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Table 3 PRIME cohort sample sizes and attrition over time, by disorder and by district

From: Impact of district mental health care plans on symptom severity and functioning of patients with priority mental health conditions: the Programme for Improving Mental Health Care (PRIME) cohort protocol

  Depression AUD Psychosis Epilepsy
Treatment Comparison Treatment Comparison Patient Caregivera Patient Caregiver
Ethiopia
 Enrolled 92 39 51 300 300 304 304
 Attrition at midline 10 (10.9%) 0 (0%) 1 (2.0%)   53 (17.7%) 53 (17.7%) 149 (49.0%) 149 (49.0%)
 Attrition at endline 13 (14.1%) 2 (5.1%) 4 (7.8%) 55 (18.3%) 55 (18.3%) 50 (16.4%) 50 (16.4%)
India
 Enrolled 281 158 218 147 22 21b
 Attrition at midline 39 (13.9%) 15 (9.6%) 27 (12.3%) 19 (12.9%) 4 (19.0%) 0 (0%)   
 Attrition at endline 56 (19.9%) 19 (12.1%) 43 (19.6%) 29 (19.7%) 4 (19.0%) 1 (5.0%)
Nepal
 Enrolled 137 72 175 57 95 42
 Attrition at midline 27 (19.7%) 23 (31.9%) 40 (22.9%) 29 (50.9%)   8 (8.4%) 2 (4.8%)  
 Attrition at endline 26 (19.0%) 17 (23.6%) 33 (18.8%) 22 (39.3%) 9 (9.5%) 4 (9.5%)
South Africa
 Enrolled 217 236 47 12
 Attrition at midline 24 (11.1%) 27 (11.4%)    34 (72.3%) 8 (66.7%)   
 Attrition at endline 40 (18.4%) 41 (17.3%)   5 (10.6%) 2 (11.1%)
Uganda
 Enrolled 64 51 50 181 171
 Attrition at midline 3 (4.7%)     4 (7.8%) 6 (12.0%) 8 (4.4%) 8 (4.7%)
 Attrition at endline 7 (10.9%) 8 (15.7%) 12 (24.0%) 19 (10.5%) 24 (14.0%)
  1. aCaregivers recruited together with patient, unless otherwise stated
  2. bEither patient or caregiver recruited