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Table 2 Chat characteristics

From: Language complexity of patient-physician chat communication on hypertension control: results of the cluster-randomised PIA study

 

Patients with at least one chat (N = 363)

Patients with at least one chat and follow-up completed (N = 246)

Messages

 Messages sent, n (%)

4231 (100%)

2800 (100%)

 Patients who sent at least 1 message, n (%)

234 (64.5%)

158 (64.2%)

 Patients who received at least 1 message from their practice, n (%)

358 (98.6%)

244 (99.2%)

 Patients who received at least 1 non-automated message from their practice, n (%)

280 (77.1%)

187 (76.0%)

Practice to patient

2882 (68.1%)

1831 (65.2%)

 Not automatically generated, n (%)

1941 (45.9%)

1179 (42.1%)

 Automatically generated, n (%)

941 (22.2%)

652 (23.3%)

 New medication plan, n (%)

806 (19.0%)

550 (19.6%)

 Prescription ready for pick-up, n (%)

135 (3.2%)

102 (3.6%)

Patient to practice

1349 (31.9%)

969 (34.6%)

Words used in chats

 Unique words used overall

2020

1723

 Salutations

404 (28.2%)

253 (27.3%)

 Salutations per patient, mean (SD)

2.4 (9.2)

2.0 (3.5)

 Goodbye phrases

369 (23.4%)

257 (25.2%)

 Goodbye phrases per patient, mean (SD)

1.7 (2.6)

1.5 (2.5)

Practice to patient

Words used in chats

  Unique words used overall

2810

2170

  Salutations

1029 (71.8%)

673 (72.7)

  Salutations per patient, mean (SD)

2.8 (5.9)

2.6 (5.6)

  Goodbye phrases

1210 (76.6%)

763 (74.8%)

  Goodbye phrases per patient, mean (SD)

3.3 (6.6)

3.0 (6.2)

Frequencies and lengths

  Number of words practice to patient, median (IQR)

13.0 (24.0)

10.0 (20.0)

  Number of characters practice to patient, median (IQR)

64.0 (128.0)

60.0 (128.0)

  Number of words patient to practice, median (IQR)

16 (23.0)

14.0 (19.0)

  Number of characters patient to practice, median (IQR)

79.0 (114.0)

75.0 (115.0)

  Duration of conversation (min 1 each) (days), median (IQR)

175.2 (148.4)

168.5 (151.7)

  Time period between messages by practice (days), median (IQR)

8.2 (18.1)

9.2 (18.3)

  Time period between messages by patient (days), median (IQR)

2.4 (19.0)

2.2 (17.7)

  Number of unique words used per patient, median (IQR)

51.0 (110.0)

50.5 (106.25)

  Number of unique words used per message, median (IQR)

12.0 (19.0)

11.0 (19.0)

Subjective well-being and time interval of patients chats to practices

  Subjective well-being (indicated by one of 5 types of smileys when reporting blood pressure), median (IQR)

4.0 (1.0)

4.0 (1.0)