment Duration
Multilayer Perceptron Weights 0.6253 0.4124 0.3182 0.2232 0.2143 0.2022 0.2009 0.1984 0.1690 0.1239 0.1067 0.0815 0.0712 0.0668 0.0652 0.0564 0.0417 0.0391 0.0305 0.0262 0.0189 0.0180 0.0179 0.0111
0.11 0.10 0.07 0.03 0.86 0.62 0.27 0.73 0.32 0.44
0.05 0.04 0.03 0.01 0.80 0.58 0.22 0.67 0.25 0.35
0.26 0.22 0.16 0.07 0.92 0.66 0.34 0.79 0.40 0.55
1.11 1.60 3.74 1.44 3.36 2.34
1.02 1.51 2.99 1.32 2.66 1.87
1.21 1.69 4.67 1.57 4.25 2.92
0.73 1.30 1.48 1.78 1.79 1.28 2.03 0.72 1.58
0.57 1.10 1.08 1.44 1.06 1.05 1.44 0.66 1.20
0.93 1.53 2.01 2.21 3.03 1.56 2.84 0.78 2.09
1.22
1.15
1.23
2.06
1.88
2.54
0.57 0.41 0.73
0.53 0.37 0.66
0.61 0.46 0.80
8
2,7
8
2,7
9
5
9
7
9
8
Table S3. Naïve Bayes Classifier Variables Ranking Variables Prior No-show Rate Age Group Visit Type Lead Time Days Since Last Appt. Duration Insurance Cell phone Ownership Tobacco Use Ethnicity Translator Needed Specialty Web Enabled Facility Race Sex Continuity Email Available Season Marital Status AM_PM Income Employment Status Weekday New Patient
Percentage of Contribution to no-show 100.00 71.27 67.75 66.78 55.22 46.70 46.19 39.53 39.43 39.14 34.55 30.13 26.68 24.88 24.06 20.74 20.40 18.10 16.69 14.10 7.04 6.77 6.24 3.10 0.00
