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Table 3 Follow-up survey completion by child and parent demographic characteristics

From: Incentive delivery timing and follow-up survey completion in a prospective cohort study of injured children: a randomized experiment comparing prepaid and postpaid incentives

  Follow-up survey completed   
  No
(N = 137)
N (%)
Yes
(N = 283)
N (%)
Overall
(N = 420)
N (%)
P-value1
Age in years2 5.9 [2.2, 11.6] 7.8 [2.7, 11.7] 7.2 [2.6, 11.7] 0.47
Sex     0.31
 Male 81 (59.1) 184 (65.0) 265 (63.1)  
 Female 56 (40.9) 99 (35.0) 155 (36.9)  
Race     0.101
 American Indian or Alaska Native 1 (0.7) 1 (0.4) 2 (0.5)  
 Asian 2 (1.5) 5 (1.8) 7 (1.7)  
 Black or African American 40 (29.2) 54 (19.1) 94 (22.4)  
 White 76 (55.5) 196 (69.3) 272 (64.8)  
 More than one 13 (9.5) 23 (8.1) 36 (8.6)  
 Other 5 (3.6) 3 (1.1) 8 (1.9)  
 Unknown3 0 (0.0) 1 (0.4) 1 (0.2)  
Ethnicity     <.001
 Hispanic or Latino 29 (21.2) 18 (6.4) 47 (11.2)  
 Not Hispanic or Latino 108 (78.8) 263 (92.9) 371 (88.3)  
 Unknown3 0 (0.0) 2 (0.7) 2 (0.5)  
Parent preferred language     <.001
 English 123 (89.8) 282 (99.6) 405 (96.4)  
 Spanish 14 (10.2) 1 (0.4) 15 (3.6)  
Insurance     <.001
 Private/commercial 41 (29.9) 146 (51.6) 187 (44.5)  
 Medicaid/Medicare 87 (63.5) 107 (37.8) 194 (46.2)  
 Self-pay/no insurance 4 (2.9) 8 (2.8) 12 (2.9)  
 More than one/other 4 (2.9) 19 (6.7) 23 (5.5)  
 Unknown3 1 (0.7) 3 (1.1) 4 (1.0)  
Annual household income     <.001
 Less than $15,000 33 (24.1) 33 (11.7) 66 (15.7)  
 $15,000-$19,999 9 (6.6) 12 (4.2) 21 (5.0)  
 $20,000-$29,999 17 (12.4) 21 (7.4) 38 (9.0)  
 $30,000-$39,999 11 (8.0) 22 (7.8) 33 (7.9)  
 $40,000-$49,999 16 (11.7) 21 (7.4) 37 (8.8)  
 $50,000-$74,999 9 (6.6) 42 (14.8) 51 (12.1)  
 ≥ $75,000 27 (19.7) 115 (40.6) 142 (33.8)  
 Unknown3 15 (10.9) 17 (6.0) 32 (7.6)  
Household size     0.013
 2 7 (5.1) 12 (4.2) 19 (4.5)  
 3-4 61 (44.5) 168 (59.4) 229 (54.5)  
 5 or more 66 (48.2) 98 (34.6) 164 (39.0)  
 Unknown3 3 (2.2) 5 (1.8) 8 (1.9)  
Primary caregiver education     <.001
 High school/GED or less 72 (52.6) 78 (27.6) 150 (35.7)  
 Associates/vocational degree/some college 32 (23.4) 79 (27.9) 111 (26.4)  
 Bachelor’s degree 14 (10.2) 67 (23.7) 81 (19.3)  
 Graduate degree 12 (8.8) 49 (17.3) 61 (14.5)  
 Unknown3 7 (5.1) 10 (3.5) 17 (4.0)  
  1. 1P-value reported from logistic regression predicting follow-up completion with variable and study site as predictors
  2. 2Summarized as median [25th percentile, 75th percentile]
  3. 3Not included in the p-value calculation